EK-231 32-000 3, a90, 02 57+.0011 HT I. NOTE s |. INCREASED PRESSURE AT THE SOUND INLET CAUSES pis A POSITIVE GOING VOLTAGE TO APPEAR AT THE OUTPUT 30, su0.04 JB | 020.02 TERMINAL, RELATIVE TO THE NEGATIVE TERMINAL. (02040021 | 040. yen LOCATED FROM TWO SURFACES FOR CUSTOMER (6 PLS. CONVENIENCE. ONLY APPLICABLE FROM ONE SURFACE, NOT TO BE USED TOGETHER. me 5, 56-40, 02 HORIZONTAL LOCATION FOR TERMINAL CENTERED [.219+.001] TO +0,17 [.007]. |, 78+0,02 [.0704+.001] (2 PLS.) 1, 6140, 10 [.064+.004] |, 6140, 10 [064.004] [| ae Ne [.0444+.005] 2,210, 05 [.087+.002] cal 8] = [.0434+.005] MAXIMUM NEGATIVE POSITIVE SOLDER BUILDUP TERMINAL TERMINAL OUTPUT ee) TERMINAL Revision C.0. # Implementation Date RELEASE LEVEL REVISION NOMINAL WEIGHT 13 GRAM DIMENSIONS IN MILLIMETERS [INCHES] we Ea Released A SCALE: 2: l DR. BY DATE KNOWLES ELECTRONICS wile. DO NOT SCALE DRAWING cx ay sar ITASCA, ILLINOIS U.S.A. TITLE: : - - GJP 3-22-06 MICROPHONE | EK-23132-000 [s22-. OUTLINE DRAWING SHT I.1 GIP 3-22-06 KETTIASIZE. FRM Rev: B EK-23132-000 SHEET 2.1 -40dB -45 -90 39 -60 -65 -710 75 SENSITIVITY IN dB RELATIVE TO 1.0 VOLT/0.1 Pa (N/M?) FOR CONDITIONS SHOWN BELOW. -80 100 SENSITIVITY FREQUENCY MIN. 100 -oo 1000 -$5.0 10000 ooo NOTES: 6 7 8 9 1000 FREQUENCY IN HERTZ NOM. MAX. -53.5 --- -52.0 - = |. CASE CONNECTED TO NEGATIVE TERMINAL. 2. MICROPHONE TO BE FUNCTIONAL WITH 10 VDC SUPPLY. DEVICE CONFORMITY RANGE OF DEVIATION FROM _IKHz 0 4, 0.0 -2.0 + + 1.0 0.0 5.0 3. CONFORMS TO REQUIREMENTS SHOWN ON ELECTRET MICROPHONE ENVIRONMENTAL QUALIFICATIONS TEST, EK-PA SHEET 2.2 WITH REF. FREQ. OF 1000 Hz. 4. TYPICAL SENSITIVITY TO HUMIDITY AT 1000 Hz IS 0.02 dB/&RH. 5. SENSITIVITY AND NOISE VALUES INDICATED ON THIS SPECIFICATION ARE VALID AT 50% HUMIDITY. PORT DC AMPLIFIER LOCATION |SUPPLY| CURRENT DRAIN SENSITIVITY CHANGE |.,. ON REDUCING SUPPLY |. A. WEIGHTED NOISE (| kHz EQUIV. SPL) OUTPUT IMPEDANCE OHMS CAPACITANCE 50% OUTPUT TOTOUTPUT TO] POS. TO TO 0.9VDC MIN. | NOM. | MAX. | wecative | POSITIVE | NEGATIVE KA 1.3V | 50 pA MAX. 3 dB MAX. 26.0 dB MAX. 2800 | 4400 | 6800 N/A N/A N/A Revision C.0. # Implementation Date RELEASE LEVEL REVISION Released A A MIO101029 2-28-06 WHEN TEST LIMITS ARE USED TO ESTABLISH INCOMING INSPECTION ACCEPTANCE/RE JECTION | DR. BY DATE CRITERIA, CORRELATION OF TEST EQUIPMENT WITH KNOWLES I$ ALSO REQUIRED FOR ELIMINATION OF EQUIPMENT AND TEST METHOD VARIATION MMM 2-28-06 KNOWLES ELECTRONICS or ITASCA, ILLINOIS U.S.A. me MICROPHONE EK-23132-000 [92 22-08 PERFORMANCE SPECIFICATION SHT 2.1 GJP 3-22-06