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AD1882 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD1882
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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AD1882 Datasheet(HTML) 6 Page - Analog Devices

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Rev. 0
|
Page 6 of 16
|
July 2007
AD1882
HD-AUDIO LINK SPECIFICATIONS
HD-Audio signals comply with the High Definition Audio spec-
ifications. Please refer to these specifications at:
http://www.intel.com/standards/hdaudio/
POWER DOWN STATES
Digital GPIO Pins: GPIO_0, GPIO_1/EAPD
Input Signal High (VIH)DVIO × 0.60
DVIO
V
Input Signal Low (VIL)0
DVIO × 0.24 V
Input Leakage Current (Signal High, (IIH)
150
nA
Input Leakage Current (Signal Low, (IIL)50
μA
Output Signal High (VOH)IOUT = –500 μADVIO × 0.72
DVIO
V
Output Signal Low (VOL)IOUT = +1500 μA0
DVIO × 0.10 V
S/PDIF_OUT
Output Signal High (VOH)IOUT = –500 μADVIO × 0.72
DVIO
V
Output Signal Low (VOL)IOUT = +1500 μA0
DVIO × 0.10 V
POWER SUPPLY
Analog (AV
DD) 3.3 V ±5%
Power Supply Range
Power Dissipation
Supply Current
3.13
3.30
119
36
3.46
V
mW
mA
Digital (DVDD) 3.3 V ±10%
Power Supply Range
Power Dissipation
Supply Current
2.97
3.30
198
60
3.63
V
mW
mA
Digital I/O (DVIO) 3.3 V ±10%
Power Supply Range
Power Dissipation
Supply Current
2.97
3.30
3.96
1.20
3.63
V
mW
mA
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
1
80
dB
1 Guaranteed but not tested.
2 Measurements reflect main ADC.
3 RMS values assume sine wave input.
Table 4. AD1882 General Specifications (Continued)
Parameter
Min
Typ
Max
Unit
Table 5. Power Down States
Parameter
IDVDD Typ
IAVDD Typ
Unit
Function node in D0, all nodes active
60
36
mA
Function node in D3
1
1 Function node D3 state powers down all nodes except for the VREF, Mixer and MIC_BIAS nodes which have independent power controls. VREF should be kept active when
background functions such as jack presence detection or analog pass-through are required. Mixer should be kept active when analog pass-through is required. MIC_BIAS
can be disabled if microphones are not in use in the power-down state.
23
1.2
mA
Codec in RESET
33mA
Individual block power savings
DAC pair powered down saves (each)
ADC pair powered down saves (each)
Mixer power control (and associated amps) saves
MIC_BIAS powered down saves2
2 Powering down the MIC_BIAS powers down all port MIC_BIAS pins. This disables all microphone bias circuits set to 100% or 50%, setting them to the Hi-Z state. The
0 Ω and Hi-Z states remain unaffected by the MIC_BIAS power state.
6
5
0
0
6
4.4
3
1.0
mA
mA
mA
mA


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