Gain and Linearity Testing for Precision Operational Amplifiers (Rev. A)
Many operational amplifiers are very linear — as a unity-gain inverter, they often have linearity in the
range of 5 to 1 to 0.5 ppm. However, testing for gain linearity is not a standard or well-known test. Test
procedures will be shown here, to permit any user to resolve the non-linearity errors.