FULLY INTEGRATED AUDIOPROCESSOR
5 STEREO + 1 MONO INPUTS
FOUR INDEPENDENT SPEAKER OUTPUTS
DYNAMIC COMPRESSION STAGE FOR CD
SUBWOOFER OUTPUT
SOFTSTEP FEATURE FOR VOLUME
VOICE-BAND FILTER
DIRECT MUTE AND SOFTMUTE
PAUSE DETECTOR
FULLY PROGRAMMABLE BY I
2
C BUS IN-
TERFACE
DESCRIPTION
The TDA7462 is a high performance audioproc-
essor with fully integrated audio filters. The digi-
tal control allows the programming of all filter
characteristics in a wide range without the need
of external components. New innovative features
are included , a dynamic compression stage to
optimize audio response of CD sources an addi-
tional output channel for subwoofer and a sepa-
rate source selector for rear channel. The use of
a dedicated BICMOS process makes signal proc-
essing very linear thus achieving low distortion
and low noise figures.
November 2001
®
SUPPLY
VOLUME
CREF
OUT LF
D96AU864
I
2
C BUSBEEP
V
S
PDL
INPUT
MULTIPLEXER
+ MIXING-STAGE
PAUSE
LOUDNESS
SOFT
MUTE
BASSTREBLE
VOICE-BANDPASS
OUT RF
OUT RR
OUT RL
SDA
SCL
MONO
FADER
DIGITAL CONTROL
CD R+
PDR
PDGND
SE1L
GND
MUTECD L+
SUBWOOFER
OUT
FRONT
SELECTOR
REAR
SELECTOR
CD L-
CD R-
SE1R
SE2R
SE2L
MD+
MD-
SEM/SE3L
SE3R
HP LP
FRONT
FADER
FRONT
FADER
REAR
FADER
REAR
FADER
IN-GAIN +
AUTO ZERO
COMPANDER
LOUDNESS
IN-GAIN
SUBWOOFER
LP
PAUSE
DETECT.
SUBOUT+
SUBOUT-
7
9
10
11
1
2
13
12
3
4
28
27
23
16 15 14
865 26
22
21
19
20
18
17
25
24
BLOCK DIAGRAM
SO28
ORDERING NUMBER:
TDA7462D
TDA7462
DUAL AUDIOPROCESSOR WITH COMPANDER
AND SUBWOOFER OUTPUT
1/25
Obsolete Product(s) - Obsolete Product(s)
ABSOLUTE MAXIMUM RATINGS
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
SUPPLY
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Supply Voltage 7.5 9 10.2 V
I
S
Supply Current V
S
= 9V 25 30 35 mA
SVRR Ripple Rejection @ 1KHz Audioprocessor (all filters flat) 60 dB
ESD
All pins are protected against ESD according to the MIL883 standard.
THERMAL DATA
Symbol Parameter Value Unit
R
th-j pins
Thermal Resistance Junction-pins Max 85 °C/W
SE1L
SE1R
MD+
MD-
CDL+
CDR-
CDL-
CDR+
PDR OUTLR
OUTRF
OUTLF
SCL
PAUSE
SDA
MUTE
SE3R
SE3L1
3
2
4
5
6
7
8
9
26
25
24
23
22
20
21
19
27
10
28
PDGND OUTRR
D98AU865
PDL
SE2L
SE2R V
S
SUBOUT-
SUBOUT+11
12
13
18
16
17
1514CREF GND
PIN CONNECTION
TDA7462
2/25
Obsolete Product(s) - Obsolete Product(s)
PIN DESCRIPTION
N. Name Function Type
1 SE1L Single Ended Input 1 Left Channel I
2 SE1R Single Ended Input 1 Right Channel I
3 MD+ Mono Differenzial Input + I
4 MD- Mono Differenzial Input - I
5 CDL+ CD Input Left Channel + I
6 CDL- CD Input Left Channel - I
7 CDR- CD Input Right Channel - I
8 CDR+ CD Input Right Channel + I
9 PDR Pseudo Differential Input Left I
10 PDGND Pseudo Differential Common Ground I
11 PDL Pseudo Differential Input Right I
12 SE2L Single Ended Input 2 Left Channel I
13 SE2R Single Ended Input 2 Right Channel I
14 CREF Stabilizer Capacitor Pin S
15 GND Supply Ground S
16 VS Supply Voltage S
17 SUBOUT- Subwoofer Output - O
18 SUBOUT+ Subwoofer Output + O
19 OUTRR Speaker Output Right Rear O
20 OUTLR Speaker Output Left Rear O
21 OUTRF Speaker Output Right Front O
22 OUTLF Speaker Output Left Front O
23 PAUSE Pause Detector Output O
24 SCL I
2
C bus clock I
25 SDA I
2
C bus data I/O
26 MUTE Softmute drive I
27 SE3R Single Ended Input 3 Right Channel I
28 SE3L Single Ended Input 3 Left Channel I
Pin type legenda:
I = Input
O = Output
I/O = Input/Output
S = Supply
TDA7462
3/25
Obsolete Product(s) - Obsolete Product(s)

TDA7462D013TR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
IC AUDIOPROCESSOR DUAL 28-SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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