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CM6648 - USB Audio Sound Chip

Download the CM6648 datasheet PDF (CM6648-C included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 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.

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

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Full PDF Text Transcription

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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.
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