1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

FEATURES

5 V supply voltage

Gain controlled wide band VIF-amplifier (AC-coupled)

True synchronous demodulation with active carrier
regeneration (very linear demodulation, good
intermodulation figures, reduced harmonics,
excellent pulse response)

Robustness for over-modulation better than 105% due
to gated phase detector at L/L accent standard

VCO frequency switchable between L and L accent
(alignment external) picture carrier frequency

Separate video amplifier for sound trap buffering with
high video bandwidth

VIF-AGC detector for gain control, operating as peak
sync detector for B/G and peak white detector for L
(optional external AGC); signal controlled reaction time
for L

Tuner AGC with adjustable takeover point (TOP)

AFC detector without extra reference circuit

AC-coupled limiter amplifier for sound intercarrier signal

Two alignment-free FM-PLL demodulators with
high linearity

SIF input for single reference QSS mode (PLL
controlled); SIF AGC detector for gain controlled SIF
amplifier; single reference QSS mixer able to operate in
high performance single reference QSS mode

AM demodulator without extra reference circuit

Stabilizer circuit for ripple rejection and to achieve
constant output signals

ESD protection for all pins.

GENERAL DESCRIPTION

The TDA9814T is an integrated circuit for multistandard
vision IF signal processing and sound AM and dual FM
demodulation, with single reference QSS-IF in TV and
VCR sets.

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA9814T

SO28

plastic small outline package; 28 leads; body width 7.5 mm

SOT136-1

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

supply voltage

4.5

5.5

supply current

109

125

i VIF(rms)

vision IF input signal voltage
sensitivity (RMS value)

1 dB video at output

100

o CVBS(p-p)

CVBS output signal voltage
(peak-to-peak value)

1.7

2.0

2.3

3 dB video bandwidth on pin 8

B/G and L standard; C

20 pF;

1 k

; AC load

MHz

S/N (W)

weighted signal-to-noise ratio for
video

1.1

intermodulation attenuation at `blue'

f = 1.1 MHz

3.3

intermodulation attenuation at `blue'

f = 3.3 MHz

H(sup)

suppression of harmonics in video
signal

i SIF(rms)

sound IF input signal voltage
sensitivity (RMS value)

3 dB at intercarrier output

o(rms)

audio output signal voltage for FM
(RMS value)

B/G standard; 54% modulation

0.5

audio output signal voltage for AM
(RMS value)

L standard; 54% modulation

0.5

THD

total harmonic distortion

54% modulation

0.15

0.5

1.0

S/N (W)

weighted signal-to-noise ratio

54% modulation

1998

Feb

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF

and dual FM-PLL/AM demodulator

TDA9814T

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BLOCK DIAGRAM

ook, full pagewidth

SINGLE REFERENCE

MIXER AND

AM DEMODULATOR

VCO TWD

AFC DETECTOR

TUNER AND VIF-AGC

FPLL

VIDEO DEMODULATOR

AND AMPLIFIER

SIF

AMPLIFIER

SIF-AGC

INTERNAL VOLTAGE

STABILIZER

FM DETECTOR (PLL)

AF AMPLIFIER

VIF AMPLIFIER

SIF

VIF

TDA9814T

5 V

1/2

CSAGC

CVAGC

standard

switch

5.5

5.74

SIF

AF2

FM DETECTOR (PLL)

AF AMPLIFIER

AF1

VIDEO

BUFFER

Vi(vid)

CVBS

2 V (p-p)

video

1 V (p-p)

AFC

2 x f PC

tuner

AGC

loop
filter

TOP

CBL

MED858 - 3

L/L accent

switch

Fig.1 Block diagram.

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

PINNING

SYMBOL

PIN

DESCRIPTION

i VIF1

VIF differential input signal voltage 1

i VIF2

VIF differential input signal voltage 2

black level detector

TADJ

tuner AGC takeover adjust (TOP)

PLL

PLL loop filter

SAGC

SIF AGC capacitor

STD

standard switch

o CVBS

CVBS output signal voltage

LSWI

L/L accent switch

o AF1

audio voltage frequency output 1

o AF2

audio voltage frequency output 2

DEC2

decoupling capacitor 2

DEC1

decoupling capacitor 1

i FM2

sound intercarrier input voltage 2

i FM1

sound intercarrier input voltage 1

TAGC

tuner AGC output

o QSS

single reference QSS output voltage

o(vid)

composite video output voltage

i(vid)

video buffer input voltage

AFC

AFC output

VCO1

VCO1 reference circuit for 2f

VCO2

VCO2 reference circuit for 2f

ref

reference capacitor

GND

ground

VAGC

VIF-AGC capacitor

supply voltage

i SIF1

SIF differential input signal voltage 1

i SIF2

SIF differential input signal voltage 2

Fig.2 Pin configuration.

handbook, halfpage

TDA9814T

MED859

TADJ

STD

LSWI

Vi FM2

GND

VCO2

VCO1

AFC

TAGC

o CVBS

SAGC

PLL

i VIF2

i VIF1

i SIF1

i SIF2

VAGC

ref

i FM1

o QSS

o(vid)

i(vid)

CDEC1

CDEC2

Vo AF2

Vo AF1

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

FUNCTIONAL DESCRIPTION

The integrated circuit comprises the functional blocks as
shown in Fig.1:

Vision IF amplifier

Tuner and VIF-AGC

Frequency Phase Locked Loop detector (FPLL)

VCO, Travelling Wave Divider (TWD) and AFC

Video demodulator and amplifier

Video buffer

SIF amplifier and AGC

Single reference QSS mixer

AM demodulator

FM-PLL demodulator

Internal voltage stabilizer and

-reference.

