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BCM9745P-44
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徐金国
08/05/17
Date:
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This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
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DRG NO: BS/TEM01.061A
www.be-star.com wu@be-star.com
张秀琴
李毕佳
Note
Drawn
徐金国
Date
08/05/17
Checked by:
Approved by:
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Rev.
BCM9745P-44
Microphone
6
7
Frequency Response 20Hz-20kHz
Rate Voltage 2.5V
8
9
★Frequency Resonse Curve
Decreaing Voltage characteristic -3dB(V s=1.5V)
Operating Voltage 1.5-10V
No. Item Specifications
1 Sensitivity -44 3dB(0dB=1V/Pa,1kHz)
2 Impedance 2.2K Ω 30% at1kHz
3 Directional Omnidirectional
4 S/N Ratio more than60dB(0dB=1V/Pa,1kHz)
5 Max. Input Sound Level 100dB S.P.L
1. Characteristics
Test Condition (Vs=2.5V RL=2.2K Ta=20°c R.H.=65%)
