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PCM2706 Audio DAC with USB S/PDIF IC TQFP32_DAC_IC_Analog Metric - DIY Audio Kit Developer
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USB audio DAC
Work work work...: USB Audio Codec / soundcard Part 1
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USB DAC 2 - Hi-Resolution System
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Avian's Blog: More than just audio
USB SPDIF DAC with IC PCM 2902 - Electronic Circuit
PCM2900C / PCM2902C USB Stereo Audio Codecs - TI | Mouser
PCM270xC USB Stereo Audio DACs - TI | Mouser
How to Use an IC DAC : 6 Steps - Instructables
Build this Simple but amazing USB Audio interface for only $5 - Tataylino.com
USB Powered Audio Amplifier using MAX4298 - Electronics-Lab.com
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USB audio DAC
