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CM108B Datasheet A Highly Integrated Usb Audio Single Chip

Manufacturer: C-Media

Overview: CM108B USB Audio Single Chip A Highly Integrated USB Audio Single.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number CM108B
Manufacturer C-Media
File Size 412.62 KB
Description A Highly Integrated USB Audio Single Chip
Datasheet CM108B CM108B-C Datasheet (PDF)

General Description

The CM108B is a highly integrated crystal-free USB audio single chip solution optimized for USB headset, headphone, and dongle applications.

The CM108B comes with software driver interface which supports XearTM sound effects for multimedia entertainments.

All essential analog modules are embedded in the CM108B, including dual DAC and earphone driver, ADC, microphone booster, PLL, regulator and USB transceiver modules.

Key Features

  • are programmable with jumper pins or by external EEPROM. Audio adjustments are easily controlled via specific HID-compliant volume control pins. An external codec or audio DSP can be connected to the CM108B via I2S pin for further processing. Vendors can customize unique USB VID/PID/Product String/Manufacture String and min/max/initial volumes to EEPROM. The CM108B also comes with an anti-pop noise circuits design and internal oscillator which can operate without an external crystal oscillator.

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CM108B Distributor