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CMX655A - Ultra Low Power Voice Codec

Download the CMX655A datasheet PDF. This datasheet also covers the CMX655D variant, as both devices belong to the same ultra low power voice codec family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • Analogue and digital microphone support.
  • High efficiency Class-D amplifier.
  • Ultra Low power consumption.
  • 16 bit audio data.
  • Supports conventional telephony and HD voice (300Hz - 3.4kHz and 50Hz -7kHz bandwidths).
  • Supports audio bandwidths up to 21kHz.
  • Supports 8/16/32/48 ksps sample rates.
  • Flexible serial audio interface.
  • SPI™/TWI control interface1.
  • Small 24-lead VQFN Package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CMX655D-CML.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CMX655A
Manufacturer CML
File Size 3.15 MB
Description Ultra Low Power Voice Codec
Datasheet download datasheet CMX655A Datasheet

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Other Datasheets by CML

Part Number Description
CMX655D Ultra Low Power Voice Codec
CMX654 V23 Transmit Modulator
CMX602A Calling Line Identifier
CMX602B Calling Line Identifier
CMX641A DUAL SPM/SECURITY DETECTOR/GENERATOR

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.

View original datasheet text
CML Microcircuits COMMUNICATION SEMICONDUCTORS CMX655D/CMX655A Ultra Low Power Voice Codec D/655/3 October 2018 Features  Analogue and digital microphone support  High efficiency Class-D amplifier  Ultra Low power consumption  16 bit audio data  Supports conventional telephony and HD voice (300Hz - 3.