Cirrus Logic

AC’97 Rev 2.2 compatible stereo CODEC DAC SNR 94dB, THD –85dB ADC SNR 87dB, THD –86dB Variable Rate Audio, supports all WinCE sample rates Tone Control, Bass Boost and 3D Enhancement On-chip 45mW headphone driver On-chip 400mW mono or stereo speaker drivers Stereo, mono or differential microphone input Automatic Level Control (ALC) Mic insert and mic button press detection Auxiliary mono DAC (ring tone or DC level generation) Seamless interface to wireless chipset Additional PCM/I2 S interface to support voice CODEC PLL derived audio clocks. Supports input clock ranging from 2.048MHz to 78.6MHz 1.8V to 3.6V supplies (digital down to 1.62V, speaker up to 4.2V) 7x7mm 48-lead QFN package