Microphone

Noise Cancelling microphone EMC9767-2C eletret microphone

  • 9.7mmx6.5mm Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9765 9767 for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headph

  • Availability: Available
  • Brand: Esuntech
  • MODEL: EMC9767-2C
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Product Description

9.7mmx6.5mm  Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 9765 9767  for household electrical appliances,computer,toy,telephone,cell phone,earphone,headset headphone,medical,meter and instrument - Changzhou Esuntech Co Ltd.        

2 拷贝

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

ITEMSymbolTest ConditionsMinStandardMaxUnit
Sensitivity  Sf=1KHz,-58-55-52   dB
S.P.L=1Pa0dB=1V/Pa
Impedance  Zf=1KHz,

2.2KΩ
S.P.L=1Pa
Directivity                  Omni-directional
Current  Consumption  I


500μA
Operation Voltage Range  VS
1210V
S/N Ratio S/N(A)f=1KHz, S.P.L=1Pa55

dB
A Curve
Decreacing Voltage Characteristic  △Sf=1KHz, S.P.L=1Pa

-3dB
VS=4.5-3.0V
Max.Input Sound Level MISPLf=1KHz,

115dB
Distortion≤3%

3

TEST CIRCIUT

Vs:Source Voltage2.0V   RL:Load Resistance2.2KΩ

  C1=10pF  C2=33pF


3

Test Setup Drawing

333



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