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MSM7579 - (MSM7578) Single Rail CODEC

General Description

The MSM7578 and MSM7579 are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz.

These devices contain filters for A/D and D/A conversion.

Key Features

  • Single power supply: +5.0 V ± 5%.
  • Low power consumption Operating mode: 25 mW Typ. 47 mW Max. VDD = 5 V Power down mode: 0.05 mW Typ. 0.3 mW Max. VDD = 5 V.
  • ITU-T Companding law MSM7578H: m-law MSM7579: A-law MSM7578V: m/A-law pin-selectable.
  • Built-in PLL eliminates a master clock.
  • Serial data rate: 64/128/256/512/1024/2048 kHz 96/192/384/768/1536/1544/200 kHz.
  • Adjustable transmit gain.
  • Built-in reference voltage supply.
  • Di.

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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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E2U0017-28-81 ¡ Semiconductor MSM7578H/7578V/7579 ¡ Semiconductor Single Rail CODEC This version: Aug. 1998 MSM7578H/7578V/7579 Previous version: Nov. 1996 GENERAL DESCRIPTION The MSM7578 and MSM7579 are single-channel CODEC CMOS ICs for voice signals ranging from 300 to 3400 Hz. These devices contain filters for A/D and D/A conversion. Designed especially for a single-power supply and low-power applications, these devices are particularly optimized for telephone terminals in digital wireless systems and ISDN systems. The devices use the same transmission clocks as those used in the MSM7508B and MSM7509B. The analog output signal can directly drive a piezoelectric type handset receiver. FEATURES • Single power supply: +5.0 V ± 5% • Low power consumption Operating mode: 25 mW Typ.