The NAU8814YG is an audio codec IC manufactured by Nuvoton. It is a low-power, high-performance codec that can be used in applications such as home, automotive, and consumer audio systems. It contains 24 pins in a QFN-24 package and is RoHS compliant. It features differential outputs in analog and digital domains, allowing for a broad range of audio input and recording capabilities. It also features a high-pass filter for bass enhancement and an automatic microphone biasing circuit. The NAU8814YG provides support for USB, I2S and TDM audio formats, making it a suitable choice for audio applications.