Vision IF amplifier

The vision IF amplifier consists of three AC-coupled
differential amplifier stages. Each differential stage
comprises a feedback network controlled by emitter
degeneration.

Tuner and VIF-AGC

The AGC capacitor voltage is transferred to an internal IF
control signal, and is fed to the tuner AGC to generate the
tuner AGC output current (open-collector output). The
tuner AGC takeover point can be adjusted. This allows the
tuner and the SAW filter to be matched to achieve the
optimum IF input level.

The AGC detector charges/discharges the AGC capacitor
to the required voltage for setting of VIF and tuner gain in
order to keep the video signal at a constant level.
Therefore for negative video modulation the sync level and
for positive video modulation the peak white level of the
video signal is detected. In order to reduce the reaction
time for positive modulation, where a very large time
constant is needed, an additional level detector increases
the discharging current of the AGC capacitor (fast mode)
in the event of a decreasing VIF amplitude step. The
additional level information is given by the black level
detector voltage.

Frequency Phase Locked Loop detector (FPLL)

The VIF-amplifier output signal is fed into a frequency
detector and into a phase detector via a limiting amplifier.
During acquisition the frequency detector produces a DC
current proportional to the frequency difference between
the input and the VCO signal. After frequency lock-in the
phase detector produces a DC current proportional to the
phase difference between the VCO and the input signal.
The DC current of either frequency detector or phase
detector is converted into a DC voltage via the loop filter,
which controls the VCO frequency. In the event of positive
modulated signals the phase detector is gated by
composite sync in order to avoid signal distortion for
overmodulated VIF signals.

VCO, Travelling Wave Divider (TWD) and AFC

The VCO operates with a resonance circuit (with L and C
in parallel) at double the PC frequency. The VCO is
controlled by two integrated variable capacitors. The
control voltage required to tune the VCO from its
free-running frequency to actually double the PC
frequency is generated by the frequency-phase detector
(FPLL) and fed via the loop filter to the first variable
capacitor. This control voltage is amplified and additionally
converted into a current which represents the AFC output
signal. The VCO centre frequency can be decreased
(required for L accent standard) by activating an additional
internal capacitor. This is achieved by using the L accent
switch. In this event the second variable capacitor can be
controlled by a variable resistor at the L accent switch for
setting the VCO centre frequency to the required L accent
value. At centre frequency the AFC output current is equal
to zero.

The oscillator signal is divided-by-two with a TWD which
generates two differential output signals with a 90 degree
phase difference independent of the frequency.

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

Video demodulator and amplifier

The video demodulator is realized by a multiplier which is
designed for low distortion and large bandwidth. The vision
IF input signal is multiplied with the `in phase' signal of the
travelling wave divider output. In the demodulator stage
the video signal polarity can be switched in accordance
with the TV standard.

The demodulator output signal is fed via an integrated
low-pass filter for attenuation of the carrier harmonics to
the video amplifier. The video amplifier is realized by an
operational amplifier with internal feedback and high
bandwidth. A low-pass filter is integrated to achieve an
attenuation of the carrier harmonics for B/G and
L standard. The standard dependent level shift in this
stage delivers the same sync level for positive and
negative modulation. The video output signal is 1 V (p-p)
for nominal vision IF modulation.

Video buffer

For an easy adaption of the sound traps an operational
amplifier with internal feedback is used in the event of B/G
and L standard. This amplifier is featured with a high
bandwidth and 7 dB gain. The input impedance is adapted
for operating in combination with ceramic sound traps. The
output stage delivers a nominal 2 V (p-p) positive video
signal. Noise clipping is provided.

SIF amplifier and AGC

The sound IF amplifier consists of two AC-coupled
differential amplifier stages. Each differential stage
comprises a controlled feedback network provided by
emitter degeneration.

The SIF AGC detector is related to the SIF input signals
(average level of AM or FM carriers) and controls the SIF
amplifier to provide a constant SIF signal to the AM
demodulator and single reference QSS mixer. The SIF
AGC reaction time is set to `slow' for nominal video
conditions. But with a decreasing VIF amplitude step the
SIF AGC is set to `fast' mode controlled by the VIF-AGC
detector. In FM mode this reaction time is also set to `fast'
controlled by the standard switch.

Single reference QSS mixer

The single reference QSS mixer is realized by a multiplier.
The SIF amplifier output signal is fed to the single
reference QSS mixer and converted to intercarrier
frequency by the regenerated picture carrier (VCO). The
mixer output signal is fed via a high-pass for attenuation of
the video signal components to the output pin 17. With this
system a high performance hi-fi stereo sound processing
can be achieved.

