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TDA7437 DIGITALLY CONTROLLED AUDIO PROCESSOR

TDA7437 Description

® TDA7437 DIGITALLY CONTROLLED AUDIO PROCESSOR INPUT MULTIPLEXER - FOUR STEREO, ONE MONO INPUT, AND ONE DIFFERENTIAL INPUT - SELECTABLE INPUT GAIN F.
The audioprocessor TDA7437 is an upgrade of the TDA731X audioprocessor family.

TDA7437 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

TDA7437 Applications

* providing 3 wires CD signal L+ ∼RL- = R+ L+ CD LRR+ TDA7437 D00AU1125 CLD - = DIFFINLGND CDR - = DIFFINRGND 6/23 TDA7437 I2C BUS INTERFACE Data transmission from microprocessor to the TDA7437 and viceversa takes place thru the 2 wires I2C BUS interface, consisting of the two lines SDA and SCL

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DIGITALLY CONTROLLED AUDIO PROCESSOR ST Microelectronics
ST Microelectronics TDA7437-like datasheet