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TDA7411
October 2003
s
FULLY INTEGRATED SIGNAL PROCESSOR
OPTIMIZED FOR CAR RADIO
APPLICATIONS
s
FULY PROGRAMMABLE BY I
2
C BUS
s
INCLUDES AUDIOPROCESSOR, STEREO-
DECODER WITH NOISE BLAMKER AND
MULTIPATH DETECTOR
s
SOFTMUTE FUNCTION
s
PROGRAMMABLE ROLL-OFF
COMPENSATION
s
NO EXTERNAL COMPONENTS
DESCRIPTION
The TDA7411 is the successor of the TDA7407 in
the CSP family introduced by the TDA7460/61. It
uses the same innovative concepts and design
technologies allowing fully software programma-
bility through I
2
C bus and overall cost optimization
for the system designer.
The device includes a three band audio processor
with extended configurable input and output stag-
es and absence of external components for filter
settings, a last generation stereo decoder with
multi path detector and a sophisticated stereo
blend, high cut control and noise cancellation cir-
cuitry.
Strength points of the CSP approach are flexibility
and overall cost/room saving in the application,
combined with high performances.
TQFP44
ORDERING NUMBER: TDA7411
ADVANCED CAR SIGNAL PROCESSOR
BLOCK DIAGRAM
TDA7411
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ABSOLUTE MAXIMUM RATINGS
SUPPLY
ESD
All pins are protected against ESD according to the MIL883 standard.
PIN CONNECTION (Top view)
THERMAL DATA
Symbol
Parameter
Value
Unit
V
S
Operating Supply Voltage
10.5
V
T
amb
Operating Ambient Temperature Range
-40 to 85
C
T
stg
Operating Storage Temperature Range
-55 to 150
C
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
S
Supply Voltage
7.5
8
10
V
I
S
Supply Current
V
S
= 9V
45
mA
SVRR
Ripple Rejection @ 1KHz
Audioprocessor (all filters flat)
60
dB
Stereodecoder + Audioprocessor
55
dB
Symbol
Parameter
Value
Unit
R
th-j pins
Thermal Resistance Junction to pins
Max
85
C/W
1
2
3
5
6
4
7
8
9
10
17
11
18
19
20
21
22
44
43
42
41
39
40
38
37
36
35
34
28
27
26
24
23
25
33
32
31
29
30
CDCHL-
CDCHR-
CDCHR+
AUXC
AUXL
AUXR
MPX
AM
NV-
CDCHL+
NV+
Level
Mpin
MPout
Qual
Mute
AFS
SDA
SCL
FreeR
FreeL
OutLR
CDL
CDR
MDR
MDL
SubL
Cref
SubR
ACoutR
ACoutL
ACin0L
ACin0R
ACin3L
V
S
GND
OutRF
OutRR
OutLF
ACin1R
ACin1L
ACin2L
ACin3R
ACin2R
PINCON-TDA7411
12
13
14
15
16
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TDA7411
PIN DESCRIPTION
Pin type legenda: I = Input ; O = Output; I/O = Input/Output; S = Supply; nc = not connected.
Nr.
Name
Function
Type
1
AUXL
Quasi Differential Input Left
I
2
AUXC
Quasi Differential Input Common
I
3
AUXR
Quasi Differential Input Right
I
4
CDCHR+
Full Differential Input Right Plus
I
5
CDCHR-
Full Differential Input Right Minus (not used in quasi differential mode)
I
6
CDCHL-
Full Differential Input Left Minus (CDCHCom in Qdiff mode)
I
7
CDCHL+
Full Differential Input Left Plus
I
8
NV+
Mono Differential Input Plus
I
9
NV-
Mono Differential Input Minus
I
10
AM
AM Input
I
11
MPX
FM Stereo Decoder Input
I
12
Level
Level Input Stereo Decoder
I
13
MPin
Multi Path Input
I
14
MPout
Multi Path Output
O
15
Qual
Stereo Decoder Quality Output
O
16
AFS
Alternative Frequency Search Drive
I
17
Mute
Soft Mute Drive
I
18
SDA
I
2
C Data Line
I/O
19
SCL
I
2
C Clock Line
I
20
FreeR
Free Right Speaker Output
O
21
FreeL
Free Left Speaker Output
O
22
OutLR
Rear Left Speaker Output
O
23
OutRR
Rear Right Speaker Output
O
24
OutRF
Front Right Speaker Output
O
25
OutLF
Front Left Speaker Output
O
26
GND
Supply Ground
S
27
VS
Supply Voltage
S
28
ACin3L
Pre-speaker Input Three Left
I
29
ACin3R
Pre-speaker Input Three Right
I
30
ACin2R
Pre-speaker Input Two Right
I
31
ACin2L
