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MSM7570L-xx - Multi-Function ADPCM CODEC

General Description

The MSM7570L-01/02, developed for advanced digital cordless telephone systems, are single channel ADPCM CODEC ICs which perform mutual transcoding between the analog voice band signal and 32 kbps ADPCM serial data.

Key Features

  • Single 3 V Power Supply Operation VDD: 2.7 V to ␣ 3.6 V ITU-T G.726 (32 kbps, 24 kbps, 16 kbps).
  • ADPCM Algorithm :.
  • Full-Duplex Transmit/Receive Operation.
  • Transmit/Receive Synchronous Mode Only.
  • PCM Data Format : A-law/µ-law Selectable.
  • Serial PCM/ADPCM Transmission Data Rate :64 kbps to 2048 kbps.
  • Low Power Consumption Operating Mode : 21 mW Typ. (VDD = 3.0 V) Power-Down Mode : 0.3 mW Typ. (VDD = 3.0 V).
  • Two Analog Input.

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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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E2U0028-28-82 ¡ Semiconductor MSM7570L-01/02 ¡ Semiconductor Multi-Function ADPCM CODEC This version: Aug. 1998 MSM7570L-01/02 Previous version: Nov. 1996 GENERAL DESCRIPTION The MSM7570L-01/02, developed for advanced digital cordless telephone systems, are single channel ADPCM CODEC ICs which perform mutual transcoding between the analog voice band signal and 32 kbps ADPCM serial data. The devices include DTMF Tone and several types of tone generation, transmit/receive data mute and gain control, side-tone path and gain control, and VOX function. Using advanced circuit technology, these devices operate from a single 3 V power supply and provide low power consumption. Note: The MSM7570L–01differs from MSM7570L–02 in Ringing Tone Frequency.