The PCM1840IRTWR with Audio A/D Converter ICs Quad-channel 32-bit 192-kHz audio analog-to-digital converter (ADC) 24-WQFN -40 to 125 manufactured by Texas Instruments is an integrated circuit that converts analog audio signals into digital signals of up to 192-kHz resolution. The device is based on a quad-channel design with 32-bit resolution and a 24-lead WQFN package, allowing it to operate in a wide temperature range from -40 to 125 degrees Celsius. It is designed to be used in audio applications such as multi-channel surround sound systems, recording equipment, video game consoles, and automotive sound systems. The device features an on-board digital filter, an integrated reference voltage, and various I/O ports. Additionally, the device is designed to be low power and low noise, offering an efficient solution for audio analog-to-digital conversion.