I had implemented DC pull up pull down mode lead off detection in my circuit for ECG processing using ADS1294R. I have done all configurations as per datasheet and schematic also is done as per requirement and everything else is working fine except the lead off detection for just 2 leads out of the 4 leads iam connecting to the front end. I tried changing from DC Pull up pull down mode lead off detection to DC current mode lead off detection. But whatever be the trials, its not working for just 2 leads. I have no doubt regarding configuration because i have enabled the lead off comparator and set the lead off register and lead off sense registers correctly. Is there any other issue possible which i might have overlooked??
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