As [Jan-Erik] had already built a simple USB connected Digital-to-Analog Converter (DAC), he decided ... of the USB communication and outputs I2S audio data the PCM1794A, a 132dB SNR 24-bit ...
DAC (digital-to-analog converter) includes features like PS Audio's Digital lens technology, I2S inputs, and a Class A output stage.
An RCA audio jack takes a mono line level signal (1v peak to peak) for input. A small amount of conditioning circuitry decouples the signal from the source and adds a DC bias to shift it into the ...