USB Audio

** avoid KMIxer  like the plague ** 

Burr Brown

The story of the PCMxx development: http://www.planetanalog.com/showArticle.jhtml?articleID=12801995

http://focus.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=582&uiTemplateId=NODE_STRY_PGE_T

http://www.thewelltemperedcomputer.com/HW/USB_DAC.htm

http://www.head-fi.org/

http://en.wikipedia.org/wiki/Audio_Compression_Manager#KMixer

PCM2702: http://www.electronics-lab.com/projects/pc/026/index.html

PCM2702 or PCM2707, feeds SPDIF to a better DAC.. so the PCM270x part is simply the USB->SPDIF interface..

http://www.overclockers.com.au/~mwp/dac3/

Alien DAC: http://www.myexposition.com/diy/usbdac/overview.html

http://www.ecp.cc/NOS-USB-DAC.html

PCM2902

http://www.pavouk.org/hw/usbdac/en_index.html

 

Isolating USB:

http://www.edn.com/index.asp?layout=article&articleid=CA6347257#USB-flow%20control

 

SPDIF

http://www.epanorama.net/documents/audio/spdif.html

Conversion (TTL - SPDIF etc) http://www.fet.uni-hannover.de/~purnhage/dat/spdif.txt

TI Simplifies Audio Design with a New Ultra Low-Jitter S/PDIF Receiver DIR9001

PCM2906 Status: ACTIVE Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Bus-powered (HID Interface + 500mA USB Current)
TPA6120A2 Status: ACTIVE High Fidelity Stereo Headphone Driver
PCM1794A Status: ACTIVE 24-Bit 192 kHz Stereo Audio DAC
DIR9001 Status: ACTIVE 96kHz Digital Audio Receiver    (SPDIF ultra low jitter receiver)

TPA6120A2: High Fidelity Stereo Headphone Driver
TPA6130A2: 138-mW DirectPath(TM) Stereo Headphone Amplifier with I2C Volume Control
TPA4411: 80-mW DirectPath(TM) Stereo Headphone Driver
TPA6111A2: Stereo Headphone Audio Amplifier, Pin Compatible with LM4880 and LM4881
PCM2906: Stereo USB1.1 CODEC with line-out and S/PDIF I/O, Bus-powered (HID Interface + 500mA USB Current)
PCM1796: 24 bit, 192kHz Stereo Audio DAC
PCM1798: PCM1798, 24-Bit, 192kHz Audio DAC
DIR9001: 96kHz Digital Audio Receiver