CM6648, CM6648-C - USB Audio Sound Chip

C-Media

CM6648 Datasheet Preview — This datasheet PDF includes multiple part numbers: CM6648, CM6648-C. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	CM6648, CM6648-C
Manufacturer	C-Media
File Size	0.98 MB
Description	USB Audio Sound Chip
Datasheet	CM6648-C-Media.pdf
Note	This datasheet PDF includes multiple part numbers: CM6648, CM6648-C. Please refer to the document for exact specifications by model.

CM6648 Product details

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.

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Published: Jan 25, 2025 |