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CM6646X1 Datasheet USB 2.0 High Speed Audio Codec

Manufacturer: C-Media

Download the CM6646X1 datasheet PDF. This datasheet also includes the CM6646X1-C variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CM6646X1-C-Media.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CM6646X1
Manufacturer C-Media
File Size 1.07 MB
Description USB 2.0 High Speed Audio Codec
Download CM6646X1 Download (PDF)

General Description

The CM6646X1 is a USB 2.0 high-speed audio codec with 2-channel DAC and 2-channel ADC for Gaming Headset applications.

It supports two playback audio devices with independent volume control for game and chat.

It also supports mixing function for two playback audio devices.

Overview

CM6646X1 USB 2.0 High Speed Audio Codec.

Key Features

  • USB specification 2.0 full-speed/high-speed compliant.
  • USB audio class 2.0 compliant.
  • USB human interface device (HID) class 1.1 compliant.
  • Support USB suspend/resume/reset functions.
  • Support control, interrupt and isochronous data transfers.
  • Integrate 2-channel DAC and 2-channel ADC.
  • True Cap-less/zero-ground headphone driver with patent applied anti-pop technology.
  • Embedded oscillator for Crystal-less design.
  • Embedded 7-bits SAR ADC supports Combo.

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