AM demodulator

The AM demodulator is realized by a multiplier. The
modulated SIF amplifier output signal is multiplied in
phase with the limited (AM is removed) SIF amplifier
output signal. The demodulator output signal is fed via an
integrated low-pass filter for attenuation of the carrier
harmonics to the AF amplifier.

FM-PLL demodulator

Each FM-PLL demodulator consists of a limiter, an
FM-PLL and an AF amplifier. The limiter provides the
amplification and limitation of the FM sound intercarrier
signal before demodulation. The result is high sensitivity
and AM suppression. The amplifier consists of 7 stages
which are internally AC-coupled in order to minimize the
DC offset and to save pins for DC decoupling.

The second limiter is extended with an additional level
detector consisting of a rectifier and a comparator. By
means of this the AF2 signal is set to mute and the
PLL VCO is switched off, if the intercarrier signal at pin 14
is below 1 mV (RMS) in order to avoid false identification
of a stereo decoder. Note that noise at pin 14 disables the
mute state (at low SIF input signal), but this will not lead to
false identification. This `auto-mute' function can be
disabled by connecting a 5.6 k

resistor from pin 14 to V

(see Fig.13).

Furthermore the AF output signals can be muted by
connecting a resistor between the limiter inputs pin 14 or
pin 15 and ground.

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

The FM-PLL consists of an integrated relaxation oscillator,
an integrated loop filter and a phase detector. The
oscillator is locked to the FM intercarrier signal, output
from the limiter. As a result of locking, the oscillator
frequency tracks with the modulation of the input signal
and the oscillator control voltage is superimposed by the
AF voltage. The FM-PLL operates as an FM-demodulator.

The AF amplifier consists of two parts:

1. The AF preamplifier for FM sound is an operational

amplifier with internal feedback, high gain and high
common mode rejection. The AF voltage from the PLL
demodulator, by principle a small output signal, is
amplified by approximately 33 dB. The low-pass
characteristic of the amplifier reduces the harmonics of
the intercarrier signal at the sound output terminal. An
additional DC control circuit is implemented to keep
the DC level constant, independent of process spread.

2. The AF output amplifier (10 dB) provides the required

output level by a rail-to-rail output stage. This amplifier
makes use of an input selector for switching to AM/FM
or mute state, controlled by the standard switching
voltage and the mute switching voltage.

Internal voltage stabilizer and

-reference

The bandgap circuit internally generates a voltage of
approximately 1.25 V, independent of supply voltage and
temperature. A voltage regulator circuit, connected to this
voltage, produces a constant voltage of 3.6 V which is
used as an internal reference voltage.

For all audio output signals the constant reference voltage
cannot be used because large output signals are required.
Therefore these signals refer to half the supply voltage to
achieve a symmetrical headroom, especially for the
rail-to-rail output stage. For ripple and noise attenuation
the

voltage has to be filtered via a low-pass filter by

using an external capacitor together with an integrated
resistor (f

= 5 Hz). For a fast setting to

an internal

start-up circuit is added.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Notes

1. I

= 125 mA; T

amb

= 70

C; R

th(j-a)

= 80 K/W.

2. Machine model class B (L = 2.5

H).

THERMAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

supply voltage (pin 26)

maximum chip temperature
of 125

C; note 1

5.5

voltage at pins 1 to 7, 9 to 16, 19, 20 and
23 to 28

s(max)

maximum short-circuit time

tuner AGC output voltage

13.2

stg

storage temperature

+150

amb

operating ambient temperature

+70

electrostatic handling voltage

note 2

300

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

th(j-a)

thermal resistance from junction to ambient

in free air

K/W

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

CHARACTERISTICS
V

= 5 V; T

amb

= 25

C; see Table 1 for input frequencies and carrier ratios; input level V

i IF 1-2

= 10 mV RMS value

(sync-level for B/G, peak white level for L); video modulation DSB; residual carrier B/G: 10%; L = 3%; video signal in
accordance with

"CCIR, line 17"; measurements taken in Fig.13; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply (pin 26)

supply voltage

note 1

4.5

5.5

supply current

109

125

Vision IF amplifier (pins 1 and 2)

i VIF(rms)

input signal voltage
sensitivity (RMS value)

B/G standard;

1 dB video at output

100

i max(rms)

maximum input signal
voltage (RMS value)

B/G standard;
+1 dB video at output

120

200

o(int)

internal IF amplitude
difference between picture
and sound carrier

within AGC range;
B/G standard;

f = 5.5 MHz

0.7

IFcr

IF gain control range

see Fig.3

i(diff)

differential input resistance

note 2

1.7

2.2

2.7

i(diff)

differential input capacitance note 2

1.2

1.7

2.5

1,2

DC input voltage

note 2

3.4

True synchronous video demodulator; note 3

VCO(max)

maximum oscillator
frequency for carrier
regeneration

f = 2f

125

130

MHz

osc

oscillator drift as a function
of temperature

oscillator is free-running;
I

AFC

= 0; note 4

0 ref(rms)

oscillator voltage swing at
pins 21 and 22 (RMS value)

