AD1984 Datasheet, PDF (1/20 Pages) Analog Devices – High Definition Audio SoundMAX Codec

a
FEATURES
FOUR 192 kHz 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 kHz sample rates
16, 20, and 24-bit resolution
Selectable stereo mixer on outputs
4-CHANNEL DIGITAL MICROPHONE INTERFACE
Four 192 kHz 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 kHz sample rates
16, 20, and 24-bit resolution
High Definition Audio
SoundMAX^® Codec
AD1984
S/PDIF OUTPUT
Supports 44.1, 48, 88.2, 96, 176.4, and 192 kHz 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+ dB audio outputs, 90+ dB 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
H
DAC1
D
DAC0
A
U
D
S/PDIF OUT
I
O
DM_1/2
I
DIGITAL
MICROPHONE
DM_3/4
N
DM_CLK
T
E
DIGITAL
R
PCBEEP
F
A
C
ADC0
E
ADC1
⌺
HP
⌺
HP
⌺
⌺
⌺
⌺
Figure 1. Functional Block Diagram
AD1984
PORT A
PORT D
MONO OUT
PORT E
PORT F
PCBEEP
PORT C
PORT B
Rev. 0
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