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 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. REVISION HISTORY DESCRIPTION RELEASED FROM ENGINEERING LTR - DATE 2/14/2008 APPROVED INTERFACING CIRCUIT (NOTE: CUSTOMER DEFINED) POWER C POWER OUTPUT MEMS MIC GND GND RIN 2.4 GROUND 0.3 3.76 0.95 0.68 1.2 n0.9 (3) 3.61 0.68 OUTPUT INPUT n0.5 SOUND HOLE 3.3 n1.68 4.72 4.57 n1.02 GROUND 0.79 GROUND NOTES: 1.25 0.61 n0.7 (2) 2.54 1.88 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°. SIZE A3 ROSM-1342RM-C3310-R.idw Designed by Date Checked by Date Approved by J.D. 2/14/2008 R.W. 2/14/2008 B.R. Date Drawn Date 2/14/2008 2/14/2008 ROSM-1342RM-C3310-R Microphone Edition Sheet - 1/1