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Omni-directional microphone EMC9767 EMC9765 condenser microphone -ESUNTECH

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  • EMC9767(9765)

9.7mmx6.5mm  Omni-directional mini eletret 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.        

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Test Conditions:VS=4.5V,RL=2.2KΩ,Temp=20±2°C, R.H=60±5%

ITEM Symbol Test Conditions Min Standard Max Unit
Sensitivity   S f=1KHz, -43 -40 -37    dB
S.P.L=1μBar 0dB=1V/μBar
Impedance   Z f=1KHz,

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


500 μA
Operation Voltage Range  VS
1 4.5 10 V
S/N Ratio  S/N(A) f=1KHz, S.P.L=1Pa 60

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

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

120 dB
Distortion≤3%

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TEST CIRCIUT

Vs:Source Voltage 2.0 V   RL:Load Resistance 2.2

3

Test Setup Drawing

333

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