Cirrus Logic, Inc. Low Power Smart Codec with Ambient Noise Cancelation and Echo Cancelation WM8281

The WM8281 is a highly integrated low-power audio system that combines an advanced DSP feature set with a flexible, high-performance codec. The programmable DSP cores support advanced audio features, including multi-mic wideband noise reduction, high-performance acoustic echo cancelation (AEC), stereo ambient noise cancelation (ANC), speech enhancement, advanced media enhancement, and many more. Features 600 MIPS, 600 MMC multi-core audio-signal processor Programmable wideband, multi-mic audio processing Multi-channel asynchronous sample rate conversion Integrated 6/8 channel 24-bit hi-fi audio codec Analog and digital microphone inputs Multi-purpose headphone / earpiece / line output drivers Stereo Class D speaker output drivers Four-channel digital speaker (PDM) interface SLIMbus audio and control interface 3 full digital audio interfaces Flexible clocking interface Advanced accessory detection feature Configurable functions on GPIO pins Integrated LDO regulators and charge pumps Small WLCSP package, 0.4mm pitch