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Additional Resources: Product Page | 3D Model | PCB Footprint
date 01/17/2020 page 1 of 4
MODEL: CMA-4544PF-W │ DESCRIPTION: ELECTRET CONDENSER MICROPHONE
SPECIFICATIONS
parameter
conditions/description
min
typ
max
units
directivity
omnidirectional
sensitivity (S)
f = 1 kHz, 1 Pa, 0 dB = 1 V/1 Pa
-46
-44
-42
dB
operating voltage
3
10
Vdc
output impedance (Zout)
f = 1 kHz, 1 Pa
2.2
KΩ
sensitivity reduction (∆S-Vs)
f = 1 kHz, 1 Pa, Vs = 3.0 to 2.0 Vdc
-3
dB
frequency (f)
20
20,000
Hz
current consumption (IDSS)
Vs = 3.0 Vdc, RL = 2.2 KΩ
0.5
mA
signal to noise ratio (S/N)
f = 1 kHz, 1 Pa, A-weighted
60
dBA
operating temperature
-20
70
°C
storage temperature
-20
70
°C
dimension
ø9.7 x 4.5 mm
weight
0.