The PCM6020 is a high-performance analog-to-digital converter (ADC) integrated circuit from the Analog Devices family. It features a wide range of input options for audio signals, including 16-bit, 20-bit, 24-bit, and 32-bit conversion capabilities at sampling rates up to 768 kHz. The device is designed with multiple interface options, such as I²C, I²S, and SPI, which provide flexibility in system integration.