9.7 * 4.5 mm microphone

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Parameter		SPEC.	Unit
Directional Characteristic		Omni - Directional	－
Sensitivity		-40±3	dB
Impedance		2.2(Max)	kΩ
S/N Ratio ( A weighted network)		58(Min)	dB
Maximum Input Sound Pressure Level		110 THD≤3%	dB
Standard Operating Voltage		4.5	Vdc
Operating Voltage Range		1.0~10.0	Vdc
Decrease Voltage Characteristics(Vs=4.5 to 3.0V dc)		-3(Max)	dB
Current Consumption		500(Max)	μA
Standard Test Circuit		See Fig. 1	－
Frequency Response Characteristic		See Fig. 2	－
Memo	Standard test condition	RL=2.2kΩ, Vs=4.5V dc (@f=1kHz, Pin=1Pa, 0dB=1V/Pa,L=50 cm)

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