i used AD8220 in simple with gain=1(no resistor).
i expect Vo swing between +/-5 Volt according to Vo = G • ( VIN(+) – VIN(-) ).
i have large offset at output.
what is wrong in my circuit?
i attached circuit file too.
We built this circuit. When at the "Vin1" pint I apply 100mVpp, 100Hz sinus (output impedance HighZ on signal generator), on pin7 OUT I have the same sinus wave with approx 100mVpp amplitude, which seems to be OK.
If I apply to point …
I am trying to simulate AD8220 in a very simple configuration. G=1 (no resistor connected), single input supply of 5V and REF connected to ground. Is this a legitimate way to use this component? For input levels below 100mV (ie IN+ = 100mV, IN- …
Hello fellow engineers and enthusiasts,
I've been using this instrumentation amplifiers for a few months now, and I absolutely love it for its robustness and pricing. I'm about to do a design that will need to adjust the offset, and the AD8220 offers…
I've been doing a very critical desing using AD8220. But i'm afraid that the IC might fail the design requirement at the very last moment as i found difficulties. Hence need your worthy help.
Fist of all i need to explain my design…
Which is correct, input impedance IN+ (or IN-) respect with Vs- (5pin) or application ground(0V)?
AD8220 specification has both dual supply and single supply, but datasheet shows same mention to input impedance.
In the datasheet says below.
I am using AD8220 to amplify the output voltage of a Wheatstone bridge (there is only an NTC Thermistor in the bridge).
I want to use the InAmp in single supply operation. The bridge is designed to always provide the positive input voltage to the…
I am running the AD8220BRMZ from +/-5V, with a gain set to 100 and the REF pin set to 2.5V. I notice that the output swing limits at 4.70V despite the datasheet indicating that I should get 4.85V as a minimum. Am I interpreting the datasheet correctly…
I am using the AD8220 in a electrochemical sensor measurement application.
The sensor outputs a DC signal in the -1/+1 range. The signal is created between a ref electrode and a "working" electrode, as a potential difference, creating the vo…