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STMicroelectronics Electronic Components Datasheet

TDA7462 Datasheet

DUAL AUDIOPROCESSOR

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® TDA7462
DUAL AUDIOPROCESSOR WITH COMPANDER
AND SUBWOOFER OUTPUT
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 I2C BUS IN-
TERFACE
SO28
ORDERING NUMBER: TDA7462D
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
BLOCK DIAGRAM
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.
CD R+ CD L- CD L+
865
CD R-
PDR
PDGND
PDL
SE1L
SE1R
SE2R
SE2L
MD+
MD-
SEM/SE3L
SE3R
7
9
10 FRONT
11 SELECTOR
1 INPUT
2
MULTIPLEXER
+ MIXING-STAGE
13
12 REAR
3 SELECTOR
4
28
27
IN-GAIN +
AUTO ZERO
LOUDNESS
VOLUME
COMPANDER
IN-GAIN
MUTE
26
SOFT
MUTE
TREBLE
LOUDNESS
BASS
VOICE-BANDPASS
HP LP
SUBWOOFER
LP
MONO
FADER
PAUSE 23 PAUSE
DETECT.
BEEP
SUPPLY
16
VS
15
GND
14
CREF
DIGITAL CONTROL
FRONT 22
FADER
OUT LF
FRONT 21
FADER
OUT RF
REAR 19 OUT RR
FADER
REAR
FADER
20
OUT RL
18
SUBWOOFER
OUT
17
SUBOUT+
SUBOUT-
I2C BUS
25
SDA
24
SCL
D96AU864
November 2001
1/25


STMicroelectronics Electronic Components Datasheet

TDA7462 Datasheet

DUAL AUDIOPROCESSOR

No Preview Available !

TDA7462
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
Tamb
Tstg
SUPPLY
Parameter
Operating Supply Voltage
Operating Ambient Temperature Range
Operating Storage Temperature Range
Symbol
VS
IS
SVRR
Parameter
Supply Voltage
Supply Current
Ripple Rejection @ 1KHz
Test Condition
VS = 9V
Audioprocessor (all filters flat)
ESD
All pins are protected against ESD according to the MIL883 standard.
Value
10.5
-40 to 85
-55 to 150
Unit
V
°C
°C
Min.
7.5
25
Typ.
9
30
60
Max.
10.2
35
Unit
V
mA
dB
PIN CONNECTION
SE1L
SE1R
MD+
MD-
CDL+
CDL-
CDR-
CDR+
PDR
PDGND
PDL
SE2L
SE2R
CREF
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
D98AU865
SE3L
SE3R
MUTE
SDA
SCL
PAUSE
OUTLF
OUTRF
OUTLR
OUTRR
SUBOUT+
SUBOUT-
VS
GND
THERMAL DATA
Symbol
Rth-j pins
Parameter
Thermal Resistance Junction-pins
2/25
Value
Max 85
Unit
°C/W


Part Number TDA7462
Description DUAL AUDIOPROCESSOR
Maker ST Microelectronics
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TDA7462 Datasheet PDF






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