C-MEDIA骅讯 CM6631A 高价值USB2.0音频芯片

　　General features

　　Embedded USB2.0 transceiver (up to 480MB bandwidth)

　　Auto detection for high-speed/full-speed

　　GPIOpin for USB Audio Class 2.0 and 1.0 application mode configuration

　　Provides Self-power or Bus-power mode selection pin

　　Only single 12MHz crystal input is required (embedded PLL function) or optional oscillator inputs for 49.152/24.576MHz(for x48KHz) and 45.1584/22.5792MHz (for x44.1KHz)

　　Single 3.3V power supply (embedded 3.3V to 2.5V regulator for digital core)

　　3.3V digital 1/O pads with 5V tolerance

　　Industrial standard LQFP-100 package(16x16mm)

　　Applications

　　True HD USB DAC

　　USB2.0 Headphone Amplifier

　　Professional PC musician applications (recording interface, console, electrical guitar, etc.)

　　Consumer stereo systems with embedded USB audio (Boom Box, portable CD/FM/MP3players,Stereo Amplifier, etc.)

　　ExpressCard compatible USB2.0 audio adaptor

　　High-Fidelity USB2.0 wireless Headset

　　High-Fidelity USB2.0 2CH headphone

　　High-quality USB2.0 audio/gaming headset

　　USB2.0 VideoCam or Video Capture Box with mic/audio features