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TDA7440D - TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR

General Description

The TDA7440D is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in Hi-Fi systems.

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® TDA7440D TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR INPUT MULTIPLEXER - 4 STEREO INPUTS - SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTATION TO DIFFERENT SOURCES ONE STEREO OUTPUT 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 DESCRIPTION The TDA7440D is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in Hi-Fi systems. BLOCK DIAGRAM MUXOUTL L-IN1 4 100K 5 L-IN2 100K 6 100K 7 100K 0/30dB 2dB STEP 100K 2 100K 1 G VOLUME 8 INL 9 SO28 ORDERING NUMBER: TDA7440D Selectable input gain is provided. Control of all the functions is accomplished by serial bus.