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COMPLIANCE
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
Product Overview
3541 Stop Eight Road • Dayton, Ohio 45414
Typical Frequency Response and Sensitivity
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a projects unlimited company
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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.
Mechanical and Environment Testing
Test Description Test Condition
High Temperature 70°C with random humidity for 200 hours
Low Temperature -40°C with random humidity for 200 hours
Humidity 40°C with 90% relative humidity for 200 hours
Vibration 3 mm movement for 3 minutes in each of 3 axis
Drop Test 70 cm free fall onto 20 mm thick board, two directions
Temperature Cycle Test -10°C to 50°C, 5 cycles
Recommended Drive Circuit
POM-2744P-C33-R
Omni-Directional
Microphone
Microphone Polar Response Plot
RELEASED FROM ENGINEERING
3/23/2006
REVISED TD INVENTOR 3-D DRAWING TEMPLATE
10/6/2010
BR,
CURRENT CONSUMPTION (MAX)
pF
Microphone
POM-2744P-C33-R
T.G. B.R. E.P.
3/23/2006
-
Designed by Checked by Approved by Drawn Date
1 / 1
Edition Sheet
Date
10/6/2010
Date
3/23/2006
Date
3/23/2006
UNLESS OTHERWISE
SPECIFIED:
DIMENSIONS ARE IN
MILLIMETERS,
TOLERANCES
ARE ±0.5 AND
ANGLES ARE ±3°.
POM-2744P-C33-R.idw
A3
SIZE
REVISION HISTORY
LTR DESCRIPTION DATE APPROVED
-RELEASED FROM ENGINEERING 3/23/2006
A REVISED TO INVENTOR 3-D DRAWING TEMPLATE 10/6/2010 B.R.
SPECIFICATIONS
PARAMETERS VALUES UNIT
DIRECTIVITY OMINI -
SENSITIVTY -44 ± 3 dB
STANDARD OPERATING VOLTAGE 2 Vdc
MAX OPERATING VOLTAGE 10 Vdc
CURRENT CONSUMPTION (MAX) 0.5 mA
IMPEDANCE 2.2 KOhm
SIGNAL TO NOISE RATIO (MIN.) 60 dB
TERMINAL PIN -
INTERNAL CAPACITOR 33 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.
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.
6n`0.1
2.7 `0.2
2.8 `0.3 1.9
0.8
0.45n`0.1 (2)
TERM 2 (-)
TERM 1 (+)
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