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TDA7863D Datasheet

  • TDA7863D

  • LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSO...

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7463D
LOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
1
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FEATURES
1 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
Figure 1. Package
SO16
Table 1. Order Codes
Part Number
TDA7463D
TDA7463D013TR
Package
SO16
Tape & Reel
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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.obtained.
2
DESCRIPTION
The TDA7463 is a volume tone (bass and treble)
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
Figure 2. Block Diagram
R5
5.6K
C12 3.3nF
100nF
C11
100nF
C10
TREBLE-R
BASSI-R
BASSO-R
RB
-63dB
CONTROL
TREBLE
50K
BASS
C1 0.47碌F
IN-R
0/-10dB
x1
x5
OUT-R
VS
BASS_ALC
CONTROL
C2 0.47碌F
ALC
R1
1M鈩?/div>
SCL
HALF_WAVE
RECTIFIER
+
I2C BUS DECODER + LATCHES
SDA
R3
1K鈩?/div>
VS
R4
1K鈩?/div>
I2C
1
2
3
4
V
S
DGND
SCL
SDA
C3 0.47碌F
IN-L
50K
-63dB
CONTROL
TREBLE
BASS
0/-10dB
x5
x1
OUT-L
RB
V
REF
SUPPLY
VS
C8
100nF
VS
C9
100碌F
D96AU482B
C4
3.3nF
TREBLE-L
BASSI-L
C5
100nF
BASSO-L
C6
100nF
GND
CREF
C7
22碌F
R2
5.6K
June 2004
REV. 4
1/12

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