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What is AD1884A?

This electronic component, produced by the manufacturer "Analog Devices", performs the same function as "High Definition Audio SoundMAX Codec".


AD1884A Datasheet PDF - Analog Devices

Part Number AD1884A
Description High Definition Audio SoundMAX Codec
Manufacturers Analog Devices 
Logo Analog Devices Logo 


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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
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 equivalent
Parameter
DIGITAL-TO-ANALOG CONVERTERS
Resolution
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)1
Interchannel Gain Mismatch (Difference of Gain Errors)
Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 20 kHz)1
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT)1
DAC VOLUMES
Step Size
Output Gain/Attenuation Range
Mute Attenuation of 0 dB Fundamental1
ADC VOLUMES
www.DataSheet4US.tceopmSize
PGA Gain/Attenuation Range
ANALOG MIXER
Signal-to-Noise Ratio Input to Output—Ports B, C, E, or F to Port D Output
Step Size: All Mixer Inputs
Input Gain/Attenuation Range: All Mixer Inputs
ANALOG LINE LEVEL OUTPUTS
Full-Scale Output Voltage
Ports A, D, E, F, and Mono Out
ANALOG HP DRIVE OUTPUTS
Full-Scale Output Voltage
Output Impedance1
External Load Impedance1
Output Capacitance1
External Load Capacitance
Ports A and D
ANALOG INPUTS
Input Voltages—Ports B, C, E, or F
Output Impedance1
External Load Impedance1
Output Capacitance1
External Load Capacitance1
Mic Boost = 0 dB
Min
–58.5
–58.5
–34.5
1.0
2.83
10
1.0
2.83
32
Input Voltages—Microphone Boost
Amplifier, Ports B, C, or E
Mic Boost = 10 dB
Mic Boost = 20 dB
Mic Boost = 30 dB
Input Impedance
PCBeep
Ports B, C, E (Mic Boost = 0 dB)
Port F
Input Capacitance1
Typ
24
–85
–95
1.5
–80
1.5
90
–1.5
190
15
15
1
2.83
0.316
0.894
0.1
0.283
0.032
0.089
23
150
45
5
AD1884A
Max
±10
±0.5
0
+22.5
+12.0
1000
0.5
1000
Unit
Bits
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V rms
V p-p
Ω
kΩ
pF
pF
V rms
V p-p
Ω
Ω
pF
pF
V rms
V p-p
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
kΩ
kΩ
7.5 pF
Rev. 0 | Page 5 of 20 | March 2008


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Featured Datasheets

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AD1884AThe function is High Definition Audio SoundMAX Codec. Analog DevicesAnalog Devices

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