CM6646X1 Datasheet PDF (USB 2.0 High Speed Audio Codec)

CM6646X1 - USB 2.0 High Speed Audio Codec

Download the CM6646X1 datasheet PDF (CM6646X1-C included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for usb 2.0 high speed audio codec.

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.

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.

📥 Download Datasheet

CM6646X1 usb 2.0 high speed audio codec by C-Media - Datasheet Preview — 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
Datasheet	CM6646X1 Datasheet

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Full PDF Text Transcription

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CM6646X1 USB 2.0 High Speed Audio Codec 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. Moreover, the CM6646X1 supports I2C, SPI, UART and GPIOs to communicate with external device. There are 5 bands EQ for both playback and recording interface to compensate the frequency response of speaker or MIC unit or to fulfill personal listening experience. The CM6646X1 is embedded with 8051 MCU and 512KB flash makes it is very flexible to change the USB topology or communicate with external device by changing internal flash code.

Published: Feb 5, 2025 |