LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
®
TDA7463D
LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
1 STEREO INPUT 1 STEREO OUTPUT TREBLE BOOST B...
Description
®
TDA7463D
LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
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 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 the functions is accomplished by serial bus. BLOCK DIAGRAM
R5 5.6K C12 3.3nF 100nF C11
SO16
ORDERING NUMBER: TDA7463D
The AC signal setting is obtained by resistor networks and switches combined with operational amplifiers. Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are obtained.
100nF C10
TREBLE-R
BASSI-R
BASSO-R
RB -63dB CONTROL TREBLE 50K BASS
C1 0.47µF IN-R
0/-10dB x1 x5 OUT-R
VS BASS_ALC CONTROL C2 0.47µF ALC R1 1MΩ SCL HALF_WAVE RECTIFIER + I2C BUS DECODER + LATCHES SDA R3 1KΩ
VS R4 1KΩ
I2C 1 2 3 4 VS DGND SCL SDA
C3 0.47µF IN-L 50K -63dB CONTROL TREBLE BASS 0/-10dB
x5 x1
OUT-L
RB
VREF
SUPPLY
VS C8 100nF
VS C9 100µF
D96AU482B
C4 3.3nF
TREBLE-L
BASSI-L C5 100nF
BASSO-L C6 100nF
GND
CREF C7 22µF
R2 5.6K
May 2002
1/12
TDA7463D
ABSOLUTE MAXIMUM RATINGS
Symbol VS Tamb Tstg Operating Supply Voltage Operating Ambient Temperature Storage Temperature Range Parameter Value 5 -10 to 85 -55 to 150 Unit ...
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