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MSM7728 - Single Rail Linear CODEC

General Description

The MSM7728 is a single-channel linear CODEC CMOS IC for voice signals that contains filters for A/D and D/A conversions.

Key Features

  • Single power supply : 2.5 V to 3.6 V.
  • Low power consumption Operating mode : 36 mW Typ. Power down mode : 0.003 mW Typ.
  • Digital signal input/output interface : 14-bit serial code in 2's complement format.
  • Transmission clock frequency : 112 kHz min. , 2048 kHz max.
  • Filter characteristics : Complies with ITU-T Recommendation G.714.
  • Built-in PLL eliminates a master clock.
  • Built-in PB tone signal generator.
  • Built-in service to.

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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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E2U0053-28-81 ¡ Semiconductor MSM7728 ¡ Semiconductor Single Rail Linear CODEC This version: Aug. 1998 MSM7728 Previous version: Apr. 1997 GENERAL DESCRIPTION The MSM7728 is a single-channel linear CODEC CMOS IC for voice signals that contains filters for A/D and D/A conversions. Designed especially for a single-power supply and low-power applications, the device is optimized for applications for the analog interfaces of audio signal processing DSPs and digital wireless systems. The analog outputs include the speaker drive output, earphone drive output and ringer output. Therefore, the sound interface can be configured with a few external circuits. FEATURES • Single power supply : 2.5 V to 3.6 V • Low power consumption Operating mode : 36 mW Typ. Power down mode : 0.003 mW Typ.