Op Amp - MapleSim Help
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Op Amp

Simple nonideal model of an op amp

 Description The Op Amp component is a simple nonideal model with output voltage limits implemented in a smooth manner. Note that the default gain ($\mathrm{Slope}$) is unity, which is unsuitable for most applications.
 Equations ${i}_{p}={i}_{n}=0$ ${i}_{\mathrm{max}}={i}_{\mathrm{min}}=0$ ${v}_{\mathrm{out}}=\frac{{v}_{\mathrm{max}}+{v}_{\mathrm{min}}}{2}+\frac{\left|\mathrm{Slope}\right|{v}_{\mathrm{in}}}{1+\left|\mathrm{Slope}\right|\left|\frac{2{v}_{\mathrm{in}}}{{v}_{\mathrm{max}}-{v}_{\mathrm{min}}}\right|}$ ${v}_{\mathrm{in}}={v}_{p}-{v}_{n}$

Connections

 Name Description Modelica ID $p$ Positive pin of the input port in_p $n$ Negative pin of the input port in_n $\mathrm{out}$ Output pin out $\mathrm{max}$ Positive supply VMax $\mathrm{min}$ Negative supply VMin

Parameters

 Name Default Units Description Modelica ID Slope $1$ Gain at ${v}_{\mathrm{in}}=0$ Slope

 See Also