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Settling time of a Fully differential opamp!

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chandra3789

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hi i need some help regarding finding the settling time of a fully differential op amp...
i am working on fully differential op amp for the first time.....

1. plz explain me how to connect the op amp as a buffer for testing the settling time( i mean should i have to connect any capacitors or resistors between the inputs and outputs or between the inputs) ?:roll:
2. the input step should be applied to one input and the output should be measured at the output which is connected to other input or any other method?
i will be grateful if anyone can explain the procedure in a detailed manner with images?....
thanks in advance......
 

3. Also tell me why SC CMFB is better than resistor based CMFB........will that help in improving the settling time of the op amp?
 

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