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外形尺寸

ITEM
DIMENSION
TOLERANCE
UNITS
LENGTH(L)
3.50
±0.10
mm
WIDTH(W)
2.65
±0.10
mm
HEIGHT(H)
1.25
±0.10
mm
ACOUSTICPORT(AP)
Φ0.65
±0.05
mm
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规格特性
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Sensitivity
S
94dB SPL@1kHz
-25
-22
-19
dBFS
Signal-to-NoiseRatio
SNR
94dBSPL@1 kHz,A-weighted
61
dB(A)
TotalHarmonicDistortion
THD
94dB SPL@1 kHz,S =Typ
0.2
0.5
%
TotalHarmonicDistortion
THD
115dBSPL@1kHz,S=Typ
0.5
1
%
MaxInputSoundPressure
AOP
10%THD@ 1kHz,S =Typ
120
dBSPL
Power SupplyRejection
PSR
100mVppsquarewave @ 217 Hz,A-weighted
-90
-80
dBFS
OperatingFrequency
FCLOCK
1.024
2.048
3.250
MHz
ClockDutyCycle
40
50
60
%
PowersupplyVoltage
VDD
1.6
3.6
V
Polarity
Increasingsoundpressure
increasingdensityof1’s
TotalOperationCurrent
IDD
580
uA
StandbyCurrent
1.6V-3.6Vpowersupplyvoltage, Clock off
3
4
uA
Directivity
Omni-Directional
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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