Ideal vs. Nonideal Op Amps: Difference between revisions
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*[[Ben Henry|Henry,Ben]] |
*[[Ben Henry|Henry,Ben]] |
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*[[Vier, Michael|Vier, Michael]] |
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==Readers== |
==Readers== |
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Latest revision as of 22:36, 12 January 2010
| Ideal | Nonideal |
|---|---|
| Infinite input impedance | Input impedance of about 1M Ω for IC op amps; as much as 10 12Ω for op amps with field effect transistor |
| Infinite open-loop gain for the differential signal | Open-loop gain typically between 104and 106 |
| Zero output impedance | Output impedance typically between 1 and 100 Ω |
| Infinite bandwidth | Bandwidth typically limited by the designer to avoid oscillation |
References
Electronics, Second Edition. Allan R. Hambley.
Chapter 1 - Greg Fong