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CM6648 is a USB 2.0 high-speed audio chip with high performance audio codec which is targeting high-end USB type-C headset QFN48

Manufacturer Product Number
CM6648
Description

CM6648 is a low power consumption and high audio quality chip

Package Condition
REEL

Product Descriptions

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.
 

Product Benefits

  • UBS 2.0 high-speed interface supports audio data up to 384K/32bits

  • USB 2.0 High-Speed with UAC1.0/2.0 and 3.0 LPM L1

  • High-performance audio codec of 122dB SNR Stereo DAC and 99dB SNR Mono ADC

  • Embedded 8051 MCU with internal 256KB flash

  • Ultra-low-power consumption: 19mA @idle / 35mA @active


Product Features

USB Compliance

  • USB 2.0 Full-Speed and High-Speed

  • USB Audio Class 1.0/2.0 and 3.0 LPM L1  

  • Audio data supports up to 32-bits data length and 384K sampling rate

 
Audio I/O

  • 2-Ch DAC 122dB SNR and 96 THD+N

  • 1-Ch ADC 99dB SNR and 95 THD+N

  • EQ 12 bands (6+6 bands) shared for playback or record path

  • Audio Data

    • Playback path: 44.1K~384KHz with 16/24/32-bits

    • Recording path: 44.1K~192KHz with 16/24-bits

    • Side-Tone path: 44.1K~192KHz with 16/24-bits

 
Control Interfaces

  • Embedded 8051 MCU and 256KB flash memory

  • Master I2C control interface

  • Max. 4 GPIOs configurable, 2 of them can be set to PWM for LED dimming

 
General

  • Support jack detection Wake-Up

  • Support 3-pole and 4-pole headset with OMTP and CTIA jack detection

  • Support Crystal-less and external crystal

  • Ultra-low-power: 0.4mA @suspend, 26mA @active

  • Package QFN-48 (6.5X5mm)

  Specifications

Attribute Attribute value
ANSM-Part# ANSM-CM6648
Type: Audio chip
Manufactor Cmedia
DC Standard
Describe NEW
Supplier Device Packaging QFN48
Package REEL
Type USB Audio
Sampling rate 384K/32bit
Rate High Speed

Actual product photos

QFN48

Payment&Transportation

详情8.1

Official Certificate&Certificate

详情页3.1

Multiple product supply

详情5.1

Company office environment

详情6.1

Warehouse Real Shot

170019007688325e.png

Standard packaging

详情9

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CM6648 is a USB 2.0 high-speed audio chip with high performance audio codec which is targeting high-end USB type-C headset QFN48

CM6648 is a low power consumption and high audio quality chip

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