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EVAL-ADXL356 - Acceleration measurements only

Question asked by Koks on Nov 28, 2017
Latest reply on Dec 6, 2017 by ddereli

*Attached a photo of EVAL-ADXL354, which I believe is the same circuit as EVAL-ADXL356.

 

I am planning to purchase ADXL356 evaluation board for measuring acceleration, however I want to make sure I understand the following in order to get analog output only:

 

  1. I will connect pin#1&3 founded in "P1" with the same power supply voltage signal  between 2.25V to 3.6V in order to power the chip. Is that okay? or 1&3 cannot have the same input?
  2. In order to get the full bandwidth range (1000 Hz) of the three axes (X,Y, and Z), I will replace the capacitors C1, C2, and C3 with different ones of capacitance 0.005 μF. I noticed from the attached photo of the evaluation board that the capacitors are not on the surface of the board, is that correct? 
  3. Do I need to replace the 11 capacitors or the above mentioned ones (C1,2,3) are enough to get the 1000 Hz bandwidth?
  4. I won't need to use any of "P2" pins as long as I am following the above mentioned criteria.

 

Thank you!

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