TDA7222A
TDA7222AD
3V AM/FM ONE-CHIP RADIO
February 1995
ADVANCE DATA
7222A-01.EPS
/
7222AD01.EPS
PIN CONNECTIONS
SHRINK DIP24
(Plastic Package)
ORDER CODE : TDA7222A
.
BUILT-IN FM F/E, AM/FM IF AND FM MPX
.
AM DETECTOR COIL AND IF COUPLING CA-
PACITOR ARE NOT NEEDED
.
COMPACT PACKAGE : 24-Pin Shrink
.
OPERATING SUPPLY VOLTAGE RANGE
V
CC (opr)
= 1.8 to 7.0V (T
A
= 25
o
C)
.
LED DRIVE CIRCUIT FOR TUNING INDICA-
TION
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
DESCRIPTION
TDA7222Aand TDA7222AD are AM/FM chip tuner
ICs, which are designed for portable radios and 3V
headphone radios.
SO28
(Plastic Micropackage)
ORDER CODE : TDA7222AD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
24
23
22
21
11
12
AM RF IN
FM RF OUT
V
FM OSC
AM OSC
DET OUT
MPX IN
LPF1
LPF2
VCO
L OUT
R OUT
FM RF IN
GND1
FM MIX
AM MIX
AGC
V
AM IF IN
FM IF IN
GND2
TUN LED
ST LED
QUAD
CC1
CC2
TDA7222A (SDIP24)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
24
23
22
21
11
12
25
13
14
28
27
26
FM RF IN
GND1
FM MIX
NOT CONNECTED
NOT CONNECTED
AM MIX
AGC
AM IF IN
FM IF IN
GND2
TUN LED
ST LED
QUAD
NOT CONNECTED
NOT CONNECTED
VCO
L OUT
R OUT
LPF2
LPF1
MPX IN
DET OUT
AM OSC
FM OSC
AM RF IN
FM RF OUT
V
CC1
V
CC2
TDA7222AD (SO28)
1/7
FM
OSC
AM
OSC
PRE
AM
AF
FM
AF
DECODE
F.F
HYS
SW
AGC
AM
DET
AM
MIX
FM
MIX
AM/FM
SW
AM
IF
LEVEL
DET
TUN
LED
FM
IF
FM
DET
FM
RF
24
23
22
21
20
19
17
16
15
14
13
18
1
234567
8
9
1
0
1
2
11
BFP
LPF2
LPF1
DET
OUT
MPX
IN
AM
OSC
FM
OSC
V
CC1
FM
V
CC2
AGC
FM
MIX
AM
MIX
GND1
GND2
TUN
LED
ST
LED
QUAD
V
CC
L
OUT
R
OUT
AM
AM
RF
IN
FM
RF
OUT
FM
RF
IN
AM
IF
IN
FM
IF
IN
VCO
Stop
VCO
VCO
ST
LED
7222A-02.EPS
BLOCK DIAGRAM
TDA7222A - TDA7222AD
2/7
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
S
Supply Voltage
9
V
I
LED
LED Current
10
mA
V
LED
LED Voltage
10
V
T
oper
Operating Temperature
-20, +70
o
C
T
stg
Storage Temperature
-55, +150
o
C
7222A-01.TBL
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
V
S
Supply Voltage
1.8 to 7
V
T
oper
Operating Temperature
0, +70
o
C
7222A-02.TBL
ELECTRICAL CHARACTERISTICS (unless otherwise specified)
T
A
= 25
o
C, V
CC
= 3V
F/E
: f = 83MHz, f
m
= 1kHz
FM IF : f = 10.7MHz,
f =
22.5kHz, f
m
= 1kHz
AM
: f = 1MHz, MOD = 30%, f
m
= 1kHz
MPX
: f
m
= 1kHz
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
CC
(FM)
Supply Current
