The CM108B is a single-chip USB audio controller manufactured by C-Media Electronics. It's a highly integrated solution designed for USB audio applications, providing a cost-effective and compact way to add audio input and output capabilities to various devices.

Applications:

• USB headsets
• USB speakers
• USB audio adapters
• VoIP phones
• Gaming peripherals
• USB sound cards

Features:

• USB 2.0 Full-Speed compliant
• Integrated stereo audio codec
• Supports 48KHz/44.1KHz sampling rate for playback and recording
• Embedded USB transceiver
• Supports microphone input and headphone output
• Volume control via USB

Benefits:

• Easy integration into USB audio devices
• Cost-effective solution for adding audio functionality
• High-quality audio performance
• Plug-and-play compatibility
• Small footprint for space-constrained applications
• Reduced BOM (Bill of Materials) cost

Additional Details:

The CM108B typically requires minimal external components, simplifying the design process. It utilizes a standard USB audio class driver, making it compatible with most operating systems without requiring custom drivers. The controller supports basic audio functions such as playback, recording, and volume control, making it suitable for a wide range of consumer and industrial audio applications. The specific power consumption and operating voltage requirements can be found in the device's datasheet. C-Media provides comprehensive technical documentation and support for the CM108B, facilitating its integration into new and existing designs.