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PFO-9745L 全指向电容式麦克风 Omnidirectional Electret Condenser Microphone
外观图 Appearance(请单击图片放大) 尺寸图 Dimensional Drawing

 

主要技术特性 Specifications 频响曲线 Typical Frequency Response Curve
频率范围 Frequency range

40-12000Hz

灵敏度 Sensitivity

-32--49dB  

OdB=1V/Pa, 1Khz
输出阻抗 Impedance Less than 1.5KΩ
指向性 Directivity Omnidirectional
信噪比 S/N ratio More than 60dB
标准工作电压 Standard operation voltage 3.0V
最大工作电压 Max operation voltage 10V
灵敏度缩减特性 Sensitivity reduction

Within -3dB at 1.5V

工作电流 Current consumption

Max 0.5mA

重量 Weight

Max 1.0g

原理图 Schematic Diagram

R=1.5KΩ  C=5μF Vs=3.0V

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