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DESCRIPTION

The TDA7345 is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in car radio and Hi-Fi systems. It reproduces surround sound by using phase shifters and a signal matrix. 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.

Thanks to the used BIPOLAR/CMOSTechnology, Low Distortion, Low Noise and DC stepping are obtained.

■ 1 STEREO INPUT

■ VOLUME CONTROL IN 1.25dB STEP

■ TREBLE AND BASS CONTROL

■ THREE SURROUND MODES ARE AVAILABLE:

– MOVIE, MUSIC AND SIMULATED

■ FOUR SPEAKER ATTENUATORS:

– 4 INDEPENDENT SPEAKERS CONTROL IN 1.25dBSTEPS FOR BALANCE FACILITY

– INDEPENDENT MUTE FUNCTION

■ ALL FUNCTIONS PROGRAMMABLE VIA SERIAL BUS