DC coupled op amp applications are concerned about DC offset voltage as well as gain. Most of the time, it is possible to get gain and offset from a single op amp stage.
Offset < 0 |
Offset = 0 |
Offset > 0 |
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Non-inverting | Gain > 1 | Case = 2 | Case = 5 | Case = 1 |
Gain = 1 | Case = 8 | Case = 9 | ||
0 < Gain < 1 | Case = 10 | Case = 7 | ||
Gain = 0 | Regulators | |||
Inverting | -1 < Gain < 0 | Case = 12 | Case = 13 | Case = 11 |
Gain ≤ -1 | Case = 4 | Case = 6 | Case = 3 |