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TDA7443D Datasheet(PDF) 1 Page - STMicroelectronics

Part No. TDA7443D
Description  TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7443D Datasheet(HTML) 1 Page - STMicroelectronics

 
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TDA7443D
July 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
s
INPUT MULTIPLEXER
- 5 STEREO INPUTS
- SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
s
ONE STEREO OUTPUT
s
AGC
s
TREBLE AND BASS CONTROL IN 2.0dB
STEPS
s
VOLUME CONTROL IN 1.0dB STEPS
s
TWO SPEAKER ATTENUATORS:
- TWO INDEPENDENT SPEAKER CONTROL
IN 1.0dB STEPS FOR BALANCE FACILITY
- INDEPENDENT MUTE FUNCTION
s
TWO SURROND MODES AVAILABLE
- MUSIC
PSEUDO STEREO
s
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
DESCRIPTION
The TDA7443D is a volume tone (bass and treble)
balance (Left/Right) processor for quality audio appli-
cations in Hi-Fi systems.
Selectable input gain is provided. Control of all the
functions is accomplished by serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational ampli-
fiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are ob-
tained.
SO28
ORDERING NUMBER: TDA7443D
PRODUCT PREVIEW
TONE CONTROL AND SURROUND
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC
PIN CONNECTION (Top view)
VS
AGC
L-IN1
L-IN2
L-IN3
L-IN5
L-IN4
L-MUX
L-TREBLE
R-TREBLE
R-MUX
R-IN5
R-IN3
R-IN4
R-IN2
R-IN1
LP
PS1
1
3
2
4
5
6
7
8
9
26
25
24
23
22
20
21
19
27
10
28
L-BASSI
R-BASSI
D01AU1319
L-BASSO
L-OUT
SDA
CREF
R-OUT
R-BASSO
11
12
13
18
16
17
15
14
SCL
GND


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