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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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