FXAS21002C: HPF and LPF=12.5Hz

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FXAS21002C: HPF and LPF=12.5Hz

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riscypayne
Contributor I

Hi Is there guideline how to choose or select HPF and LPF function for given application?

I'm using ODR = 12.5Hz and application is directional.

Would HPF reduce the drift or offset readout?

R.

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anthonyduhamel
NXP Employee
NXP Employee

Hello Rlscy,

LPF cutoff frequency with an 12.5Hz ODR is fixed to 4Hz.

Ftabs.PNG

You can enable the HPF filter by setting the HPF_EN bit in the CTRL_REG0. The HPF filter should remove/attenuate the average value (offset) of the ouput signals.

Anthony

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