V
IN
= 0, FM mode
13.2
20
mA
I
CC
(AM)
V
IN
= 0, AM mode
8.4
13.5
mA
V
IN
(lim)
F/E
Input Limiting Voltage
- 3dB limiting
10.0
dB
V
OSC
Local OSC Voltage
f
OSC
= 72.3MHz
105
mV
RMS
V
IN
(lim) IF
FM
IF
Input Limiting Voltage
- 3dB limiting
40
46
53
dB
VOD
Recovered Output Voltage
V
IN
= 80dB
55
80
110
mV
RMS
S/N
Signal to Noise Ratio
V
IN
= 80dB
70
dB
THD
Total Harmonic Distortion
V
IN
= 80dB
0.4
%
AMR
AM Rejection Ratio
V
IN
= 80dB
32
dB
V
L
Lamp ON Sensitivity
I
L
= 1mA
45
51
56
dB
G
V
AM
Gain
V
IN
= 26dB
40
70
110
mV
RMS
VOD
Recovered Output Voltage
V
IN
= 60dB
55
80
110
mV
RMS
S/N
Signal to Noise Ratio
V
IN
= 60dB
42
dB
THD
Total Harmonic Distortion
V
IN
= 60dB
1.0
%
V
L
Lamp ON Sensitivity
I
L
= 1mA
20
25
30
dB
R19
Pin 19 Output Resistance
FM mode
AM mode
0.75
12.75
k
k
R
IN
MPX
Input Resistance
24
k
R
OUT
Output Resistance
5
k
V
IN (Max.)
Stereo
Max. Composite Signal Input Voltage
L + R = 90%, P = 10%
f
m
= 1kHz, THD = 3%
350
mV
RMS
Sep
f
m
= 100Hz
Separation
f
m
= 1kHz
f
m
= 10kHz
L + R = 135mV
RMS
P = 15mV
RMS
25
32
32
32
dB
dB
dB
THD
Monaural
Total Harmonic Distortion (monaural)
V
IN
= 150mV
RMS
0.2
%
THD
Stereo
Total Harmonic Distortion (stereo)
L + R = 135mV
RMS
P = 15mV
RMS
0.2
%
G
V
(MPX)
Voltage Gain
V
IN
= 150mV
RMS
-5
- 3
- 1
dB
C.B.
Channel Balance
V
IN
= 150mV
RMS
- 2
0
2
dB
7222A-03.TBL
TDA7222A - TDA7222AD
3/7
ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued)
T
A
= 25
o
C, V
CC
= 3V
F/E
: f = 83MHz, f
m
= 1kHz
FM IF : f = 10.7MHz,
f =
22.5kHz, f
m
= 1kHz
AM
: f = 1MHz, MOD = 30%, f
m
= 1kHz
MPX
: f
m
= 1kHz
Symbol
Parameter
Test Condition s
Min.
Typ.
Max.
Unit
V
L
(ON)
MPX
Stereo Lamp (ON) Sensitivity
Pilot Input
2
6
mV
RMS
V
L
(OFF)
Stereo Lamp (OFF) Sensitivity
2
mV
RMS
V
H
Stereo Lamp Hysteresis
3
mV
RMS
C.R.
Capture Range
P = 15mV
RMS
3
%
S/N
Signal to Noise Ratio
70
dB
7222A-04.TBL
COIL DATA
Coil
N
o
f
(Hz)
L
(
H)
C
O
(pF)
Q
O
Turns
Wire
Ref. *
1 - 2
2 - 3
1 - 3
1-4
4 - 6
L
1
FM RF
100M
100
2
1
2
0.5
UEW
S -53T-037-202
L
2
FM OSC
100M
100
2
3
4
0.5
UEW
S - 0258-24
L
3
AM OSC
796k
238
115
13
73
0.08
UEW
S - 4147-1356-038
T
1
FM MIX
10.7M
75
100
13
2
0.1
UEW
S - 2153-414-041
T
2
AM MIX
455k
180
120
180
15
0.08
UEW
S - 2150-2162-165
T
3
FM DET
10.7M
47
165
16
0.09
MUEW
S - 2153-4095-122
* S : Sumida Electric CO, LTD.
