We have an application where we plan to use both REFin1 and REFin2, where REFin1 is used for a differential measurement on AIN1/2, and REFin2 for a differential measurement for AIN3/4.
Question1: If I lose one of the references, do I get a NOREF for only the channel being measured?
The datasheet claims the conversion results will be clamped to all 1's on a NOREF.
Question2: Will this clamping only occur on the data coming from the channel whose reference is low?
If I have an "overvoltage" (say my ref is 2.5V and I put 4V across AIN1/2), the ERR bit should be set and the data should be all 1's (all 0's if I swap AIN1/2 pins around; fake "negative").
Question3: Will this ERR only be present for that channel whose input is overvolt?