AD1984 Datasheet | Analog Devices

FEATURES FOUR 192 k Hz DACs/ADCs Two independent stereo DAC/ADC pairs Simultaneous record of two stereo channels Simultaneous playback of two stereo channels 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 resolution Selectable stereo mixer on outputs High Definition Audio Sound MAX® Codec AD1984 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, and AC3 formats Digital PCM gain control DEDICATED AUXILLARY PINS Stereo CD/auxillary I/O port w/GND sense Stereo auxillary/dock I/O port Mono out pin for internal speakers or telephony ENHANCED FEATURES Two stereo headphone amplifiers Microsoft Vista premimum logo for notebook and desktop 96+ d B audio outputs, 90+ d B audio inputs Internal 32-bit arithmetic for greater accuracy Impedance and presence detection on all jacks Three independent microphone bias pins Digital and analog PCBeep Three general-purpose digital I/O (GPIO) pins 3.3 V analog and digital supply voltages Advanced power management modes 48-lead, Pb-free LFCSP_VQ package 4-CHANNEL DIGITAL MICROPHONE INTERFACE Four 192 k Hz digital microphone channels Supports multiple microphone types Two microphones per pin (four total) One microphone per pin (two total) Low pin count, uses 3 pins Stereo or quad array support 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 resolution H D A U D I O I N T E R F A C E DAC1 DAC0 ⌺ ⌺ ⌺ DM_1/2 PORT A PORT D MONO OUT PORT E PORT F PCBEEP S/PDIF OUT ⌺ ⌺ DIGITAL MICROPHONE DM_3/4 DM_CLK DIGITAL PCBEEP ⌺ PORT C PORT B ADC0 ADC1 Figure 1. Functional 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...