Hello,
We have been using INA118 in our application with single supply of 4.5 volts. We have connected its reference pin to 2.5 volts and Gain as 2 V/V.
As per data sheet , Linear input voltage range is mentioned as (V-) +0.95 to (V+) - 0.65 volts which means 0.95 to 3.85 Volts.
In our application, voltage range on both inverting and non inverting terminals will be 2.25 +/- 0.100 Volts which is well within linear range .. is this right ??
But while looking at the Common mode range graph in the datasheet, I am confused with common mode range.
Because our output range will be 2.5 to 2.8 volts and Common mode range will be 2.25 volts.Hence i am not within the operating graph any more.
I am good with the linear range spec but i am off in the Common mode range when i consider the graph
Which one should i follow either data sheet spec or Graph ???
