SPM0102ND3 데이터 시트보기 (PDF) - Unspecified
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SPM0102ND3 Datasheet PDF : 10 Pages
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SPM0102ND3
13. RELIABILITY SPECIFICATIONS
Note: After test conditions are performed, the sensitivity of the microphone shall not deviate more
than 3dB from its initial value.
Test
Thermal Shock
High Temperature Storage
Test
Low Temperature Storage
Test
High Temperature Operating
Test
Description
Microphone unit must operate when exposed to air-to-air thermal shock 100 cycles,
from –40ºC to +125ºC. (IEC 68-2-4),
Microphone unit must maintain sensitivity after storage at +105ºC for 1,000 hours. (IEC
68-2-2 Test Ba)
Microphone unit must maintain sensitivity after storage at –40ºC for 1,000 hours. (IEC
68-2-1 Test Aa)
Microphone unit must operate within sensitivity specifications for 1,000 hours at 105ºC.
(IEC 68-2-2 Test Ba)
Low Temperature Operating
Test
Microphone unit must operate within sensitivity specifications for 1,000 hours at –40ºC.
(IEC 68-2-1 Test Aa)
Humidity Test
Tested under Bias at 85ºC/85% R.H. for 1,000 hours. (JESD22-A101A-B)
Vibration Test
Electrostatic Discharge
Reflow
Mechanical Shock
Microphone unit must operate under test condition: 4 cycles, from 20 to 2,000 Hz in
each direction (x,y,z), 48 minutes, using peak acceleration of 20 G (+20%, -0%). (MIL
883E, method 2007.2, A)
Tested to 8kV direct contact discharge or 15kV air discharge as specified by IEC 1000-
4-2, level 3 and level 4.
Microphone is tested to 5 passes through reflow oven, with microphone mounted
upside-down under conditions of 260ºC for 30 seconds maximum.
Microphone must operate after exposure to shock test of 10,000 G per IEC 68-2-27, Ea.
Knowles Acoustics, a division of Knowles
Electronics, LLC.
Revision: C
9 of 10
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