product

Name：USB DAC board

USB audio board ,USB 2.0 Full Speed Compatible and USB IF Certification

USB audio device class specification v1.0 Compatible

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