100

130

PC CR

picture carrier capture range

B/G and L standard

1.4

1.8

MHz

L accent standard;
f

= 33.9 MHz; R

= 5.6 k

0.9

1.2

MHz

PC(fr)

picture carrier frequency
(free-running) accuracy

L accent standard;
f

= 33.9 MHz; R

= 5.6 k

200

400

kHz

PC(alg)CR

L accent alignment
frequency range

AFC

= 0

400

600

kHz

acq

acquisition time

BL = 75 kHz; note 5

i VIF(rms)

VIF input signal voltage
sensitivity for PLL to be
locked (RMS value;
pins 1 and 2)

maximum IF gain; note 6

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

Composite video amplifier (pin 18; sound carrier off)

o video(p-p)

output signal voltage
(peak-to-peak value)

see Fig.8

0.88

1.0

1.12

V/S

ratio between video
(black-to-white) and
sync level

1.9

2.33

3.0

o(video)

output signal voltage
difference

difference between
B/G and L standard

18(sync)

sync voltage level

B/G and L standard

1.5

18(clu)

upper video clipping voltage
level

1.1 V

18(cll)

lower video clipping voltage
level

0.7

0.9

o,18

output resistance

note 2

int 18

internal DC bias current for
emitter-follower

2.2

3.0

18 max(sink)

maximum AC and DC output
sink current

1.6

18 max(source)

maximum AC and DC output
source current

2.9

1 dB video bandwidth

B/G and L standard;
C

50 pF; R

1 k

;

AC load

MHz

3 dB video bandwidth

B/G and L standard;
C

50 pF; R

1 k

;

AC load

MHz

H(sup)

suppression of video signal
harmonics

50 pF; R

1 k

;

AC load; note 7a

PSRR

power supply ripple rejection
at pin 18

video signal; grey level;
see Fig.11

B/G standard

L standard

CVBS buffer amplifier (only) and noise clipper (pins 8 and 19)

i,19

input resistance

note 2

2.6

3.3

4.0

i,19

input capacitance

note 2

1.4

3.0

I,19

DC input voltage

1.4

1.7

2.0

voltage gain

B/G and L standard; note 8

6.5

7.5

8(clu)

upper video clipping voltage
level

3.9

4.0

8(cll)

lower video clipping voltage
level

1.0

1.1

o,8

output resistance

note 2

int 8

DC internal bias current for
emitter-follower

2.0

2.5

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

o,8 max(sink)

maximum AC and DC output
sink current

1.4

o,10 max(source)

maximum AC and DC output
source current

2.4

1 dB video bandwidth

B/G and L standard;
C

20 pF; R

1 k

;

AC load

8.4

MHz

3 dB video bandwidth

B/G and L standard;
C

20 pF; R

1 k

;

AC load

MHz

Measurements from IF input to CVBS output (pin 8; 330

between pins 18 and 19, sound carrier off)

o CVBS(p-p)

CVBS output signal voltage
on pin 8
(peak-to-peak value)

note 8

1.7

2.0

2.3

o CVBS(sync)

sync voltage level

B/G standard

1.35

L standard

1.35

deviation of CVBS output
signal voltage at B/G

50 dB gain control

0.5

30 dB gain control

0.1

o(blB/G)

black level tilt in
B/G standard

gain variation; note 9

o(blL)

black level tilt for worst case
in L standard

picture carrier modulated by
test line (VITS) only; gain
variation; note 9

1.9

diff

differential gain

"CCIR, line 330"

diff

differential phase

"CCIR, line 330"

deg

1 dB video bandwidth

20 pF; R

1 k

;

AC load; B/G and L standard

MHz

3 dB video bandwidth

20 pF; R

1 k

;

AC load; B/G and L standard

MHz

S/N (W)

weighted signal-to-noise
ratio

see Fig.5 and note 10

S/N

unweighted signal-to-noise
ratio

see Fig.5 and note 10

1.1

intermodulation attenuation
at `blue'

f = 1.1 MHz;
see Fig.6 and note 11

intermodulation attenuation
at `yellow'

f = 1.1 MHz;
see Fig.6 and note 11

3.3

intermodulation attenuation
at `blue'

f = 3.3 MHz;
see Fig.6 and note 11

intermodulation attenuation
at `yellow'

f = 3.3 MHz;
see Fig.6 and note 11

pc(rms)

residual picture carrier
(RMS value)

fundamental wave and
harmonics;
B/G and L standard

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

unwanted(p-p)

robustness for unwanted
frequency deviation of
picture carrier
(peak-to-peak value)

L standard;
residual carrier: 3%;
serration pulses: 50%; note 2

kHz

robustness for modulator
imbalance

L standard;
residual carrier: 0%;
serration pulses: 50%; note 2

H(sup)

suppression of video signal
harmonics

note 7a

H(spur)

spurious elements

note 7b

PSRR

power supply ripple rejection
at pin 8

video signal; grey level;
see Fig.11

B/G standard

L standard

VIF-AGC detector (pin 25)

charging current

B/G and L standard; note 9

0.75

1.25

additional charging current

L standard in event of
missing VITS pulses and no
white video content

1.9

2.5

3.1

discharging current

B/G standard

normal mode L standard

225

300

375

fast mode L standard

resp

AGC response to an
increasing VIF step

B/G and L standard; note 12

0.05

0.1

ms/dB

AGC response to a
decreasing VIF step

B/G standard

2.2

3.5

ms/dB

fast mode L standard

1.1

1.8

ms/dB

normal mode L standard;
note 12

150

240

ms/dB

VIF amplitude step for
activating fast AGC mode

L standard

3(th)

threshold voltage level
additional charging current

see Fig.8

L standard

1.95

L standard; fast mode L

1.65

Tuner AGC (pin 16)

i(rms)

