The NAU88C22 is a low-power 24-bit stereo audio CODEC with integrated ADCs, DACs, headphone and speaker drivers, mic preamps, and line outputs, supporting sample rates from 8kHz to 192kHz. With built-in DSP features including a 5-band EQ, 3D audio, ALC, DRC and noise reduction, it reduces external components and simplifies portable and general-purpose audio designs while delivering high-quality playback and recording.