TDA7439DS PDF Datasheet


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Description

This is THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR. ® TDA7439DS THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR INPUT MULTIPLEXER - 4 STEREO INPUTS - SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTATION TO DIFFERENT SOURCES ONE STEREO OUTPUT TREBLE, MIDDLE 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 TDA7439DS is a volume tone (bass, middle and treble) balance (Left, Right) processor for quality audio applications in car-radio and Hi-Fi systems. Selectable input gain is provided. Control of all BLOCK DIAGRAM MUXOUTL L-IN1 4 100K 5 100K 6 100K 7 100K 0, 30dB 2dB STEP 100K 2 100K 1 G VOLUME TREBLE MIDDLE 8 TREBLE(L) 18 SO28 ORDERING NUMBERS: TDA7439DS 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, CMOS Technology,.