IF input signal voltage for
minimum starting point of
tuner takeover (RMS value)

input at pins 1 and 2;
R

TOP

= 22 k

;

= 0.4 mA

IF input signal voltage for
maximum starting point of
tuner takeover (RMS value)

input at pins 1 and 2;
R

TOP

= 0

;

= 0.4 mA

100

o,16

permissible output voltage

from external source; note 2

13.2

sat,16

saturation voltage

= 1.5 mA

0.2

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

TOP,16

variation of takeover point by
temperature

= 0.4 mA

0.03

0.07

dB/K

16(sink)

sink current

see Fig.3

no tuner gain reduction;
V

= 13.2 V

maximum tuner gain
reduction

1.5

2.6

IF slip by automatic gain
control

tuner gain current from
20 to 80%

AFC circuit (pin 20); see Fig.7 and note 13

control steepness

note 14

0.5

0.75

1.0

A/kHz

frequency variation by
temperature

AFC

= 0; note 5

o,20

output voltage upper limit

see Fig.7 without external
components

0.6 V

0.3

output voltage lower limit

0.3

0.6

o,20(source)

output source current

see Fig.7

150

200

250

o,20(sink)

output sink current

150

200

250

20(p-p)

residual video modulation
current (peak-to-peak value)

B/G and L standard

Sound IF amplifier (pins 27 and 28)

i SIF(rms)

input signal voltage
sensitivity (RMS value)

FM mode;

3 dB at

intercarrier output pin 17

AM mode;

3 dB at

AF output pin 10

100

i max(rms)

maximum input signal
voltage (RMS value)

FM mode; +1 dB at
intercarrier output pin 17

AM mode; +1 dB at
AF output pin 10

140

SIFcr

SIF gain control range

FM and AM mode; see Fig.4

i(diff)

differential input resistance

note 2

1.7

2.2

2.7

i(diff)

differential input capacitance note 2

1.2

1.7

2.5

I(27,28)

DC input voltage

3.4

ct(SIF,VIF)

crosstalk attenuation
between SIF and VIF input

between pins 1 and 2 and
pins 27 and 28; note 15

SIF-AGC detector (pin 6)

charging current

FM mode

AM mode

0.8

1.2

1.6

discharging current

FM mode

normal mode AM

1.4

1.8

fast mode AM

110

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

Single reference QSS intercarrier mixer (B/G standard; pin 17)

o(rms)

IF intercarrier level
(RMS value)

; sound carrier 2 off

100

125

3 dB intercarrier bandwidth

upper limit

7.5

MHz

SC(rms)

residual sound carrier
(RMS value)

fundamental wave and
harmonics

o,17

output resistance

note 2

O,17

DC output voltage

2.0

int 17

DC internal bias current for
emitter-follower

1.5

1.9

17 max(sink)

maximum AC and DC output
sink current

1.1

1.5

17 max(source)

maximum AC and DC output
source current

3.0

3.5

Limiter amplifier 1 (pin 15); note 16

i FM(rms)

input signal voltage for
lock-in (RMS value)

100

i FM(rms)

input signal voltage
(RMS value)

300

400

allowed input signal voltage
(RMS value)

200

i,15

input resistance

note 2

480

600

720

I,15

DC input voltage

2.8

Limiter amplifier 2 (pin 14); note 16

i FM(rms)

input signal voltage for
lock-in (RMS value)

100

i FM(rms)

input signal voltage
(RMS value)

PLL1 has to be in locked
mode; auto mute off

300

400

allowed input signal voltage
(RMS value)

200

input signal voltage for no
auto mute; PLL enabled
(RMS value)

0.7

1.5

HYS

hysteresis of level detector
for auto mute

i,14

input resistance

note 2

480

600

720

I,14

DC input voltage

2.0

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

--------------

40 dB

--------------

40 dB

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

FM-PLL demodulator

i FM(catch)

catching range of PLL

upper limit

7.0

MHz

lower limit

4.0

MHz

i FM(hold)

holding range of PLL

upper limit

8.0

MHz

lower limit

3.5

MHz

acq

acquisition time

FM operation (B/G standard; pins 10 and 11); notes 16 and 16a

o AF10,11(rms)

AF output signal voltage
(RMS value)

27 kHz (54% FM deviation);
see Fig.13 and note 17

= R

= 470

200

250

300

= R

= 0

400

500

600

o AF10,11(cl)