Pre-speaker Input Two Left
I
32
ACin1L
Pre-speaker Input Three Left
I
33
ACin1R
Pre-speaker Input Three Right
I
34
ACin0R
Pre-speaker Input Zero Right
I
35
ACin0L
Pre-speaker Input Zero Left
I
36
ACoutL
Pre-speaker Output Left
O
37
ACoutR
Pre-speaker Output Right
O
38
SubR
Sub Channel Selector Output Right
O
39
SubL
Sub Channel Selector Output Left
O
40
Cref
Reference Capacitor Pin
O
41
MDL
Mini Disk Input Left
I
42
MDR
Mini Disk Input Right
I
43
CDR
Compact Disk Input Right (Test mode Output)
I
44
CDL
Compact Disk Input Left
I
TDA7411
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AUDIO PROCESSOR PART
Input Multiplexer
full differential stereo input configurable as quasi-differential input
quasi differential auxiliary stereo input
mini disk stereo input configurable as mono differential input
compact disk stereo input
mono differential navigation input
AM mono input
second multiplexer for sub channel output
Volume control
1dB attenuator
Max. gain 15dB
Max. attenuation 79dB
Bass Control
2
nd
order frequency response
Center frequency programmable in 4(5) steps
DC gain programmable
15 x 1dB steps
Mid Control
2
nd
order frequency response
Center frequency programmable in 4 steps
Q-factor programmable in 2 steps
15 x 1dB steps
Treble Control
2
nd
order frequency response
Center frequency programmable in 4 steps
15 x 1dB steps
Speaker Control
6 independent speaker controls in 1dB steps
max. gain 15dB
max. attenuation 79dB
implemented soft mute capability
speaker input multiplexer
Mute Functions
independent direct fast mute controlled by I
2
C interface
independent soft mute for Front L/R, Rear and Free controlled by I
2
C interface
digitally controlled soft mute with 4 programmable mute-times
pin controlled soft mute
soft mute monitor function @ Mute pin
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TDA7411
ELECTRICAL CHARACTERISTICS
(V
S
= 8V; T
amb
= 25C; R
L
= 10K
; all gains = 0dB; f = 1KHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
R
in
Input Resistance
all inputs except Phone
70
100
130
K
V
CL
Clipping Level
THD < 0.3%
1.6
1.7
V
RMS
S
IN
Input Separation
80
100
dB
G
IN MIN
Min. Input Gain
-0.5
0
0.5
dB
G
IN MAX
Max. Input Gain
14
15
16
dB
G
STEP
Step Resolution
0.5
1
1.5
dB
V
DC
DC Steps
Adjacent Gain Step
-5
0.5
5
mV
G
MIN
to G
MAX
-10
5
10
mV
FULL AND QUASI DIFFERENTIAL STEREO INPUT
R
in
Input Resistance (see Figure 1)
Differential
70
100
130
K
Common Mode
70
100
130
K
CMRR
Common Mode Rejection Ratio
V
CM
= 1V
RMS
@ 1KHz
45
70
dB
V
CM
= 1V
RMS
@ 10KHz
45
60
dB
e
N
Output Noise @ Speaker Outputs 20Hz to 20KHz flat; all stages 0dB
9
15
V
MONO DIFFERENTIAL INPUT (NV and MD in differential mode)
R
in
Input Resistance
Differential
40
56
K
CMRR
Common Mode Rejection Ratio
V
CM
= 1V
RMS
@ 1KHz
40
70
dB
V
CM
= 1V
RMS
@ 10KHz
40
60
dB
VOLUME CONTROL
G
MAX
Max Gain
14
15
16
dB
A
MAX
Max Attenuation
74
79
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
E
A
Attenuation Set Error
G = -20 to +20dB
-1.25
0
+1.25
dB
G = -60 to +20dB
-4
0
+3
dB
E
T
Tracking Error
2
dB
V
DC
DC Steps
Adjacent Attenuation Steps
0.1
3
mV
From 0dB to GMIN
0.5
5
mV
SOFT MUTE/AFS
A
MUTE
Mute Attenuation
80
100
dB
T
D
Delay Time
T1
0.24
ms
T2
0.48
ms
T3
10.1
ms
T4
20.2
ms
V
TH low
Low Threshold for Mute/AFS-Pin
1
1
V
V
TH high
High Threshold for SM -Pin
1.8
V
V
TH high
High Threshold for AFS -Pin
2.4
V
V
SMon
Monitor Voltage for SMon
2.4
V
R
PD
Internal Pull-up Resistor
100
K
BASS CONTROL
C
RANGE
Control Range
13
15
17
dB
A
STEP
Step Resolution
0.5
1
1.5
dB
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