1 of 4
page
date
06/2008
PART NUMBER: CMA-6542PF
DESCRIPTION: electret condenser microphone
SPECIFICATIONS
directivity
omnidirectional
-42 ±± dꢀ
-± dB
sensitivity (S)
f = 1KHz, 1Pa 0dB = 1V/Pa
sensitivity reduction (ΔS-Vs)
operating voltage
output impedance (Zout)
operating frequency (f)
current consumption (IDSS)
signal to noise ratio (S/N)
operating temperature
storage temperature
dimensions
f = 1KHz, 1Pa Vs = 4.5 ~ 1.5 V dc
4.5 V dc (standard), 10 V dc (max.)
2.2 KΩ
f = 1KHz, 1Pa
20 ~ 20,000 Hz
0.5 mA max.
60 dBA
Vs = 4.5 V dc RL = 2.2KΩ
f = 1KHz, 1Pa A-weighted
-20 ~ +70° C
-20 ~ +70° C
ø9.7 x 6.5 mm
0.70 g max.
Al
pin type (hand soldering only)
yes
weight
material
terminal
RoHS
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 “uꢀar”
indication. Example: -60dB (0dB = 1V/uꢀar) = -40dB (1V/Pa)
APPEARANCE DRAWING
tolerances not shown: ±0.±mm
5.0 1.0
2.0 0.2
6.5 0.2
(2 PLCS)
(2 PLCS)
terminal 2
9.7 0.2
2.54 0.3
0.4 0.05
(2 PLCS)
terminal 1
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2383
CUI [ CUI INC ]
