Content:

             USB audio board

u     USB 2.0 Full Speed Compatible and USB IF Certification 

u     USB audio device class specification v1.0 Compatible 

u     USB bus powered 500mA operation with suspend mode support 

u     USB audio function topology has 1 input terminal, 1 output terminal, and 1 feature unit

u     Embedded high performance 16 bit stereo audio DAC 

u     Embedded Digital Control Power Amplifier for Speaker Driving Embedded power on reset block and Power amplifier enable / disable control pin 

u     Embedded X2 Modulation for Higher Audio Quality 

u     Embedded Anti-Pop Circuit with Internal Feedback Structure 

u     Embedded 5V to 3.3V Regulator with Voltage Level Detector for Single 5V External Power Supply 

u     Alternate zero bandwidth setting for releasing bandwidth on USB bus during inactive operation 

u     Single 12MHz crystal input with on-chip PLL and embedded USB transceiver 

u     Support Dynamic Range Control (DRC) Feature to Provide a Better Listen Experience

u     Volume control input with simple external VR circuit 

u    
Isochroous transfer using adaptive synchronization with internal PLL

u     High performance 16-Bit Stereo, 48 / 44.1 KHz Sampling Rate for Audio Playback 

u     3.3V IO with 5V tolerance; 3.3V core logics design 

u     GPIO pin for application specific usage 

u     Support S/PDIF output interface 

u     LED Indicator Pin During Playback 

u     Compatible with Win 98SE / Win ME / Win 2000 / Win XP, and Mac OS 9 / OS Xwithout additional driver 

u     USB Software Drive Xear 3D Sound Technology With HRTF 3D, EAXTM, Speaker Shifter and Virtual 7.1CH effects for free bundle 

u     Compact 18 pin PDIP and SOP package