CN0532 long term operating temperature

Question

Hi, 
 One of the equipment for which we want to monitor vibration has a surface temperature of 90 to 110 degree Celsius. These conditions are during 10 hour shifts, 6 days a week. 
 
 Is the CN0532 capable for the job? The datasheet says maximum operating temperature 125 degrees, but it doesn't say anything about long term reliability at high temperatures. 
 Regards,

PdelCorro · Accepted Answer

Hi, 
 All CN0532 components are rated to 125C, but we did not characterize long term reliability of this circuit. Notice that the ADXL1002 (accelerometer on the CN0532) is on a over molded package, so package degradation/aging is expected at high temperatures. This would be translated as an offset drift at the output of the ADXL1002. Generally, we would expect the ADXL1002 to drift a few 100 mg over life time, but this is very difficult to quantify as is application dependent. 
 I hope this helps, 
 Pablo .)

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CN0532 long term operating temperature