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外形尺寸
ITEM
DIMENSION
TOLERANCE
UNITS
LENGTH(L)
4.0
±0.10
mm
WIDTH(W)
3.0
±0.10
mm
HEIGHT(H)
1.0
±0.10
mm
ACOUSTIC PORT(AP)
Φ0.25
±0.05
mm
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规格特性
Parameter
Conditions
Min
Typ
Max
Unit
Directivity
Omni-Directional
Sensitivity
@1KHz(0 dB=1V/Pa)
-26
dBFS
SensitivityTolerance1
-1
1
SensitivityTolerance2
-3
3
Signal-to-NoiseRatio
@1KHz(0 dB=1V/Pa)
65
dB(A)
TotalHarmonicDistortion (THD) @ 94dB SPL
@1KHz
0.2
0.5
%
MaxInputSoundPressure
@1KHz,THD<10%
120
dBSPL
PowerSupplyRejection(PSR)
217Hz,100mVppsquarewave
-90
-80
dBFS
OperatingFrequency
1.024
2.048
3.250
MHz
ClockDutyCycle
40
50
60
%
PowersupplyVoltage
1.6
3.6
V
Sensitivity Loss Across Power Supply Voltage
Increasingsound
increasingdensityof1’s
TotalOperationCurrent
NoloadonDATA
580
uA
StandbyCurrent
Clockoff
3
4
uA
LOADCapacitance
100
pF
DataFormat
1/2Cycle1-bitPDM
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应用领域智能手机语音识别/通话降噪笔记本电脑视频会议/语音助手平板电脑语音输入/交互控制蓝牙耳机通话清晰/环境降噪有线耳机高保真录音/语音控制可穿戴设备语音助手/健康监测
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