AD1989B Просмотр технического описания (PDF) - Analog Devices
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AD1989B Datasheet PDF : 20 Pages
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AD1989B
HD AUDIO LINK SPECIFICATION
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
Parameter
Function Node in D0, All Nodes Active
Function Node in D3
Codec in RESET
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 Saves1, 2
IDVDD Typ
IAVDD Typ
Unit
73
49
mA
24
1
mA
3
3
mA
6
5
mA
6
3
mA
0
2
mA
0
0.1
mA
1 Powering down the MIC_BIAS powers down all port MIC_BIAS pins. This disables all microphone bias circuits, setting them to the high-Z state.
2 Test conditions: 30 pF load, 2.0 MHz frequency, 3.3 V AVDD.
Rev. 0 | Page 7 of 20 | August 2008
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