POM-2744P-C33-R
Omni-Directional
Microphone
3541 Stop Eight Road • Dayton, Ohio 45414
Product Overview
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'^D d D
Typical Frequency Response and Sensitivity
PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 11/15.
POM-2744P-C33-R
Omni-Directional
Microphone
Mechanical and Environment Testing
Test Description
High Temperature
Low Temperature
Humidity
Vibration
Drop Test
Temperature Cycle Test
Test Condition
70°C with random humidity for 200 hours
-40°C with random humidity for 200 hours
40°C with 90% relative humidity for 200 hours
3 mm movement for 3 minutes in each of 3 axis
70 cm free fall onto 20 mm thick board, two directions
-10°C to 50°C, 5 cycles
Microphone Polar Response Plot
Recommended Drive Circuit
PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 11/15.
SPECIFICATIONS
PARAMETERS
DIRECTIVITY
SENSITIVTY
STANDARD OPERATING VOLTAGE
MAX OPERATING VOLTAGE
CURRENT CONSUMPTION (MAX)
IMPEDANCE
SIGNAL TO NOISE RATIO (MIN.)
TERMINAL
INTERNAL CAPACITOR
VALUES
OMINI
-44 ± 3
2
10
0.5
2.2
60
PIN
33
UNIT
-
dB
Vdc
Vdc
mA
KOhm
dB
-
pF
THIS DOCUMENT CONTAINS DATA PROPRIETARY TO
PROJECTS UNLIMITED, INC. ANY USE OR
REPRODUCTION, IN ANY FORM, WITHOUT PRIOR
WRITTEN PERMISSION OF PROJECTS UNLIMITED,
INC. IS PROHIBITED.
©2003, Projects Unlimited Inc.
REVISION HISTORY
LTR
-
A
DESCRIPTION
RELEASED FROM ENGINEERING
REVISED TO INVENTOR 3-D DRAWING TEMPLATE
DATE
3/23/2006
10/6/2010
APPROVED
B.R.
2.8
`
0.3
n
6
`
0.1
2.7
`
0.2
1.9
n
0.45
`
0.1 (2)
0.8
TERM 1 (+)
TERM 2 (-)
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETERS.
2. SPECIFICATIONS SUBJECT TO CHANGE OR WITHDRAWL
WITHOUT NOTICE.
3. THIS PART IS RoHS 2002/95/EC COMPLIANT.
4. MICROPHONE CLOTH OVER FACE IS IP51 RATED.
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
Designed by
Date
Checked by
Date
Approved by
Date
Drawn Date
SIZE
T.G.
3/23/2006
B.R.
3/23/2006
E.P.
3/23/2006 10/6/2010
A3
POM-2744P-C33-R
Microphone
Edition
Sheet
POM-2744P-C33-R.idw
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