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Noise Cancelling microphone EMC9752 condenser microphone -ESUNTECH

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  • EMC9752

9.7mmx5.2mm  Omni-directional Noise Cancelling mini capacitive microphone condenser mic capsule 4015  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%

Parameter Symbol Condition Limits Unit



Min. Center Max.
Sensitivity S 0dB=1V/Paat 1kHz -58 -54 -50 dB
Output impedance Z out f=1kHz

2.2
Current Consumption IDSS VCC =1.5V,RL=0.68KΩ

500 µA
Signal to Noise Ratio S/N at 1kHz S.P.L=1Pa 50

dB
(A-Weighted Curve)
Decreasing Voltage ΔS-VS VCC=2.0V to1.0V

-3 dB
Operating Voltage

1
10 V
Maximum input S.P.L



110 dB

3

图片7

TEST CIRCIUT

Vs:Source Voltage 1.5 V   RL:Load Resistance 0.68

QQ截图20190715163732

Test Setup Drawing

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