●HD Audio Codec with 2W Class-D, Capless HP, Retasking, and SPDIF Out
●Overview
●Conexant"s CX20672 is a low-power, 102 dB SNR HD Audio codec with integrated 2-WRMS stereo Class-D using Spread Spectrum dispersion technology to prevent EMI. Two independent pairs of DACs and three independent pairs of ADCs support multi-Streaming and Real Time Communications applications. The audio fidelity of the device exceeds Microsoft Premium Logo requirements.
●A ProCoustic capless headphone driver delivers 31 mW per channel into 32 Ω loads and eliminates external DC blocking capacitors. Two retaskable ports are available allowing Microphone/Line in and Microphone/Line In/Line Out retasking. All output ports feature PopShield technology that eliminates pops and clicks.
●Features
● 2 pairs of independent DACs and 3 pairs of independent ADCs
● Sampling rates include 16-bit, 44.1 kHz to 24-bit, 192 kHz for DACs, and from 16-bit, 44.1 kHz to 24-bit; 96 kHz
●for ADCs.
● Integrated 2 WRMS (per channel) Class-D stereo speaker amplifier
● Capless headphone eliminates BOM
● Two retaskable ports
● Stereo Digital Microphone interface
● Integrated boost for all microphones
● One independent SPDIF output
● Integrated regulators maximize performance
● Record Security Control
● Integrated headphone limiter (GS Mark)
● D-Flex Power Management
● Wake on PC BEEP
● PopShield eliminates pops and clicks
● Fidelity exceeds Microsoft WHCK requirements
● Jack sense detects up to 4 jacks
● Digital Mixer
● Compliant with all Intel High Definition Audio Specifications
● Selectable 1.5V/3.3 V link signaling
● Available in 40-QFN package