AD1987 Datasheet | Analog Devices

FEATURES EIGHT 192 k Hz DACs Four independent stereo DAC pairs 7.1 surround sound or 5.1 stereo out plus independent headphone Independent 8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, 96, 176.4, and 192 k Hz sample rates 16, 20, and 24-bit PCM resolution Selectable stereo mixer on outputs High Definition Audio Sound MAX Codec AD1987 DEDICATED AUXILIARY PINS Stereo CD/auxiliary I/O port w/GND sense Mono out pin for internal speakers or telephony ENHANCED FEATURES Three stereo headphones Microsoft Vista Premium logo for desktop 95 d B audio outputs, 90 d B audio inputs Internal 32-bit arithmetic for greater accuracy Impedance and presence detection on all jacks Retaskable jacks Four independent microphone bias pins Digital and analog PCBeep C/LFE channel swapping Two general-purpose digital I/O (GPIO) pins Advanced power management modes 48-lead, Pb-free LFCSP_VQ package FOUR 96 k Hz ADCs Two independent stereo ADC pairs Simultaneous record of up to four channels Independent 8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, and 96 k Hz sample rates 16, 20, and 24-bit PCM resolution Support for quad microphone arrays S/PDIF OUTPUT Supports 44.1, 48, 88.2, 96, 176.4, and 192 k Hz sample rates 16, 20, and 24-bit data; PCM, AC3 .. Digital PCM gain control D IG IT A L P C B E EP A D 19 87 S /P D IF T x DAC3 DAC2 H D A U D I O I N T E R F A C E DAC1 DAC0 S /P D IF O U T ⌺ ⌺ ⌺ ⌺ ⌺ ⌺ PO R T F PO R T G PO R T D PORT H MONO OUT PORT E PORT A PORT B PORT C G P IO ⌺ ⌺ ⌺ A DC1 ADC0 ⌺ Figure 1. AD1987 Block Diagram Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their...