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ADXL346 Improved Tap high pass filtering

Question asked by inagai Employee on Mar 28, 2011
Latest reply on Apr 4, 2011 by inagai



One of our customer asked about what type of high pass filter used in ADXL346 improved tap to reject the effect of gravity. Is it something similar to the AC coupling "filter" for Activity/Inactivity AC coupling mode, like setting some reference value based on certain event, and look at the delta between raw data and the reference value?