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Total offset voltage for the circuit shown below with given input offset voltage VIO = 4 mV, and input offset current IIO = 150 mA will be ____ mV.
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- 97
- 479
- 145
- 432
Correct Option: B
Offset due to VIO = VIO . | = (4 mV) . | = 404 mV | ||
R1 | 5 |
Offset due to IIO = IIO × RF
= (150 × 10– 9) × 500 kΩ = 75 mV
∴ Total offset = 404 + 75 = 479 mV