MSM7731-01 Datasheet (OKI electronic componets) - Multifunction PCM CODEC (Voice Signal Processor)

MSM7731-01, Multifunction PCM CODEC (Voice Signal Processor)

The MSM7731 is an LSI device developed for portable, handsfree communication with built-in line echo canceler, acoustic echo canceler, and transmission signal noise canceler.

Built-in to the voice signal interface is a linear CODEC for the analog interface on the acoustic-side, and a linear CODEC fo

MSM7731-01 Features

* Single 3 V power supply operation (2.7 V to 3.6 V)

* Built-in 2-channel (line and acoustic) echo canceler Echo attenuation : 35 dB (typ.) Cancelable echo delay time : Line echo canceler + acoustic echo canceler : Tlined = 27 ms (max.), Tacoud = 59 ms

* Tlined (max.) Acousti