MSM7718-01 Datasheet (OKI electronic componets) - Echo Canceler with ADPCM CODEC

MSM7718-01, Echo Canceler with ADPCM CODEC

The MSM7718, developed for PHS (Personal Handyphone System) applications, is a CMOS LSI device and contains a line echo canceler and a single channel full-duplex ADPCM transcoder that performs interconversion between voice-band analog signal and 32 kbps ADPCM data.

This device includes DTMF tone and

MSM7718-01 Features

* Single 3 V power supply VDD : 2.7 V to 3.6 V

* ADPCM : ITU-T Recommendations G.726 (32 kbps)

* Full-Duplex single channel operation

* Transmit/receive synchronous mode

* PCM interface coding format : µ -law

* Built-in line echo canceler Echo attenuat