7222A-05.TBL
3
2
1
4
3
2
1
4
6
6
3
2
1
4
6
6
4
3
2
1
L1, L2
L3
L4
T1
T3
T2
Pin 3
V
C.F.
Pin 4
C.F.
Pin 12
V
CC
V
CC
CC
V
CC
V
CC
V
CC
6
1
3
4
V
CC
V.C.V
CC
Pin 20
Pin 24
V.C.
7222A-03.EPS
TDA7222A - TDA7222AD
4/7
FM
OSC
AM
OSC
PRE
AM
AF
SW
AM
DET
AM
MIX
FM
MIX
AM
IF
LEVEL
DET
TUN
LED
FM
IF
FM
DET
FM
RF
24
23
22
21
20
19
17
16
15
14
13
18
1
23456
7
8
9
10
12
11
BFP
LPF2
LPF1
DET
OUT
MPX
IN
AM
OSC
FM
OSC
V
CC1
FM
V
CC2
FM
MIX
AM
MIX
GND1
GND2
TUN
LED
ST
LED
QUAD
L
OUT
R
OUT
AM
AGC
AM/FM
MONO
SW
Pbase
COM
Pbase
COM
ST
DECODER
ST
LED
HYS
1/2
1/2
1/2
AM
AGC
BPWB5
T1
T2
33
F
33pF
100
560
5.6k
T3
CC
V
(3V)
22
F
AM
ST
MO
4.7
F
4.7
F
0.47
F
330pF
10
F
1
F
1k
10k
15k
100k
1S2236
100k
41k
10
H
22pF
L4
L1
5pF
5pF
L2
L3
15pF
*1
F
*
Polyester
film
condenser
SFU455B
SFE
10.7MA5
1000pF
22pF
AM
RF
IN
FM
RF
OUT
FM
RF
IN
AM
IF
IN
VCO
VCO
FM
IF
IN
10nF
10nF
0.33
F
560
7222A-04.EPS
APPLICATION CIRCUIT
TDA7222A - TDA7222AD
5/7
24
13
1
12
I
a1
L
b2
e
D
Z
b
e3
F
b1
E
Stand-off
b3
Stand-off
PMSDIP24.EPS
PACKAGE MECHANICAL DATA (TDA7222A)
24 PINS - PLASTIC SHRINK DIP
Dimensions
Millimeters
Inches
Min.
Typ.
Max.
Min.
Typ.
Max.
A
3.3
0.130
a1
0.51
0.020
b
0.35
0.59
0.014
0.023
b1
0.2
0.36
0.008
0.014
b2
0.75
1.42
0.030
0.056
b3
0.75
0.030
D
23.11
0.910
E
7.95
9.73
0.313
0.383
e
1.778
0.070
e3
19.558
0.770
e4
7.62
0.300
F
6.86
0270
i
5.08
0.200
L
2.54
0.100
SDIP24.TBL
TDA7222A - TDA7222AD
6/7
F
C
L
E
a1
b1
A
e
D
e3
b
28
15
1
14
c1
s
PM-SO28.EPS
PACKAGE MECHANICAL DATA (TDA7222AD)
28 PINS - PLASTIC MICROPACKAGE (SO)
Dimensions
Millimeters
Inches
Min.
Typ.
Max.
Min.
Typ.
Max.
A
2.65
0.104
a1
0.1
0.3
0.004
0.012
b
0.35
0.49
0.014
0.019
b1
0.23
0.32
0.009
0.013
C
0.5
0.020
c1
45
o
(typ.)
D
17.7
18.1
0.697
0.713
E
10
10.65
0.394
0.419
e
1.27
0.050
e3
16.51
0.65
F
7.4
7.6
0.291
0.299
L
0.4
1.27
0.016
0.050
S
8
o
(max.)
SO28.TBL
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1995 SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I
2
C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips
I
2
C Patent. Rights to use these components in a I
2
C system, is granted provided that the system conforms to
the I
2
C Standard Specifications as defined by Philips.
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco
The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
TDA7222A - TDA7222AD
7/7
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