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深圳市鑫视语电子有限公司
| 联系人：李雪芳
女士 (销售) |
| 电 话：0755-33148177 |
手 机：13715349748  |
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| 9745L咪头 |
1、SCOPE
This specification covers electrical and mechanical requirements for the microphone DGO9765CD-L
2、ABSOLUTE RATINGS
Storage temperature - 22°C ~ + 60°C
Operating voltage 1.0 V ~ 10 V
3、ELECTRO-ACOUSTICALCHARACTERISTICS
TEST CONDITION：Vdd=4.5V，RL=2.2KΩ,Ta=20°C, RH=65%
ITEM Test Conditions Minimum Norminal Maximum Unit
Directivity Single -directional
Sensitivity F=1KHz
S.P.L.=94dB
0 dB =1V/Pa -38 -35 -32 dB
S/N Ratio -58 dB(A)
Out Impedance 2.2 KΩ
Current Consumption 500 uA
Decreacing Voltage Characteristic 4.5 V ~ 3.0V 3 d |
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