MSM7718-01 - Echo Canceler with ADPCM CODEC

Product Overview

OKI electronic componets

Datasheet Details

Part number	MSM7718-01
Manufacturer	OKI electronic componets
File Size	231.87 KB
Description	Echo Canceler with ADPCM CODEC
Datasheet	MSM7718-01 Datasheet
Additional preview pages of the MSM7718-01 datasheet.

Product details

Description

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.

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 attenuation : 30 dB (typ. ) Cancelable echo delay time : Normal speech mode : 23 ms (max. ) Line echo canceler expansion mode : 54 ms (max. ).
Serial PCM/ADPCM transmission data rate : 64 kbps to 2048 k.

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Published: Aug 28, 2005 |