SOM4013SL-G423I-HP
这是一款外貌贴装（SMD）驻极体电容（ECM）全向麦克风
优势与特点
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φ4.0×1.3mm 全向麦克风
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信噪比（SNR）:最小58dB
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标准外貌贴装回流焊手艺（SMD）
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切合 RoHS2.0 标准
性能参数
| No. | Parameter | Symbol | Condition | Limits | Unit | ||
| Min | Nom. | Max | |||||
| 3.1 | Sensitivity | S | f=1kHz, Pin=1Pa, 0dB=1V/Pa | -45 | -42 | -39 | dB |
| 3.2 | Directivity | Omni-directional | |||||
| 3.3 | Output Impedance | ZOUT | f=1kHz | 2.2 | kΩ | ||
| 3.4 | Current Consumption | IDSS | RL=2.2kΩ, Vs=2.0V | 500 | ?A | ||
| 3.5 | S/N Ratio | S/N | f=1kHz, Pin=1Pa, (A-Weighted) | 58 | dB | ||
| 3.6 | Operating Voltage | Vmic | Vs= 2.0V to 1.5V | 1.0 | 5 | V | |
| 3.7 | Sensitivity vs. Voltage | ΔS | 94dB SPL at 1kHz | 3 | dB | ||
| 3.8 | Total Harmonic Distortion | THD | 94dB SPL at 1kHz | 1 | % | ||
| 115dB SPL at 1kHz | 3 | ||||||
| Note：Considering tester and testing difference between each other, sensitivity 0.5 dB out of specification will be acceptable by customer for an acceptance. | |||||||
应用实例
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头戴耳机
