Feature
ENHANCED Three stereo headphone amps AD1988A: Windows Vista™ Operating System Premium Logo compliant 95 dB outputs 90 dB audio inputs AD1988B: Windows Vista Premium Logo compliant and Dolby Master Studio™ compliant 101 dB outputs 92 dB audio inputs Internal 32-bit arithmetic for greater accuracy Impedance and presence detection on all jacks Analog PCBEEP and digital synthesis BEEP C/LFE channel swap Two general-purpose digital I/O (GPIO) pins 3.3 V analog and digital supplies Reduced support components Advanced power management modes 48-pin LQFP and LFCSP_VQ package options, Pb-free Supports Andrea Active Noise Reduction headphones Hardware volume control Built-in microphone gain amps Adjustable microphone bias pins
