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transfer function of an Opamp

senmeis

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Hi,

where can I get the transfer function (in form of Laplace s = jω) of an Opamp to make further analysis, from the data sheet?
 
What part are you talking about? Please provide more information.
Datasheets usually do not provide transfer functions, they have Bode plots instead. You can create your own TF based on this data and number of poles/zeros.
 
As far you are talking about general purpose OP, their transfer function can be approximated as PT2, gain and two poles. The parameters can be easily derived from open loop gain plot, as suggested above.
 

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