CM6631A datasheet(9/16 Pages) CMEDIA | USB 2.0 High-Speed True HD Audio Processor
New CM6631A Sound Card Digital Interface USB to I2S / SPDIF Coaxial 32Bit 192K | eBay
CM6631A Datasheet(PDF) - C-Media Electronics
Emotiva Audio - You're looking at some of the best technology in digital audio today: the AD1955 high-performance multibit sigma-delta DAC, the AD1896 asynchronous sample rate converter (ASRC), the C-Media CM6631 high-speed
C-Media CM6631A-based USB-I2S Interface | H i F i D U I N O
C-Media CM6631A-based USB-I2S Interface | H i F i D U I N O
USB 2.0 High-Speed True HD Audio Processor[RoHS] / CM6631A