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You just finished looking at the data sheet specifications for an op amp that looks like a good fit for your design. You want to run simulations on your design before you head into the lab to build up a proto type.
You see the manufacture of the op amp is offering a PSPICE model netlist in their data sheet, but you are not sure how to convert the PSPICE model netlist into a sub-circuit for your simulator. If your simulator is a Cadence Allegro simulator, then this article will take you through a step-by-step process to convert the data sheet netlist into a sub-circuit for simulations. If your simulator is another type then you will need to contact the vendor who makes the op amp for support or possibly use their limited online simulation tools for your analysis.
Intersil provides a PSPICE model for all their new low-speed and low-power precision op amps at the end of the data sheets. The PSPICE model netlist and netlist schematic are included in the data sheet, along with simulation vs. characterization curves to highlight the accuracy of the PSPICE models.