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TDA7443D Datasheet

  • TDA7443D

  • TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESS...

  • 15頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7443D
TONE CONTROL AND SURROUND
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC
PRODUCT PREVIEW
s
s
s
s
s
s
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INPUT MULTIPLEXER
- 5 STEREO INPUTS
- SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
ONE STEREO OUTPUT
AGC
TREBLE AND BASS CONTROL IN 2.0dB
STEPS
VOLUME CONTROL IN 1.0dB STEPS
TWO SPEAKER ATTENUATORS:
- TWO INDEPENDENT SPEAKER CONTROL
IN 1.0dB STEPS FOR BALANCE FACILITY
- INDEPENDENT MUTE FUNCTION
TWO SURROND MODES AVAILABLE
- MUSIC
PSEUDO STEREO
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
SO28
ORDERING NUMBER: TDA7443D
DESCRIPTION
The TDA7443D is a volume tone (bass and treble)
PIN CONNECTION
(Top view)
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.
V
S
AGC
L-IN1
L-IN2
L-IN3
L-IN4
L-IN5
L-MUX
L-TREBLE
L-BASSI
L-BASSO
L-OUT
SDA
SCL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D01AU1319
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PS1
LP
R-IN1
R-IN2
R-IN3
R-IN4
R-IN5
R-MUX
R-TREBLE
R-BASSI
R-BASSO
R-OUT
CREF
GND
July 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
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