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M4015

1.Thisspecificationis appliedto backelectretcondensermicrophoneunitModelEM-4015MP 2.Measuringconditions:Temperature20℃+2℃,humidity60%~80%. 3.Appearanceanddimension:asperFig.1 4.ElectricalSpecification
产品描述

1.This specification is applied to back electret condenser microphone unit ModelEM-4015MP

 

2.Measuring conditions:Temperature 20℃+2℃,humidity60%~80%.

 

3.Appearance and dimension:as per Fig.1

 

4.Electrical Specification :

4- 1) Directional Characteristic: Omni-Directional
4- 2) Sensitivity Range:-40+2dB at 1KHZ (0 dB=1 V/uba) RL=2.2 KΩ VCC=2.0 V
4- 3) Impedance:2.2 KΩ+30% at 1KHZ  (RL=2.2 KΩ)
4- 4) Frequency Response:As Fig.3
4- 5) S/N ratio:More than 58 dB
4- 6) Max Input Sound Level:115 dB  S. P. L
4- 7) Operating Voltage:3.0V  (1.1~10V)
4- 8) Circuit Current:400μA  max  (VCC=2.0V)
4- 9) Terminal Locations:As per Fig.1
4-10) Electrical Circuit:As per Fig.2
4-11) Capacitor:33pf
4-12) Storage Temperature:-20℃~+60℃
4-13) Operating Temperature:-10℃~+55℃

 

5. Reliability Tests:

After any following tests ,the sensitivity of the microphone unit shall not change more than
+3 dB from initial value, and shall keep their initial operation and appearance.
5.1 High Temperature test The microphone unit must be subjected to +70℃ for 200 Hours, and expose to room temperature for 6 Hours.
5.2 Low Temperature test The microphone unit must be subjected to -25℃ for 200 Hours, and expose to room temperature for 6 Hours.
5.3 Temperature Cycle  test The microphone unit must be subjected to following conditions (+50℃ 1H~room temp 1H~-10℃ 1H~room temp 1H) at 5 cycle, and expose to room temp for 6 Hours.
5.4 Humidity Test The microphone unit must be subjected to +40℃, 90% RH for 200 Hours, and expose to room temperature for 6 Hours.
5.5 Drop Test The microphone unit without package must be subjected to each 3 drops at three axes from the height of 1 meter to 20mm thick hardwood board.
5.6 Vibration Test The microphone unit must be subjected to each 3minutes vibration at three axes 3mm dynamic range, 1000 cycle/minute.
5.7 Soldering Heat Shock To solder with a 30w soldering iron in a Aluminum soldering tooling at 260℃~300℃ for less than 2seconds.

 

Dimensions    Unit: mm 

 

7.Electrical circuit

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