Datasheet Summary
E2U0052-18-86
¡ Semiconductor MSM7718-01
¡ Semiconductor Echo Canceler with ADPCM CODEC
This version: Aug. 1998 MSM7718-01
GENERAL 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. This device includes DTMF tone and several types of tone generation, transmit/receive data mute and gain control, and VOX function and is best suited for master telephones in PHS applications.
Features
- Single 3 V power supply VDD : 2.7 V to 3.6 V
- ADPCM : ITU-T Remendations...