PCM1822 Stereo Channel Audio ADC Texas Instruments PCM1822 Stereo Channel Audio Analog-to-Digital Converter (ADC) is a high-performance audio ADC supporting simultaneous sampling of up to two analog channels. The device supports single-ended and differential line and microphone inputs with a 1VRMS full-scale signal. The device integrates a DC removal high-pass filter (HPF), a phase-locked loop (PLL) and supports sample rates up to 192kHz. The device supports I2S audio formats or time-division multiplexing (TDM), selectable with the hardware pin level.