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TDA7463D
LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO P CANCELLER
TDA7463DLOW 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 CON-
TROLLED
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
DESCRIPTIONThe 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.
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.
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN CONNECTION
QUICK REFERENCE DATA
TDA7463D
ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS =2.4V, RL= 10KΩ,RG = 600Ω, all controls flat, unless otherwise specified)
SUPPLY
NOTE1:
1) BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
TDA7463D
DATA BYTESAddress = (HEX) 10001000
FUNCTION SELECTION:The first byte (subaddress)
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
STAND_BY & TREBLE & OTHERS
TDA7463D
VOLUME : 0 ∼ -63dB
VOLUME
BASS
TDA7463D
ALC IN general:
VOLUME setting with ALC
TDA7463D
