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參數(shù)資料
| 型號： | AD1984 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | High Definition Audio SoundMAX Codec |
| 中文描述： | 高清晰度音頻SoundMAX編解碼器 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 283K |
| 代理商： | AD1984 |
AD1984
Rev. 0
|
Page 7 of 20
|
January 2007
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/
POWER DOWN STATES
Parameter
Function node in D0, all nodes active
Function node in D3
1
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
DM_FLT pair powered down saves (each)
DM_CLK powered down saves
2
MIC_BIAS powered down saves
3
ID
VDD
Typ
58
21
3
IA
VDD
Typ
31
2
3
Unit
mA
mA
mA
1
Function node D3 state powers down all nodes except for the V
, Mixer and MIC_BIAS nodes which have independent power controls. V
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.
2
Test conditions: 30 pF load, 2.0 MHz frequency, 3.3 V A
VDD.
3
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
5
0
0
5
3
2
0
1
0.5
mA
mA
mA
mA
mA
mA
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD1984A | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX Codec |
| AD1984AJCPZ | 制造商:Analog Devices 功能描述: |
| AD1984AJCPZ-CH | 制造商:Conexant Systems 功能描述: 制造商:Conexant Systems Inc 功能描述: |
| AD1984AJCPZ-RL | 制造商:Analog Devices 功能描述: |
| AD1984B | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX Codec |
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