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MSM7708-02 - Serial Register Interface ADPCM CODEC for Telephone Recording

General Description

The MSM7708-02 is a CMOS IC developed for applying to PHS (Personal Handyphone System).

This device provides a CODEC function which performs transcoding between the voice band analog signal and 32 kbps ADPCM data.

It also provides a serial register interface function for telephone call recording.

Key Features

  • Single 3 V power supply operation (VDD: 2.7 V to 3.6 V).
  • Low power consumption When system is operating: 6 mA typ. When powered down: 0.02 mA typ. (ADPCM CODEC).
  • ADPCM: ITU-T Recommendations G.721 (32 kbps).
  • Transmit/receive full duplex capability.
  • PCM interface code format: m-law or A-law selectable.
  • Serial ADPCM and PCM transmission rate: 64 kbps to 2,048 kbps.
  • Transmit/receive mute function; transmit/receive programmable gain set.

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Datasheet Details

Part number MSM7708-02
Manufacturer OKI Electric
File Size 232.55 KB
Description Serial Register Interface ADPCM CODEC for Telephone Recording
Datasheet download datasheet MSM7708-02 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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E2U0044-16-X2 ¡ Semiconductor MSM7708-02 ¡ Semiconductor This version: Jan. 1998 MSM7708-02 Previous version: Nov. 1996 Serial Register Interface ADPCM CODEC for Telephone Recording GENERAL DESCRIPTION The MSM7708-02 is a CMOS IC developed for applying to PHS (Personal Handyphone System). This device provides a CODEC function which performs transcoding between the voice band analog signal and 32 kbps ADPCM data. It also provides a serial register interface function for telephone call recording. Provided with such functions as DTMF tone and several kinds of tone generation, transmit/ receive data mute and gain control, side-tone pass, and voice/silence detection, the MSM770802 is best suited for PHS handsets. FEATURES • Single 3 V power supply operation (VDD: 2.7 V to 3.