BT172
ECM (electret condenser microphone)
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Pattern
Sensitivity
Equivalent Noise Level
Impedance
S/N (SNR) Signal-to-noise Ratio
Max input sound level
Operating Voltage (nominal)
Current
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Omni-directional
-28 dB at 1 kHz (0 dB=1V/Pa)
14 dB
2.4K
>80 dB at 1 kHz (1 Pa, A weighted)
122 dB S.P.L.
5 VDC (3 to 10V)
600uA max at Vcc=3VDC
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CAUTION:
The BT172 must be operated at or near its nominal operating voltage. Operation at too low a
voltage will produce excessive self-noise.
For Primo data sheet
- click here
The BT172 ECM capsule (Primo EM-172) has a moisture-resistant acoustically transparent seal.
