A HiFi USB Audio Dac based on the TI Burr-Brown PCM1792a DAC and the ADUM3160 USB Isolator. The Eagle project files are lost, unfortunately. Custom built double sided PCB. Still working after 3+ years of constant use.
Rares212/USB-HiFi-Audio-DAC-With-Isolator-Board
A HiFi USB Audio Dac based on the TI Burr-Brown PCM1792a DAC and the ADUM3160 USB Isolator. The Eagle project files are lost, unfortunately :(