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
VALUES
OMNI
-42 ± 3
2.1
3.6
200
100
55
33 & 10
100 ~ 7,000
-40 ~ +100
-40 ~ +100
3.76
3.61
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
2/14/2008
APPROVED
POWER
INTERFACING CIRCUIT
(NOTE: CUSTOMER DEFINED)
C
POWER
OUTPUT
MEMS MIC
GND
GND
RIN
2.4
0.3
0.95
0.68
0.68
OUTPUT
n
1.68
n
1.02
GROUND
1.2
n
0.9 (3)
INPUT
n
0.5 SOUND HOLE
3.3
4.72 4.57
0.79
GROUND
GROUND
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.
1.25
0.61
1.88
2.54
n
0.7 (2)
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
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).
SIZE
J.D.
2/14/2008
R.W.
2/14/2008
B.R.
2/14/2008 2/14/2008
A3
ROSM-1342RM-C3310-R
Microphone
Edition
Sheet
ROSM-1342RM-C3310-R.idw
-
1/1
PUI [ PROJECTS UNLIMITED, INC. ]
