Datasheet4U Logo Datasheet4U.com

CM6648 - USB Audio Sound Chip

Download the CM6648 datasheet PDF. This datasheet also covers the CM6648-C variant, as both devices belong to the same usb audio sound chip family and are provided as variant models within a single manufacturer datasheet.

Description

The CM6648 is a USB 2.0 high-speed audio chip with high performance audio codec which is targeting high-end USB type-C headset, microphone and USB-to-3.5mm Jack audio device.

Features

  • USB 2.0 full-speed and high-speed compliant.
  • USB UAC1.0/2.0 and ADC3.0 with LPM L1 feature.
  • USB human interface device (HID) class 1.1 compliant.
  • Support USB suspend/resume/reset functions.
  • Support control/interrupt/isochronous data transfers.
  • Audio data supports up to 32-bits data length and 384K sampling rate.
  • Embedded 8051 MCU with internal 256KB flash.
  • 2-Ch DAC 122dB SNR; 1-Ch ADC 99dB SNR.
  • Parametric 12 bands (6+6 bands) equalizer shared for pla.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CM6648-C-Media.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CM6648
Manufacturer C-Media
File Size 0.98 MB
Description USB Audio Sound Chip
Datasheet download datasheet CM6648 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
CM6696-B800BA-E CAMERA TRULY
CM600C1Y-24T IGBT Mitsubishi
CM600DU-24F Dual IGBT Module Powerex Power Semiconductors
CM600DU-24F IGBT Module Mitsubishi Electric
CM600DU-24NF IGBT Module Mitsubishi Electric Semiconductor

Other Datasheets by C-Media

Part Number Description
CM6642 USB 2.0 High-Speed Audio Codec
CM6646X1 USB 2.0 High Speed Audio Codec
CM6610A USB 2.0 High-Speed True HD Audio Processor
CM6620A USB 2.0 High-Speed True HD Audio Processor
CM6631 USB 2.0 High-Speed True HD Audio Processor

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
CM6648 USB Audio Sound Chip DESCRIPTION The CM6648 is a USB 2.0 high-speed audio chip with high performance audio codec which is targeting high-end USB type-C headset, microphone and USB-to-3.5mm Jack audio device. It combines stereo DAC and mono ADC, audio interface I2S, control interface I2C, and embedded flash to provide a highly-integrated audio solution. The CM6648 also supports UAC3.0 LPM L1 and is equipped with a stereo low power cap-free Class-G headphone amplifier of 122dB SNR and 96dB THD+N performance, providing longer battery life and Hi-Fi listening experiences. FEATURES  USB 2.0 full-speed and high-speed compliant  USB UAC1.0/2.0 and ADC3.0 with LPM L1 feature  USB human interface device (HID) class 1.
Published: |