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Recovery time of MEMS accelerometers in a shock environment

Question asked by RandallTalea on Oct 28, 2013
Latest reply on Oct 28, 2013 by neilzhao

We are considering using the following MEMS accelerometers in a shock environment (~1500g):

  • ADXL325
  • ADXL337
  • ADXL375
  • ADXL345

What kind of behavior should we expect from the accelerometers during the shock event?  Specifically, what measurements will be produced?  Is there a ring-down or recovery time during which we should ignore measurements?  Also, my understanding is that the mechanical resonant frequency is around 11-13KHz (please confirm).  Do we expect to see ringing in the measurement at this frequency following a shock event?

 

Thank you,

Randy

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