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TDA7463AD Datasheet(PDF) 1 Page - STMicroelectronics

Part No. TDA7463AD
Description  LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7463AD Datasheet(HTML) 1 Page - STMicroelectronics

 
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TDA7463AD
June 2004
1FEATURES
2 STEREO INPUT
1 STEREO OUTPUT
TREBLE BOOST
BASS CONTROL
BASS AUTOMATIC LEVEL CONTROL
VOLUME CONTROL IN 1dB STEPS
MUTE
STAND-BY FUNCTION SOFTWARE
CONTROLLED
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
2DESCRIPTION
The TDA7463AD is a volume tone (bass and tre-
ble) processor for quality audio applications in Low
voltage supply portable systems.
Bass ALC (Automatic Level Control) function can
be adjusted by a dedicated pin.
The 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.
LOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
Figure 2. Block Diagram
IN1-R
ALC
IN1-L
C2 0.47
µF
C3 0.47
µF
C6
3.3nF
C7
100nF
C8
100nF
R2
5.6K
SUPPLY
VS
GND
CREF
TREBLE-L
D99AU1049
I2C BUS DECODER + LATCHES
SCL
SDA
OUT-L
OUT-R
C9
22
µF
+
TREBLE-R
RB
RB
BASSI-R
BASSO-R
x1
x5
x1
x5
C4 0.47
µF
C5 0.47
µF
50K
R1
1M
TREBLE
-63dB
CONTROL
-63dB
CONTROL
INPUT
SELECT
TREBLE
BASS
BASS
BASS_ALC
CONTROL
HALF_WAVE
RECTIFIER
50K
50K
IN2-R
18
17
15
16
19
20
2
3
4
5
6
11
12
1
7
9
10
14
C1 0.47
µF
IN2-L
50K
VREF
0/-10dB
0/-10dB
BASSO-L
BASSI-L
C10
100nF
C11
100
µF
R3
1K
R4
1K
VS
DGND
C14 3.3nF
R5
5.6K
100nF
100nF
C13
C12
1
2
3
4
VS
VS
VS
I2C
SCL
SDA
Figure 1. Package
Table 1. Order Codes
Part Number
Package
TDA7463AD
SSO20P
SSO20P
REV. 3


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