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differential Op-amp with 1V offset design difficulties

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SiliconWizard:
Yup, the terms can be confusing. Always just make sure you know what you are actually using. ;D

You can actually find integrated difference amplifiers as well (which basically integrate matching resistors and a single opamp).

David Hess:

--- Quote from: SiliconWizard on November 16, 2019, 07:13:36 pm ---Yup, the terms can be confusing. Always just make sure you know what you are actually using. ;D

You can actually find integrated difference amplifiers as well (which basically integrate matching resistors and a single opamp).
--- End quote ---

There are also difference amplifiers like the AD8130 and LT1193 which have two pairs of difference inputs.  A difference signal, typically up to 100 millivolts to a couple volts,  is applied to one pair and feedback from the output is applied the other inverting input with the other non-inverting input serving as a reference for the output.  They can be configured to do all kinds of interesting things.

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