Simulink Electrical Op Amps

Question

Ali Almakhmari 2020-11-28

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https://ww2.mathworks.cn/matlabcentral/answers/666978-simulink-electrical-op-amps

回答： Joel Van Sickel 2020-11-30

So I am trying to simulate a circuit I am required to. This is my first time using simulink electrical package and I am trying to find the TLC081 Op Amp, but can't. Any help would be appreciated on how to locate this specific part in the simulink electrical library.

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Kevin Rogers 2020-11-28

In general Simulink does not model specific components. It only models generic components. It is up to you to enter the performance parameters for the specific device that you are interested in.

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Answer 1

Joel Van Sickel 2020-11-30

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Hello Ali,

there are pspice models available for this op amp. https://www.ti.com/product/TLC081#design-development##design-tools-simulation

You could try importing the SPICE model into simscape using this feature: https://www.mathworks.com/help/physmod/sps/ref/subcircuit2ssc.html.

Or you can use a generic op amp for now to get started. They differences won't usually be relevant unless you are specifically looking at transient behavior of the specific op amps. Usually they respond fast enough that you can ignore the details of these dynamics.

Basic op amp: https://www.mathworks.com/help/physmod/simscape/ref/opamp.html?searchHighlight=op%20amp&s_tid=srchtitle

More detailed op amp: https://www.mathworks.com/help/physmod/sps/ref/bandlimitedopamp.html?searchHighlight=op%20amp&s_tid=srchtitle

Regards,

Joel