I need to accurately measure a solar cell using an AD7190. The solar cell has two wires + and - (Volt range expected for the cell is 0 to 5V)
The diagrams for AD7190 all seem to have load cell examples for weighing scales. Is there a simple example for measuring the voltage of a simple unit that has just two wires.
I will appreciate any help you can give to let me know how I should connect a solar cell to the AD7190.
I have enclosed below a few pins an some thoughts I have thus far but as you can see I am not clear about what should be connected to what.
REFIN1(+)= (Solar Cell +) ?
REFIN1(-)=0V (Solar cell ground ?) (Are all Grounds / 0V linked to be a common ground?)