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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)： | 6/20頁 |
| 文件大小： | 283K |
| 代理商： | AD1984 |
Rev. 0
|
Page 6 of 20
|
January 2007
AD1984
MICROPHONE BIAS
MIC_BIAS-B, MIC_BIAS-C
MIC_BIAS_IN (Pin 33) = +5 V or +3.3 V
MIC_BIAS_IN (Pin 33) = +5 V
MIC_BIAS_IN (Pin 33) = +3.3 V
V
REF
Setting = Hi-Z
V
REF
Setting = 0 V
V
REF
Setting = 50%
V
REF
Setting = 80%
V
REF
Setting = 100%
V
REF
Setting = 80%
V
REF
Setting = 100%
Hi-Z
0
1.65
3.7
3.9
2.86
3.0
V dc
V dc
V dc
V dc
V dc
V dc
MIC_BIAS-E (When enabled as BIAS)
V
REF
Setting = Hi-Z
V
REF
Setting = 0 V
V
REF
Setting = 50%
V
REF
Setting = 80%
V
REF
Setting = 100%
Hi-Z
0
1.65
2.86
3.0
V dc
V dc
V dc
V dc
V dc
Output Drive Current
GPIO 0
Input Signal High (V
IH
)
Input Signal Low (V
IL
)
Output Signal High (V
OH
)
Output Signal Low (V
OL
)
Input Leakage Current (Signal High) (I
IH
)
Input Leakage Current (Signal Low) (I
IL
)
GPIO 1 and 2
Input Signal High (V
IH
)
Input Signal Low (V
IL
)
Output Signal High (V
OH
)
Output Signal Low (V
OL
)
Input Leakage Current (Signal High) (I
IH
)
Input Leakage Current (Signal Low) (I
IL
)
DM Clock
Output Signal High (V
OH
)
Output Signal Low (V
OL
)
DM 1/2 and 3/4
Input Signal High (V
IH
)
Input Signal Low (V
IL
)
Input Leakage Current (Signal High) (I
IH
)
Input Leakage Current (Signal Low) (I
IL
)
POWER SUPPLY
Analog (AV
DD
) 3.3 V
±
5%
Power Supply Range
Power Dissipation
Supply Current
Digital (DV
DD
) 3.3 V
±
10%
Power Supply Range
Power Dissipation
Supply Current
Digital I/O (DV
IO
) 3.3 V
±
10%
Power Supply Range
Power Dissipation
Supply Current
Power Supply Rejection (reference to f
S
100 mV p-p Signal @ 1 kHz)
1
V
REF
Setting = 50%, 80%, or 100%
1.6
mA
DV
IO
×
0.60
0
DV
IO
×
0.72
0
DV
IO
DV
IO
×
0.24
DV
IO
DV
IO
×
0.10
V
V
V
V
nA
μ
A
I
OUT
= –500
μ
A
I
OUT
= +1500
μ
A
–150
–50
AV
DD
×
0.60
0
AV
DD
×
0.72
0
AV
DD
AV
DD
×
0.24
AV
DD
AV
DD
×
0.10
V
V
V
V
nA
μ
A
I
OUT
= –500
μ
A
I
OUT
= +1500
μ
A
–150
–50
I
OUT
= –500
μ
A
I
OUT
= +1500
μ
A
AV
DD
×
0.72
0
AV
DD
AV
DD
×
0.10
V
V
AV
DD
×
0.60
0
AV
DD
AV
DD
×
0.24
V
V
nA
nA
–150
–50
3.13
3.30
99
31
3.46
V
mW
mA
2.97
3.30
162
58
3.63
V
mW
mA
2.97
3.30
3.96
1.2
80
3.63
V
mW
mA
dB
1
Guaranteed but not tested.
2
Measurements reflect main ADC.
3
RMS values assume sine wave input.
Parameter
Min
Typ
Max
Unit
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相關(guān)代理商/技術(shù)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: |
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| 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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