Datasheet

page
date
DESCRIPTION: electret condenser microphone
1 of 4
06/2008
20050 SW 112
th
Ave. Tualatin, Oregon 97062 phonephone 503.612.2300 faxfax 503.612.2383
PART NUMBER: CMA-4544PF-W
SPECIFICATIONS
directivity omnidirectional
sensitivity (S) -44 ±2 dB f = 1KHz, 1Pa 0dB = 1V/Pa
sensitivity reduction (ΔS-Vs) -3 dB f = 1KHz, 1Pa Vs = 3.0 ~ 2.0 V dc
operating voltage 3 V dc (standard), 10 V dc (max.)
output impedance (Zout) 2.2 KΩ f = 1KHz, 1Pa
operating frequency (f) 20 ~ 20,000 Hz
current consumption (IDSS) 0.5 mA max. Vs = 3.0 V dc RL = 2.2KΩ
signal to noise ratio (S/N) 60 dBA f = 1KHz, 1Pa A-weighted
operating temperature -20 ~ +70° C
storage temperature -20 ~ +70° C
dimensions ø9.7 x 4.5 mm
weight 0.80 g max.
material Al
terminal pin type (hand soldering only)
RoHS yes
note: We use the “Pascal (Pa)” indication of sensitivity as per the recomendation of I.E.C. (International
Electrotechnical Commission). The sensitivity of “Pa” will increase 20dB compared to the “ubar”
indication. Example: -60dB (0dB = 1V/ubar) = -40dB (1V/Pa)
APPEARANCE DRAWING