TDA7443D Datasheet, PDF (1/15 Pages) STMicroelectronics – TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC

TDA7443D
TONE CONTROL AND SURROUND
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC
PRODUCT PREVIEW
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)
SO28
ORDERING NUMBER: TDA7443D
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.
PIN CONNECTION (Top view)
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
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
D01AU1319
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.
1/15