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why AD7190 output data oscillate ?

Question asked by ashkara on May 17, 2017
Latest reply on May 23, 2017 by ashkara


i want to use AD7190 in weigh scale system but when i try to fetch data Continuously from ADC and plot them in STM Studio .you can see result varying with time (time in ms) !!! please help me to found that problem..


ADC chip : AD7190 (Analog Device Company)
SINC4 filter : ON
chopping : ON
Data rate : ~2Hz
layout : bottom layer Grounded
seperated analog and digital PCBs