CM108B Overview
The CM108B is a highly integrated crystal-free USB audio single chip solution optimized for USB headset, headphone, and dongle applications. The CM108B es 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.
CM108B Key Features
- pliant with USB 2.0 Full Speed Operation
- pliant with USB Audio Device Class Specification v1.0
- Supports USB Suspend/Resume Mode and Remote Wakeup with Volume Control pins
- On-chip oscillator that provides reference sources for PLL and embedded USB transceiver
- Jumper pin for Headset Mode (Playback + Recording) and Speaker/Headphone Mode (Playback Only)
- Jumper pin for Mixer Unit enable/disable under Headset Mode and Power Mode setting
- I2S interfaces for external CODEC
- Anti-pop noise design for plugged and vice-versa
- 4 2 Ordering information
- 4 3 Features
CM108B Applications
- pliant with USB 2.0 Full Speed Operation
- pliant with USB Audio Device Class Specification v1.0
- Supports USB Suspend/Resume Mode and Remote Wakeup with Volume Control pins
- On-chip oscillator that provides reference sources for PLL and embedded USB transceiver
- Jumper pin for Headset Mode (Playback + Recording) and Speaker/Headphone Mode (Playback Only)
