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STMicroelectronics Electronic Components Datasheet

TDA7468D Datasheet

TWO BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR

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TDA7468
TWO BANDS DIGITALLY CONTROLLED
AUDIO PROCESSOR WITH BASS ALC SURROUND
1 FEATURES
„ INPUT MULTIPLEXER
– 4 STEREO INPUTS
– SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
„ ONE STEREO OUTPUT
„ BASS ALC
„ 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
„ ALL FUNCTION ARE PROGRAMMABLE VIA
„ SERIAL BUS
„ EXTERNALLY ADJUSTABLE SURROUND
2 DESCRIPTION
The TDA7468D is a volume tone (bass and treble)
balance (Left/Right) processor for quality audio
Figure 1. Package
SO28
Table 1. Order Codes
Part Number
TDA7468D
TDA7468D13TR
Package
SO28
Tape & Reel
applications 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
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained
Figure 2. PIN CONNECTION (Top view)
April 2010
VS
MIC
IN1_L
IN2_L
IN3_L
IN4_L
MUX_L
IS_L
TREBLE_L
BASSI_L
BASSO_L
OUT_L
DGND
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
D99AU1057
GND
CREF
IN1_R
IN2_R
IN3_R
IN4_R
MUX_R
IS_R
TREBLE_R
BASSI_R
BASSO_R
OUT_R
ALC
SDA
Rev. 4
1/23


STMicroelectronics Electronic Components Datasheet

TDA7468D Datasheet

TWO BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR

No Preview Available !

TDA7468
Figure 3. BLOCK DIAGRAM
2/23


Part Number TDA7468D
Description TWO BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR
Maker ST Microelectronics
Total Page 23 Pages
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