Microphone

Noise Cancelling microphone EMC9750 condenser microphone

  • 9.7mmx5.2mm Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9750 9752 for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headph

  • Availability: Available
  • Brand: Esuntech
  • MODEL: EMC9750
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Product Description

9.7mmx5.2mm  Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9750 9752  for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headphone,medical,meter and instrument - Changzhou Esuntech Co Ltd.        

2

Test Conditions：VS=2.0V，RL=2.2KΩ,Temp=20±2°C, R.H=60±5%

ParameterSymbolConditionLimitsUnit



Min.CenterMax.
SensitivityS0dB=1V/Pa，at 1kHz-58-54-50dB
Output impedanceZ outf=1kHz

2.2KΩ
Current ConsumptionIDSSVCC =1.5V,RL=0.68KΩ

500µA
Signal to Noise RatioS/Nat 1kHz S.P.L=1Pa50

dB
(A-Weighted Curve)
Decreasing VoltageΔS-VSVCC=2.0V to1.0V

-3dB
Operating Voltage

1
10V
Maximum input S.P.L



110dB

3

图片7

TEST CIRCIUT

Vs:Source Voltage 1.5 V   RL:Load Resistance 0.68KΩ

QQ截图20190715163732

Test Setup Drawing

333 拷贝


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