Product Details

Two Op Amp Instrumentation Amplifier

Just two precision amplifiers can be configured to create a differential to single ended instrumentation amplifier. Gain of this example is 100. Gain = R4/R3 * [1 + 1/2*(R2/R1 + R3/R4) + (R2+R3)/R5]. Trim R5 for gain accuracy.

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Tools & Simulations


LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.