DESCRIPTION
The TDA7468D is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in Hi-Fi systems. Selectable input gain is provided. Control of all the functions is accomplished by serial bus. The AC signal setting is obtained by resistor networks and switches combined with operational amplifiers.

FEATURES
■ INPUT MULTIPLEXER
– 4 STEREO INPUTS
– SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
■ ONE STEREO OUTPUT
■ BASS ALC
■ TREBLE AND BASS CONTROL IN 2.0dB
■ STEPS
■ VOLUME CONTROL IN 1.0dB STEPS
■ TWO SPEAKER ATTENUATORS:
– TWO INDEPENDENT SPEAKER CONTROL IN 1.0dB STEPS FOR BALANCE FACILITY
– INDEPENDENT MUTE FUNCTION
■ ALL FUNCTION ARE PROGRAMMABLE VIA
■ SERIAL BUS
■ EXTERNALLY ADJUSTABLE SURROUND