Product Overview

The Conexant CX20988 is a highly-integrated, low-cost USB audio CODEC that is optimized for USB Type C headset applications. The device features 24-bit stereo playback and record paths for music and voice communication applications. Sampling rates up to 48kHz are supported on both paths. The CX20988 features a five-band parametric EQ for playback, a two-band EQ for recording, adjustable microphone boost in 3dB steps, stereo line input, and a stereo headphone driver.
Host InterfaceUSB / UART
Digital Audio Peripheral Bridge InterfaceNo
Integrated Speaker AmplifierNo
On-Chip Signal ProcessingEQ/DRC
Analog Stereo Inputs2
Digital Microphone Inputs1
Speaker SupportNo


USB-C Headset