Good evening all,
I'm trying to read negative voltage from MCP3423. I've seen that it's possible to do it if you set VSS to a negative voltage, so I did it.
The problem comes when I try to read from it. If I use GND as VSS it all goes ok, but if I change vss to -3.3 the device doesn't even answer.
Does anyone know how to read negative from MCP?