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Analog Devices Semiconductor Electronic Components Datasheet



AD1884A

High Definition Audio SoundMAX Codec


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AD1884A pdf
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
www.DataSheeItm4Up.ecdomance 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
High Definition Audio
SoundMAX Codec
AD1884A
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
DAC0
H
D D AC1
A
U
D S/PDIF OUT
I
O
I DIGITAL
N PCBEEP
T
E
R
F ADC0
A
C
E ADC1
6 HP
6 HP
6
6
6
6
Figure 1. Functional Block Diagram
PORT A
PORT D
MONO OUT
PORT E
PORT F
PC BEEP
PORT B
PORT C
AD1884A
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 change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106 U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2008 Analog Devices, Inc. All rights reserved.



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AD1884A pdf
AD1884A
TABLE OF CONTENTS
Features ................................................................. 1
Revision History ...................................................... 2
General Description ................................................. 3
Additional Information .......................................... 3
Jack Configuration ................................................ 3
Specifications .......................................................... 4
Test Conditions .................................................... 4
Performance ........................................................ 4
www.DataShGeeetn4eUr.acloSmpecifications ............................................ 4
HD Audio Link Specification ................................... 7
Power-Down States ............................................... 7
Absolute Maximum Ratings .................................... 8
ESD Caution ........................................................ 8
Environmental Conditions ...................................... 8
Pin Configuration and Function Descriptions ................. 9
Audio Widgets ...................................................... 12
HD Audio Parameters ............................................. 13
HD Widget Parameters ........................................... 14
Connection List ..................................................... 15
Default Configuration Bytes ..................................... 16
Outline Dimensions ............................................... 17
Ordering Guide ..................................................... 17
REVISION HISTORY
3/08—Revision 0: Initial Version
Rev. 0 | Page 2 of 20 | March 2008



Part Number AD1884A
Description High Definition Audio SoundMAX Codec
Maker Analog Devices - Analog Devices
Total Page 20 Pages
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