Active Noise Cancellation, Ambient Inclusion USB-C Headsets

Conexant’s CX20888 audio stereo CODEC is a single chip solution for USB-C compliant active noise cancellation (ANC) and ambient noise inclusion headsets. USB-C enables higher data speeds and faster charging in a single cable. The CX20888 also includes a “Wake-on-Voice” trigger for audio-sensing applications. The chip includes a stereo 24-bit DAC and ADC for music and voice applications with a sampling rate up to 96KHz. No external crystal is needed and the 5mm x 5mm BGA package minimizes space requirements. The chip provides-ultra low power consumption and wind-noise cancellation for smartphone headset applications.