TDA7463 Datasheet, PDF (1/12 Pages) STMicroelectronics – LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7463
LOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
1 FEATURES
Figure 1. Package
„ 1 STEREO INPUT
„ 1 STEREO OUTPUT
„ TREBLE BOOST
„ BASS CONTROL
SO16
„ BASS AUTOMATIC LEVEL CONTROL
„ VOLUME CONTROL IN 1dB STEPS
t(s) ^{„ MUTE}
„ STAND-BY FUNCTION SOFTWARE
c CONTROLLED
u _{„ ALL FUNCTION ARE PROGRAMMABLE VIA}
d SERIAL BUS
ro _{2 DESCRIPTION}
P _{The TDA7463 is a volume tone (bass and treble)}
te ^{processor for quality audio applications in Low}
voltage supply portable systems.
le _{Bass ALC (Automatic Level Control) function can}
o _{be adjusted by a dedicated pin. The control of all}
Table 1. Order Codes
Part Number
TDA7463D
TDA7463D013TR
Package
SO16
Tape & Reel
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.
bs _{Figure 2. Block Diagram}
ct(s) ^{- O} _C10.47µF
u _IN-R
d _50K
ProC2 0.47µF
ALC
R1
te ^1MΩ
C12 3.3nF
R5
5.6K
100nF
100nF
TREBLE-R
C11 C10
BASSI-R
BASSO-R
-63dB
CONTROL
TREBLE
RB
BASS
0/-10dB
x1
x5
BASS_ALC
CONTROL
HALF_WAVE
+
RECTIFIER
I2C BUS DECODER + LATCHES
OUT-R
VS
VS
I2C
1
R3
R4
SCL
1KΩ
1KΩ
2
3
4
SDA
VS
DGND
SCL
SDA
le _{C3 0.47µF}
bso ^IN-L
TREBLE
50K
-63dB
CONTROL
BASS
x5
x1
0/-10dB
OUT-L
RB
VREF
SUPPLY
VS
VS
C8
C9
100nF 100µF
TREBLE-L BASSI-L
BASSO-L GND
CREF
D96AU482B
C4
3.3nF
C5
100nF
C6
R2 ^100nF
5.6K
C7
22µF
April 2010
REV. 5
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