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CM119B - A Highly Integrated USB Audio

Download the CM119B datasheet PDF. This datasheet also covers the CM119B-C variant, as both devices belong to the same a highly integrated usb audio family and are provided as variant models within a single manufacturer datasheet.

General Description

The CM119B is a highly integrated, crystal-free USB audio single chip solution optimized for USB headset, headphone, and dongle applications such as VoIP (Voice over Internet Protocol).

Key Features

  • are programmable with jumper pins or external EEPROM. Vendors can customize unique USB VID/PID/Product String/Manufacture String and min/max/initial volumes to EEPROM. The CM119B also comes with an anti-pop noise circuits design and internal oscillator which can operate without an external crystal oscillator.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CM119B-C-MEDIA.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CM119B
Manufacturer C-MEDIA
File Size 467.07 KB
Description A Highly Integrated USB Audio
Datasheet download datasheet CM119B Datasheet

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Other Datasheets by C-MEDIA

Part Number Description
CM119BN A Highly Integrated USB Audio
CM119 USB I/O Controller
CM119A High Integration/Low Cost USB Audio Controller
CM118B Highly Integrated & Configurable USB Audio
CM108AH A High Integrated USB Audio I/O Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CM119B USB Audio Single Chip A Highly Integrated USB Audio Single Chip DESCRIPTION The CM119B is a highly integrated, crystal-free USB audio single chip solution optimized for USB headset, headphone, and dongle applications such as VoIP (Voice over Internet Protocol). All essential analog modules were embedded in the CM119B including dual DAC and earphone driver, ADC, microphone booster, PLL, regulator, and USB transceiver. It also supports 8GPIO pins. In addition, audio adjustment can be easily controlled via specific HID compliant volume control pins. Many features are programmable with jumper pins or external EEPROM. Vendors can customize unique USB VID/PID/Product String/Manufacture String and min/max/initial volumes to EEPROM.