TDA7432D013TR STMicroelectronics, TDA7432D013TR Datasheet

IC PROCESSOR BASIC AUDIO SO-20

TDA7432D013TR

Manufacturer Part Number
TDA7432D013TR
Description
IC PROCESSOR BASIC AUDIO SO-20
Manufacturer
STMicroelectronics
Type
Car Signal Processorr
Datasheet

Specifications of TDA7432D013TR

Applications
Hi-Fi Systems
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number:
TDA7432D013TR
Manufacturer:
ST
0
DESCRIPTION
The TDA7432 is a volume, tone (bass and treble)
balance (Left/Right) processor for quality audio
applications in car radio and Hi-Fi systems.
Control is accomplished by serial bus microproc-
essor interface.
The AC signal setting is obtained by resistor net-
BLOCK DIAGRAM
September 2003
ONE STEREO AND ONE MONO INPUTS
MUTE FUNCTION (SOFTWARE AND HARD-
WARE) CONTROLLED
VOLUME CONTROL IN 1dB STEP
BASS AND TREBLE CONTROL IN 2dB STEP
FULLY PROGRAMMABLE LOUDNESS CON-
TROL
FOUR SPEAKER ATTENUATORS:
– Independent attenuation control
– Independent mute function
ALL FUNCTIONS PROGRAMMABLE VIA
I
2
CBUS
MONO_IN/MUTE
®
IN_R
IN_L
V S
3
4
2
17
20
GND
10 F
MUX
MUX
SUPPLY
1
CREF
LOUD_L
68nF
68nF
BASIC FUNCTION AUDIO PROCESSOR
+ LOUD
+ LOUD
6
VOL
VOL
5
LOUD_R
S BUS DECODER + LATCHES
BINL
100nF
100nF
10
8
4.7K
BASS
BASS
BINR
4.7K
works and switches combined with operational
amplifiers.
Thanks to the advanced BIPOLAR/CMOS Tech-
nology, the external components have been re-
duced.
100nF
100nF
BOUTL
9
7
BOUTR
TREBLE
TREBLE
ORDERING NUMBER: TDA7432D
TRL
11
12
TRR
2.7nF
2.7nF
SPKR
SPKR
ATT
ATT
SPKR
SPKR
SO20
ATT
ATT
D95AU357A
16
14
18
19
15
13
TDA7432
LEFT FRONT
LEFT REAR
SCL
SDA
RIGHT FRONT
RIGHT REAR
1/10

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TDA7432D013TR Summary of contents

Page 1

ONE STEREO AND ONE MONO INPUTS MUTE FUNCTION (SOFTWARE AND HARD- WARE) CONTROLLED VOLUME CONTROL IN 1dB STEP BASS AND TREBLE CONTROL IN 2dB STEP FULLY PROGRAMMABLE LOUDNESS CON- TROL FOUR SPEAKER ATTENUATORS: – Independent attenuation control – Independent ...

Page 2

TDA7432 ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage S T Operating Temperature Range amb T Storage Temperature Range stg QUICK REFERENCE DATA Symbol V Supply Voltage S V Max. Input Signal Handling CL THD Total Harmonic Distortion (V = ...

Page 3

APPLICATION CIRCUIT IN_L 3 4 MONO_IN /MUTE IN_R 100nF 20 GND 4.7 F 4.7K 68nF 100nF 100nF LOUD_L BINL 6 10 VOL MUX BASS + LOUD S BUS DECODER + LATCHES VOL MUX ...

Page 4

TDA7432 ELECTRICAL CHARACTERISTICS (T all variable gains = 0dB 1kHz, unless otherwise specified.) Symbol Parameter INPUT SELECTOR R Input Resistance IN V Clipping Level CL S Input Separation IN A Input Mute Attenuation MUTE V Mute DC Step ...

Page 5

ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter GENERAL V Supply Voltage S I Supply Current S PSRR Power Supply Rejection Ratio e Output Noise NO S/N Signal to Noise Ratio d Distortion Sc Channel Separation E Total Tracking Error T BUS INPUTS ...

Page 6

TDA7432 SUBADDRESS (receive mode) MSB Auto increment X = Not used DATA BYTE SPECIFICATION X = not relevant; set to "1" during testing Input Selector MSB ...

Page 7

Bass, Treble MSB Input Selector ...

Page 8

TDA7432 Loudness MSB ...

Page 9

DIM. MIN. TYP. MAX. MIN. A 2.35 2.65 0.093 A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1. 10.65 0.394 h 0.25 0.75 0.010 ...

Page 10

... STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. ...

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