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TDA7437 - DIGITALLY CONTROLLED AUDIO PROCESSOR

General Description

The audioprocessor TDA7437 is an upgrade of the TDA731X audioprocessor family.

Key Features

  • like softmute, and zero-crossing mute are implemented. The soft Mute function can be activated in two ways: 1 Via serial bus (Mute byte, bit D0) 2 Directly on pin 28 through an I/O line of the microcontroller Very low DC stepping is obtained by use of a BICMOS technology. 44 43 42 41 40 39 38 37 36 35 34 TREB_R IN_R MUXOUT_R LOUD_R DIFFGND_R DIFF_R STEREO4_R STEREO1_R STEREO2_R STEREO3_R MONO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 DIFFGND_L STEREO4_L STEREO1_L STEREO2_L STEREO.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® TDA7437 DIGITALLY CONTROLLED AUDIO PROCESSOR INPUT MULTIPLEXER - FOUR STEREO, ONE MONO INPUT, AND ONE DIFFERENTIAL INPUT - SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTATION TO DIFFERENT SOURCES FULLY PROGRAMMABLE LOUDNESS FUNCTION VOLUME CONTROL IN 1dB STEPS INCLUDING GAIN UP TO 16dB ZERO CROSSING MUTE, SOFT MUTE AND DIRECT MUTE BASS AND TREBLE CONTROL FOUR SPEAKER ATTENUATORS - FOUR INDEPENDENT SPEAKERS CONTROL IN 1dB STEPS FOR BALANCE AND FADER FACILITIES PAUSE DETECTOR PROGRAMMABLE THRESHOLD ALL FUNCTIONS PROGRAMMABLE VIA SERIAL I2 CBUS DESCRIPTION The audioprocessor TDA7437 is an upgrade of the TDA731X audioprocessor family.