AF output clipping signal
voltage level

THD < 1.5%

1.3

1.4

frequency deviation

THD < 1.5%; note 17

kHz

temperature drift of AF
output signal voltage

dB/K

12,13

DC voltage at decoupling
capacitor

voltage dependent on VCO
frequency; note 18

1.2

3.0

10,11

output resistance

note 2

100

10,11

DC output voltage

tracked with supply voltage

10,11max(sink)

maximum AC and DC output
sink current

1.1

10,11max(source)

maximum AC and DC output
source current

1.1

3 dB video bandwidth

100

125

kHz

THD

total harmonic distortion

0.15

0.5

S/N (W)

weighted signal-to-noise
ratio

FM-PLL only; with 50

de-emphasis; 27 kHz
(54% FM deviation);
"CCIR 468-4"

SC(rms)

residual sound carrier
(RMS value)

fundamental wave and
harmonics

AM suppression

s de-emphasis;

AM: f = 1 kHz; m = 0.3 refer
to 27 kHz (54% FM
deviation)

10,11

mute attenuation of AF
signal

B/G and L standard

10,11

DC jump voltage of AF
output terminals for
switching AF output to mute
state and vice versa

FM-PLLs in lock mode;
note 19

150

PSRR

power supply ripple rejection
at pins 10 and 11

= R

= 0

;

see Figs 11 and 13

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

Single reference QSS AF performance for FM operation (B/G standard); (notes 20, 21 and 22; see Table 1)

S/N (W)

weighted signal-to-noise
ratio (SC

/SC

)

PC/SC

ratio at pins 1 and 2;

27 kHz (54% FM deviation);
"CCIR 468-4"

black picture

53/48

58/55

white picture

50/46

55/52

6 kHz sine wave;
black-to-white modulation

42/40

48/46

250 kHz square wave;
black-to-white modulation;
see note 2 in Fig.14

45/42

53/50

sound carrier
subharmonics;
f = 2.75 MHz

3 kHz

45/44

51/50

sound carrier
subharmonics;
f = 2.87 MHz

3 kHz

46/45

52/51

AM operation (L standard; pin 10); note 23

o AF10(rms)

AF output signal voltage
(RMS value)

54% modulation

400

500

600

THD

total harmonic distortion

54% modulation; see Fig.10

0.5

1.0

3 dB AF bandwidth

100

125

kHz

S/N (W)

weighted signal-to-noise
ratio

"CCIR 468-4"; see Fig.9

DC potential voltage

tracked with supply voltage

PSRR

power supply ripple rejection see Fig.11

Standard switch (pin 7); see also Table 2

DC potential voltage for
preferred settings

input voltage for negative
standard

B/G standard; note 24

2.8

input voltage for negative
standard

negative AGC off

1.3

2.3

input voltage for positive
standard

L standard

0.8

LOW-level input current

= 0 V

190

250

310

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

Notes to the characteristics

1. Values of video and sound parameters are decreased at V

= 4.5 V.

2. This parameter is not tested during production and is only given as application information for designing the

television receiver.

3. Loop bandwidth BL = 75 kHz (natural frequency f

= 11 kHz; damping factor d

3.5; calculated with sync level within

gain control range). Resonance circuit of VCO: Q

> 50; C

ext

= 8.2 pF

0.25 pF; C

int

8.5 pF (loop voltage

approximately 2.7 V).

4. Temperature coefficient of external LC-circuit is equal to zero.

5. V

i IF

= 10 mV RMS;

f = 1 MHz (VCO frequency offset related to picture carrier frequency); white picture

video modulation.

6. V

i IF

signal for nominal video signal.

7. Measurements taken with SAW filter G3962 (sound carrier suppression: 40 dB); loop bandwidth BL = 75 kHz:

a) Modulation VSB; sound carrier off; f

video

> 0.5 MHz.

b) Sound carrier on; SIF SAW filter L9453; f

video

= 10 kHz to 10 MHz.

8. The 7 dB buffer gain accounts for 1 dB loss in the sound trap. Buffer output signal is typical 2 V (p-p), in event of

CVBS video amplifier output typical 1 V (p-p). If no sound trap is applied a 330

resistor must be connected from

output to input (from pin 18 to pin 19).

9. The leakage current of the AGC capacitor should not exceed 1

A at B/G standard respectively 10 nA current at

L standard. Larger currents will increase the tilt.

10. S/N is the ratio of black-to-white amplitude to the black level noise voltage (RMS value, pin 8). B = 5 MHz weighted

in accordance with

"CCIR 567".

11. The intermodulation figures are defined:

;

1.1

value at 1.1 MHz referenced to black/white signal;

;

3.3

value at 3.3 MHz referenced to colour carrier.

12. Response speed valid for a VIF input level range of 200

V up to 70 mV.

13. To match the AFC output signal to different tuning systems a current source output is provided. The test circuit is

given in Fig.7. The AFC-steepness can be changed by the resistors at pin 20.

14. Depending on the ratio

C/C

of the LC resonant circuit of VCO (Q

> 50; see note 3; C

= C

int

+ C

ext

15. Source impedance: 2.3 k

in parallel to 12 pF (SAW filter); f

= 38.9 MHz.

