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AD1984A Datasheet(PDF) 1 Page - Analog Devices

Part No. AD1984A
Description  High Definition Audio SoundMAX Codec
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1984A Datasheet(HTML) 1 Page - Analog Devices

 
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High Definition Audio
SoundMAX Codec
AD1984A
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.
FEATURES
Microsoft Vista Premium Logo for desktop
96+ dB audio outputs, 90 dB audio inputs
WLP 3.0 and 4.0
Security feature prevents unauthorized recording
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
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
STEREO DIGITAL MICROPHONE INTERFACE
Two 192 kHz digital microphone channels
Supports 1 or 2 microphones per pin
Selectable bit clock rates of 1.5 MHz, 2.0 MHz, and 3.0 MHz
Mono and stereo array support
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
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
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
DAC0
DM_CLK
DM_1/2
DM_2
DIGITAL
MICROPHONE
MONO OUT
PORT A
PORT D
PORT F
AD1984A
H
D
A
U
D
I
O
I
N
T
E
R
F
A
C
E
PORT B
PORT E
PORT C
DAC1
PCBEEP
HP
HP
DIGITAL
PCBEEP
S/PDIF


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