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CM6642 - USB 2.0 High-Speed Audio Codec

Download the CM6642 datasheet PDF. This datasheet also covers the CM6642-C variant, as both devices belong to the same usb 2.0 high-speed audio codec family and are provided as variant models within a single manufacturer datasheet.

Description

The CM6642 is a low power single chip USB 2.0 High-Speed audio codec built-in MCU for flexible applications.

With integrated PWM LED driver and two (2)-channel ADC/DAC and S/PDIF interface that makes it suitable for headset, headphone, docking, speakers, and microphone applications.

Features

  • USB 1.1/2.0 Full-Speed and High-Speed compliant.
  • USB Audio Class 1.0 and 2.0 compliant.
  • Two (2)-channel DAC for audio output interface.
  • Two (2)-channel ADC for audio input interface.
  • Built-in S/PDIF transmitter.
  • Built-in Hardware ANC (Active Noise Cancellation).
  • Supports USB suspend/resume/reset functions.
  • Embedded low-power MCU with 16K Byte OTP.
  • Supports OMTP and CTIA auto switch on a 4-pole jack.
  • Integrated PWM LED driver.
  • Master/Slave H.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CM6642-C-Media.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CM6642
Manufacturer C-Media
File Size 381.90 KB
Description USB 2.0 High-Speed Audio Codec
Datasheet download datasheet CM6642 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.

View original datasheet text
CM6642 USB 2.0 High-Speed Audio Codec DESCRIPTION The CM6642 is a low power single chip USB 2.0 High-Speed audio codec built-in MCU for flexible applications. With integrated PWM LED driver and two (2)-channel ADC/DAC and S/PDIF interface that makes it suitable for headset, headphone, docking, speakers, and microphone applications. The internal MCU can also be developed to a lot of different applications, such as Microsoft™ Lync / Skype/VoIP device, Mobile Phone or Tablet/Slate docking device. The CM6642 is compatible with USB Audio Class 1.0 and USB 2.0 Full-Speed, thus it can plug & play without any additional software installation on major operating systems. The internal DAC support from 44.1~192 KHz and ADC support from44.1~192 KHz sampling rate with 16/24 bits resolution.
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