SPECIFICATIONS
PARAMETERS
DIRECTIVITY
SENSITIVTY
STANDARD OPERATING VOLTAGE
MAX OPERATING VOLTAGE
CURRENT CONSUMPTION (MAX)
IMPEDANCE (MAX)
SIGNAL TO NOISE RATIO (MIN.)
INTERNAL CAPACITOR
FREQUENCY RANGE
OPERATING TEMPERATURE
STORAGE TEMPERATURE
1.88
VALUES
OMNI
-42 ± 3
2.1
3.6
200
100
55
33 & 10
100 ~ 7,000
-40 ~ +100
-40 ~ +100
UNITS
-
dB
Vdc
Vdc
µA
Ohm
dBA
pF
Hz
°C
°C
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.
LTR
-
REVISION HISTORY
DESCRIPTION
RELEASED FROM ENGINEERING
DATE
2/13/2008
APPROVED
POWER
INTERFACING CIRCUIT
(NOTE: CUSTOMER DEFINED)
C
POWER
OUTPUT
MEMS MIC
GND
GND
RIN
0.3
n
1.02 SOUND HOLE
1.2
POWER
1.99
OUTPUT
1.55
6.15
6
2.53
1.4
3.61
3.76
1.5
0.25
1.27
0.41
GND
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. MAXIMUM OF 120dB INPUT SPL (FOR LESS THAN 0.5% DISTORTION).
5. OUTPUT SIGNAL @ 94dB SPL, 1KHz (-45dB/5.65mV,-40dB/10.04mV).
6. 1dB SENSITIVITY VARIATION OVER OPERATING RANGE (1.5-3.6V).
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
J.D.
2/13/2008
R.W.
2/13/2008
B.R.
2/13/2008 2/13/2008
A3
POSM-1542-C3310-R
Microphone
Edition
Sheet
POSM-1542-C3310-R.idw
-
1/1
PUI [ PROJECTS UNLIMITED, INC. ]
