High Definition Audio
SoundMAX Codec
AD1882
FEATURES
DEDICATED AUXILIARY PINS
Stereo CD input w/GND sense
Six 96 kHz DACs
Mono out pin for internal speakers or telephony
Analog PCBeep input pin
Three independent stereo DAC pairs
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
Selectable stereo mixer on outputs
ENHANCED FEATURES
Two stereo headphone amplifiers
Microsoft Vista Premium logo for notebook and desktop
95 dB audio outputs, 90 dB audio inputs
Internal 32-bit arithmetic for greater accuracy
Impedance and presence detection on all jack pins
Digital synthesis PCBeep
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
C/LFE channel swapping
Two general-purpose digital I/O (GPIO) pins
Advanced power management modes
EAPD control for internal speakers
16-, 20-, and 24-bit resolution
S/PDIF OUTPUT
Supports 44.1, 48, 88.2, and 96 kHz sample rates
16-, 20-, and 24-bit data widths; PCM and AC3 formats
Digital PCM gain control
48-lead, Pb-free LFCSP_VQ package
AD1882
DIGITAL
BEEP
DAC0
PORT F
⌺
H
HP
PORT D
PORT G
DAC1
D
⌺
⌺
⌺
⌺
A
U
D
I
DAC2
MONO OUT
PORT A
O
HP
I
N
T
E
R
F
A
C
E
⌺
⌺
PORT C
PORT E
⌺
ADC0
ADC1
PCBEEP
PORT B
CD IN
Figure 1. AD1882 Block Diagram
Rev. 0
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