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TDA7463A
LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
TDA7463ALOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
2 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 TDA7463A 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.
APPLICATION & TEST CIRCUIT
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN CONNECTION
QUICK REFERENCE DATA
TDA7463A
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.
TDA7463A
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
TDA7463A
VOLUME : 0 ∼ -63dB
VOLUME
BASS
TDA7463A
ALC IN general:
VOLUME setting with ALC
TDA7463A
