In order for you to perform worst case circuit analysis. Note: (All tests are at specific supply voltage, temperature and load current, unless otherwise noted)ĪEi Systems can work with you to add worst case tolerances including temperature, aging, and radiation effects (BOL or EOL tolerances). We talked about modeling the offset voltage, the input resistance and capacitance both common-mode and differential, the output resistance and the frequency. Input Noise Voltage Density versus Frequency :Build an Op Amp SPICE Model from Its Datasheet Part 1 and Part 2 show you how to build an Op Amp SPICE model based on the manufacturer’s datasheet.Quiescent Current versus Power Supply Voltage.Output Voltage Saturation versus Output Current.Output Short Circuit Current versus Power Supply Voltage.Closed Loop Output Impedance versus Frequency.AC Power Supply Rejection Ratio (PSRR) versus Frequency.AC Gain/Phase - Multiple Poles/Zeros from proprietary information.Please let us know if we can support you in any way or quote a model for you. If you are interested, we support all simulator syntaxes (PSpice, LTSpice, ADS, Saber, etc.) These models are a cut above many models (Boyle, Model Editor) found on the web and in EDA software packages. AEi Systems has a new streamlined and accurate process for creating high fidelity SPICE Opamp models.
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