Audio codec WM8963

The ultra low power WM8963 stereo codec features a programmable audio enhanced DSP, 2 watt per channel speaker drivers and Class W headphone drivers. An integrated charge pump provides a ground referenced output that eliminates the need for DC-blocking capacitors on the headphone outputs and incorporates a dual-mode charge pump architecture to optimize efficiency and power consumption during playback. eatures DAC SNR 98dB (‘A’ weighted), THD -84 dB at 48 kHz, 1.8 V ADC SNR 94dB (‘A’ weighted), THD -85 dB at 48 kHz, 1.8 V Stereo Class D speaker driver 2 W per channel into 4 W BTL speakers 2 W mono mode (for improved THD) Flexible internal switching clock Class W ultra-low power headphone driver Up to 31 mW per channel output power at 1% THD+N Support for 2 stereo headphone outputs Ground Referenced Low offset (+/- 1.4 mV) Pop and click suppression Microphone Interface Four stereo, single-ended analogue inputs Digital microphone interface Integrated low noise MICBIAS Integrated LDO to generate MICVDD supply Programmable ALC / Limiter and Noise Gate