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ADE7758 resolution issue and PGA gain change

Question asked by JochenR on Nov 19, 2012
Latest reply on Nov 21, 2012 by hmani
Branched from an earlier discussion

Hello Hmani,


for a good resolution of the active power calculation (registers xWATTHR) we want to switch the GAIN (PGA1 and PGA2) online during the measurements which are done in a 20ms interrupt (50Hz lince cycle frequency).


Do you have the information about the settling times we have to consider when switching the gain?