品牌:鑫视语
起订:10
发货:3天内
1、 SCOPE
|
This specification covers electrical and mechanical requirements for the microphone DGO9765CD-P |
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 |
Omni-directional |
|||||
|
Sensitivity |
F=1KHz S.P.L.=94dB 0 dB =1V/Pa |
-44 |
-42 |
-40 |
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 |
dB |
|||