1、 SCOPE
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This specification covers electrical and mechanical requirements for the microphone DGO9765CD-L |
2、 ABSOLUTE RATINGS
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Storage temperature |
- 22°C ~ + 60°C |
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Operating voltage |
1.0 V ~ 10 V |
3、 ELECTRO-ACOUSTICALCHARACTERISTICS
TEST CONDITION：Vdd=4.5V，RL=2.2KΩ,Ta=20°C, RH=65%
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ITEM |
Test Conditions |
Minimum |
Norminal |
Maximum |
Unit |
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Directivity |
Single -directional |
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Sensitivity |
F=1KHz S.P.L.=94dB 0 dB =1V/Pa |
-38 |
-35 |
-32 |
dB |
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S/N Ratio |
-58 |
dB(A) |
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Out Impedance |
2.2 |
KΩ |
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Current Consumption |
500 |
uA |
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Decreacing Voltage Characteristic |
4.5 V ~ 3.0V |
3 |
dB |
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