L accent switch (pin 9)

DC potential voltage for
L standard VCO frequency
switching

L standard

note 24

2.8

L accent standard and
alignment

2.0

LOW-level input current

= 0 V

150

200

250

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1.1

at 4.4 MHz

at 1.1 MHz

--------------------------------------

3.6dB

log

3.3

at 4.4 MHz

at 3.3 MHz

--------------------------------------

log

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

16. Input level for second IF from an external generator with 50

source impedance. AC-coupled with 10 nF capacitor,

mod

= 1 kHz, 27 kHz (54% FM deviation) of audio references. A VIF/SIF input signal is not permitted. Pins 6 and 25

have to be connected to positive supply voltage for minimum IF gain. S/N and THD measurements are taken at 50

de-emphasis. The not tested FM-PLL has to be locked to an unmodulated carrier.

a) Second IF input level 10 mV RMS.

17. Measured with an FM deviation of 27 kHz the typical AF output signal is 500 mV RMS (R

= R

= 0

; see Fig.13).

By using R

= R

= 470

the AF output signal is attenuated by 6 dB (250 mV RMS) and adapted to the stereo

decoder family TDA9840. For handling an FM deviation of more than 53 kHz the AF output signal has to be reduced
by using R

and R

in order to avoid clipping (THD < 1.5%). For an FM deviation up to 100 kHz an attenuation of 6 dB

is recommended with R

= R

= 470

18. The leakage current of the decoupling capacitor (2.2

F) should not exceed 1

19. In the event of activated auto mute state the second FM-PLL oscillator is switched off, if the input signal at pin 14 is

missing or too weak (see Fig.13). In the event of switching the second FM-PLL oscillator on by the auto mute stage
an increased DC jump is the consequence. Note, that noise at pin 14 disables the mute state (at low SIF input signal),
but this will not lead to false identification of the used stereo decoder family TDA9840.

20. For all S/N measurements the used vision IF modulator has to meet the following specifications:

a) Incidental phase modulation for black-to-white jump less than 0.5 degrees.

b) QSS AF performance, measured with the television-demodulator AMF2 (audio output, weighted S/N ratio) better

than 60 dB (deviation 27 kHz) for 6 kHz sine wave black-to-white video modulation.

c) Picture-to-sound carrier ratio; PC/SC

= 13 dB (transmitter).

21. Measurements taken with SAW filter G3962 (Siemens) for vision IF (suppressed sound carrier) and G9350

(Siemens) for sound IF (suppressed picture carrier). Input level V

i SIF

= 10 mV RMS, 27 kHz (54% FM deviation).

22. The PC/SC ratio at pins 1 and 2 is calculated as the addition of TV transmitter PC/SC ratio and SAW filter PC/SC

ratio. This PC/SC ratio is necessary to achieve the S/N(W) values as noted. A different PC/SC ratio will change
these values.

23. Measurements taken with SAW filter L9453 (Siemens) for AM sound IF (suppressed picture carrier).

24. The input voltage has to be V

> 2.8 V or open-circuit.

Table 1

Input frequencies and carrier ratios

Table 2

Switch logic

DESCRIPTION

SYMBOL B/G STANDARD

L STANDARD

L ACCENT

STANDARD

UNIT

Picture carrier

38.9

33.9

MHz

Sound carrier

SC1

33.4

32.4

40.4

MHz

SC2

33.158

MHz

Picture-to-sound carrier ratio

STANDARD SWITCH (PIN 7)

SELECTED STANDARD

VIDEO

POLARITY

FM-PLL

AF-AMPLIFIER

2.8 V to V

B/G

negative

1.3 to 2.3 V

B/G, with external VIF-AGC

negative

0 to 0.8 V

positive

off

mute

1998

Feb

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF

and dual FM-PLL/AM demodulator

TDA9814T

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TEST AND APPLICA

TION INFORMA

TION

handbook, full pagewidth

Q 0 50

8.2 pF

2.2

Cref

GND

2.2

VIF

AGC

100

10
nF

22 k

AFC

video

output

QSS intercarrier

output

330

tuner

AGC

10
nF

SFT

5.5 MHz

560

SFT

5.74 MHz

560

5.6

10
nF

5.6

AF1

mute switch

1 : 1

SIF

input

1 : 1

VIF

input

TDA9814T

C BL

100

TOP

470

loop
filter

820 pF

220

(1)

39 pF

SIF

AGC

2.2

5 V

standard

switch

CVBS

AF/AM

L/L

accent

switch

AF1 output

de-emphasis

AF2 output

de-emphasis

10 nF

CAF1

(2)

CAF2

(2)

MED860

AF2 mute switch

5 V: auto mute off

open: auto mute on
ground: mute

5.6 k

5.6
k

Fig.13 Test circuit.

(1) Application for improved 250 kHz sound performance.

(2) See note 17 of Chapter "Characteristics".

1998

Feb

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF

and dual FM-PLL/AM demodulator

TDA9814T

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handbook, full pagewidth

Q 0 50

8.2 pF

2.2

Cref

GND

2.2

VIF

AGC

100

10
nF

22 k

AFC

video

output

QSS intercarrier

output

330

tuner

AGC

10
nF

SFT

5.5 MHz

560

SFT

5.74 MHz

560

5.6

10
nF

5.6

AF1

mute switch

input

TDA9814T

C BL

100

SAW

FILTER

G3962

SAW

FILTER

G9350

TOP

loop
filter

SIF

AGC

2.2

5 V

standard

switch

CVBS

L/L

accent

switch

de-emphasis

depending on

TV standard/stereo

decoder

CAF1

(3)

(1)

CAF2

(4)

(2)

(4)

MED866

AF2 mute switch

5 V: auto mute off

open: auto mute on
ground: mute

470

820 pF

220

(2)

39 pF

Fig.14 Application circuit.

