AD1987 Datasheet, PDF (1/18 Pages) Analog Devices – High Definition Audio SoundMAX Codec

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High Definition Audio
SoundMAX Codec
AD1987
FEATURES
EIGHT 192 kHz 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 kHz sample rates
16, 20, and 24-bit PCM resolution
Selectable stereo mixer on outputs
FOUR 96 kHz 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 kHz 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 kHz sample rates
16, 20, and 24-bit data; PCM, AC3
Digital PCM gain control
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 dB audio outputs, 90 dB 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
S /P D IF Tx
S/P DIF O UT
D IG IT A L
PCBEEP
AD1987
DAC3
DAC2
H
D
DAC1
A
U
DAC0
D
I
O
I
N
T
E
G P IO
R
F
A
C
E
⌺
PORT F
⌺
PORT G
⌺
PORT D
⌺
PORT H
⌺
MONO OUT
⌺
PORT E
⌺
PORT A
⌺
PORT B
⌺
PORT C
⌺
ADC1
ADC0
Figure 1. AD1987 Block Diagram
Rev. 0
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