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AD1884 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD1884
Description  High Definition Audio SoundMAX Codec
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1884 Datasheet(HTML) 6 Page - Analog Devices

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AD1884
Parameter
Min
Typ
Max
Unit
MICROPHONE BIAS
MIC_BIAS-B, MIC_BIAS-C
MIC_BIAS_IN (Pin 33) = +5 V or +3.3 V
VREF Setting = Hi-Z
VREF Setting = 0 V
VREF Setting = 50%
MIC_BIAS_IN (Pin 33) = +5 V
VREF Setting = 80%
VREF Setting = 100%
MIC_BIAS_IN (Pin 33) = +3.3 V
VREF Setting = 80%
VREF Setting = 100%
MIC_BIAS-E (When enabled as BIAS)
VREF Setting = Hi-Z
VREF Setting = 0 V
VREF Setting = 50%
VREF Setting = 80%
VREF Setting = 100%
Output Drive Current
VREF Setting = 50%, 80%, or 100%
Hi-Z
0
1.65
3.7
3.9
2.86
3.0
Hi-Z
0
1.65
2.86
3.0
1.6
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
mA
GPIO 0
Input Signal High (VIH)
Input Signal Low (VIL)
Output Signal High (VOH)
IOUT = –500 μA
Output Signal Low (VOL)
IOUT = +1500 μA
Input Leakage Current (Signal High) (IIH)
Input Leakage Current (Signal Low) (IIL)
DVIO × 0.60
0
DVIO × 0.72
0
–150
–50
DVIO
DVIO × 0.24
DVIO
DVIO × 0.10
V
V
V
V
nA
μA
GPIO 1 and 2
Input Signal High (VIH)
Input Signal Low (VIL)
Output Signal High (VOH)
IOUT = –500 μA
Output Signal Low (VOL)
IOUT = +1500 μA
Input Leakage Current (Signal High) (IIH)
Input Leakage Current (Signal Low) (IIL)
AVDD × 0.60
0
AVDD × 0.72
0
–150
–50
AVDD
AVDD × 0.24
AVDD
AVDD × 0.10
V
V
V
V
nA
μA
POWER SUPPLY
Analog (AVDD) 3.3 V ±5%
Power Supply Range
Power Dissipation
Supply Current
Digital (DVDD) 3.3 V ±10%
Power Supply Range
Power Dissipation
Supply Current
Digital I/O (DVIO) 3.3 V ±10%
Power Supply Range
Power Dissipation
Supply Current
Power Supply Rejection (reference to fS 100 mV p-p Signal @ 1 kHz)
1
3.13
2.97
2.97
3.30
99
31
3.30
162
58
3.30
3.96
1.2
80
3.46
3.63
3.63
V
mW
mA
V
mW
mA
V
mW
mA
dB
1 Guaranteed but not tested.
2 Measurements reflect main ADC.
3 RMS values assume sine wave input.
HD–AUDIO LINK SPECIFICATION
High-definition audio signals comply with the High-definition
Audio specification. Please refer to these specifications at:
http://www.intel.com/standards/hdaudio/
Rev. 0
|
Page 6 of 16
|
January 2007


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