(1) Depends on standard.

(2) Application for improved 250 kHz sound performance.

(3) Only required for external AGC mode.

(4) See note 17 of Chapter "Characteristics".

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

PACKAGE OUTLINE

UNIT

max.

(1)

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC

JEDEC

EIAJ

inches

2.65

0.30
0.10

2.45
2.25

0.49
0.36

0.32
0.23

18.1
17.7

7.6
7.4

1.27

10.65
10.00

1.1
1.0

0.9
0.4

8
0

0.25

0.1

DIMENSIONS (inch dimensions are derived from the original mm dimensions)

Note

1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.

1.1
0.4

SOT136-1

detail X

(A )

0.25

075E06

MS-013AE

pin 1 index

0.10

0.012
0.004

0.096
0.089

0.019
0.014

0.013
0.009

0.71
0.69

0.30
0.29

0.050

1.4

0.055

0.419
0.394

0.043
0.039

0.035
0.016

0.01

0.25

0.01

0.004

0.043
0.016

0.01

10 mm

scale

SO28: plastic small outline package; 28 leads; body width 7.5 mm

SOT136-1

95-01-24
97-05-22

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

SOLDERING

Introduction

There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.

This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our

"IC Package Databook" (order code 9398 652 90011).

Reflow soldering

Reflow soldering techniques are suitable for all SO
packages.

Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.

Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250

Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45

Wave soldering

Wave soldering techniques can be used for all SO
packages if the following conditions are observed:

A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.

The longitudinal axis of the package footprint must be
parallel to the solder flow.

The package footprint must incorporate solder thieves at
the downstream end.

During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.

Maximum permissible solder temperature is 260

C, and

maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150

C within

6 seconds. Typical dwell time is 4 seconds at 250

A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.

Repairing soldered joints

Fix the component by first soldering two diagonally-
opposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300

C. When

using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320

1998 Feb 09

Philips Semiconductors

Product specification

Multistandard VIF-PLL with QSS-IF
and dual FM-PLL/AM demodulator

TDA9814T

DEFINITIONS

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.

Data sheet status

Objective specification

This data sheet contains target or goal specifications for product development.

Preliminary specification

This data sheet contains preliminary data; supplementary data may be published later.

Product specification

This data sheet contains final product specifications.

Limiting values

Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.

Internet: http://www.semiconductors.philips.com

Philips Semiconductors a worldwide company

SCA57

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China/Hong Kong: 501 Hong Kong Industrial Technology Centre,
72 Tat Chee Avenue, Kowloon Tong, HONG KONG,
Tel. +852 2319 7888, Fax. +852 2319 7700

Colombia: see South America

Czech Republic: see Austria

Denmark: Prags Boulevard 80, PB 1919, DK-2300 COPENHAGEN S,
Tel. +45 32 88 2636, Fax. +45 31 57 0044

Finland: Sinikalliontie 3, FIN-02630 ESPOO,
Tel. +358 9 615800, Fax. +358 9 61580920

France: 51 Rue Carnot, BP317, 92156 SURESNES Cedex,
Tel. +33 1 40 99 6161, Fax. +33 1 40 99 6427

Germany: Hammerbrookstraße 69, D-20097 HAMBURG,
Tel. +49 40 23 53 60, Fax. +49 40 23 536 300

Greece: No. 15, 25th March Street, GR 17778 TAVROS/ATHENS,
Tel. +30 1 4894 339/239, Fax. +30 1 4814 240

Hungary: see Austria

India: Philips INDIA Ltd, Band Box Building, 2nd floor,
254-D, Dr. Annie Besant Road, Worli, MUMBAI 400 025,
Tel. +91 22 493 8541, Fax. +91 22 493 0966

Indonesia: see Singapore

Ireland: Newstead, Clonskeagh, DUBLIN 14,
Tel. +353 1 7640 000, Fax. +353 1 7640 200

Israel: RAPAC Electronics, 7 Kehilat Saloniki St, PO Box 18053,
TEL AVIV 61180, Tel. +972 3 645 0444, Fax. +972 3 649 1007

Italy: PHILIPS SEMICONDUCTORS, Piazza IV Novembre 3,
20124 MILANO, Tel. +39 2 6752 2531, Fax. +39 2 6752 2557

Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108,
Tel. +81 3 3740 5130, Fax. +81 3 3740 5077

Korea: Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL,
Tel. +82 2 709 1412, Fax. +82 2 709 1415

Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR,
Tel. +60 3 750 5214, Fax. +60 3 757 4880

Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905,
Tel. +9-5 800 234 7381

Middle East: see Italy

Printed in The Netherlands

545104/1200/04/pp36

Date of release: 1998 Feb 09

Document order number:

9397 750 03001

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