USB Audio,PCIe audio,USB audio ic,USB sound chip
USB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chip

USB Audio,PCIe audio,USB audio ic,USB sound chip

USB Audio,PCIe audio,USB audio ic,USB sound chip
USB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chipUSB Audio,PCIe audio,USB audio ic,USB sound chip USB Audio,PCIe audio,USB audio ic,USB sound chip
USB Audio,PCIe audio,USB audio ic,USB sound chip
Home >> Product >> PCI/PCIe Audio >> CMI8738-LX
    USB Audio,PCIe audio,USB audio ic,USB sound chip

    CMI8738-LX

    Introduction

    With high-speed PCI V2.1 bus controller and built-in codec, CMI8738 is a highly-integrated world-only single audio chip designed for PC add-in sound cards and motherboard audio. CMI8738 series chips have been the most widely adopted cost-effective PCI audio chips in the world.

     

    CMI-8738 supports the legacy audio – SBPRO, FM emulator, MIDI MPU-401 port. 8738-SX supports 4-channel 16-bit DACs to provide surround audio. 8738-LX or MX supports 6-channel DACs for 5.1 home theater environments and meet PC99 audio performance requirements. CMI8738-MX also provides S/PDIF digital audio interface I/O for 44.1KHz and 48KHz LPCM audio.

    On the software side, CMI-8738 supports Cmedia Xear Living  and Cmedia Xear Voice with Windows Drivers. Linux driver is also available in most Linux OS versions. .

    Being outstanding for its full audio functions and comprehensive driver support, CMI-8738 series are the best choices for people seeking for optimum cost-effective entry-level solutions of the PC audio.

    Product benefit

    • Reduce cost in major components and narrow PCB footprint for entry level market
    • Mature high quality sound card reference design speeds up your products’ time to market
    • Complete testing tool available for fast mass production

    Product features

    • World only single chip solution with embedded codec saving customer total BOM cost
    • 32-bit PCI 2.1 compatible bus master.
    • 8738-LX/MX supports 6CH DAC 5.1 surround output for movies and 3D games.
    • 8738-SX supports 4CH DAC surround output for movies and 3D games.
    • 8738-MX provides additional digital interface S/PDIF IN/OUT (44.1K and 48KHz).
    • Built-in 32ohm earphone buffer.
    • Built-in 2CH 16bit ADC.
    • Supports full-duplex 44.1K/48KHz sample rate playback and recording at 16bit.
    • Supports analog mixer for Line-in, Mic-in, Aux, CD inputs.
    • Built-in Microphone pre-amplifier (+20dB).
    • MIDI MPU-401 port/ game port.
    • Built-in ZV port.
    • Legacy audio SBPRO compatible.
    • External E2PROM interface for custom Sub-VID/PID.
    • Digital power +3.3V, analog power +5V.
    • Industrial 128-pin QFP package

    Block Diagram