High Definition Audio

SoundMAX Codec

AD1884A

Rev. 0

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FEATURES

Microsoft Vista Premium Logo for notebook

90+ dB audio outputs, 85 dB audio inputs

WLP 3.0 and 4.0

2 stereo headphone amplifiers

Internal 32-bit arithmetic for greater accuracy

Impedance and presence detection on all jacks

Full analog mixer with DAC inputs

3 independent microphone bias pins

Digital and analog PCBeep

3 general-purpose digital I/O (GPIO) pins

3.3 V analog supply voltage

1.7 V to 1.9 V or 3.3 V digital supply voltages

1.5 V or 3.3 V HD Audio link signaling voltage

Advanced power management modes

48-lead, RoHS compliant LFCSP_VQ package

S/PDIF OUTPUT

Supports 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and

192 kHz sample rates

16-, 20-, and 24-bit data; PCM and AC3 formats

Digital PCM gain control

192 kHz DACs/ADCs

2 independent stereo DAC/ADC pairs

Simultaneous record of 2 stereo channels

Simultaneous playback of 2 stereo channels

Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,

44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz

sample rates

16-, 20-, and 24-bit resolution

Selectable stereo mixer on outputs

AUXILIARY PINS

Stereo CD/auxiliary I/O port with ground sense

Stereo auxiliary/dock I/O port

Mono out pin for internal speakers or telephony

Figure 1. Functional Block Diagram

ADC0

ADC1

DAC1

DAC0

DIGITAL

PCBEEP

HP

HP

PORT A

PORT D

PORT E

PORT F

MONO OUT

PORT B

PORT C

PC BEEP

H

D

A

U

D

I

O

I

N

T

E

R

F

A

C

E

AD1884A

S/PDIF OUT