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OrCAD PSpice A/D

Advanced, accurate simulation of analog/mixed-signal designs

PSpice A/D is a full-featured, Spice-based, analog/mixed-signal circuit simulator that integrates with PSpice Advanced Analysis tools to help designers improve yield and product reliability.

Cadence® PSpice® A/D is the de-facto industry-standard Spice-based simulator for system design. It simulates complex mixed-signal designs containing both analog and digital parts, and it supports a wide range of simulation models such as IGBTs, pulse width modulators, DACs, and ADCs. Its built-in mathematical functions and behavioral modeling techniques enable fast and accurate simulation of designs with efficient debugging. PSpice A/D also allows users to design and generate simulation models for transformers and DC inductors.
Scalability options include PSpice Advanced Analysis capabilities and integration with MathWorks MATLAB Simulink for co-simulation. Advanced capabilities such as temperature and stress analysis, electro-mechanical simulation, worst-case analysis, Monte Carlo analysis, and curve-fit optimizers help engineers design high-performance circuits that are reliable and withstand parameter variation.


OrCAD PSpice Designer comparison matrix

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OrCAD PSpice Designer Datasheet


OrCAD PSpice Advanced Analysis


The Cadence PSpice Advanced Analysis Tools automatically fine tune your circuits for optimum performance and improved quality by using advanced simulations of critical metrics.

OrCAD PSpice Systems Option


Import PSpice simulation results into the MATLAB Environment and leverage advanced MATLAB plotting capabilities on the simulation results. The Simulink-PSpice Interface provides a design simulation environment for system and circuit level designs. Generate custom plots utilizing MATLAB functions.


OrCAD PCB Design suites


OrCAD PCB Design suites provide the industry's best mix of cutting edge capabilities and tremendous user value. With OrCAD suites you can be assured you have the technology you need to meet today's toughest design challenges.

OrCAD PSpice A/D benefits

  • Tight integration with schematic tools for improved accuracy
  • Improves simulation times, reliability, and convergence on larger designs
  • Improves speed without loss of accuracy via integrated analog and event-driven digital simulations
  • Explores circuit behavior using basic DC, AC, noise, and transient analyses
  • Allows system-level interfaces to be tested with actual electrical designs using PSpice Systems Option
  • Offers library selection of more than 20,000 analog and mixed-signal models
  • Allows for automatic identification of analog and digital signals and applies A-to-D and D-to-A interfaces
  • Explores design relationships with "what if" scenarios before committing to hardware
  • Maximizes circuit performance automatically using Optimizer
  • Identifies and simulates functional blocks of complex circuitry using mathematical expressions functions, and behavioral devices
  • Determines which components are over-stressed using Smoke analysis and observes component yields using Monte Carlo analysis to prevent board failures
  • Advanced simulation technology increases productivity, improves reliability, and speeds convergence on larger designs
  • MATLAB Simulink interface allows system-level interfaces to be tested with actual electrical designs emulating real-world applications

Industry Standard Circuit Simulation

Circuit Simulation allows you to easily set up and run simulations, and then cross-probe simulation results from probe the industry-standard waveform viewer. Support for multiple simulation profiles enables users to recall and run different simulations on the same schematic. The 16.5 release introduced the productivity enhancing feature of partial design simulation. Identify individual components of any design, and, using the partial design simulation feature, simulate only selected portions. Using this feature, you can simulate different circuits in the design with different simulation profiles. In addition, you can compare and merge portions of a design quickly.
Mixed Analog/Digital Simulations let you perform integrated analog and event-driven digital simulations to improve speed without loss of accuracy. A single graphical waveform analyzer displays mixed analog and digital simulation results on the same time axis.

PSpice Probe

Probe Windows allows users to choose from an expanded set of mathematical functions to apply to simulation output variables.
Designers can create plot window templates and use them to easily make complex measurements by simply placing markers directly on the desired pins, nets, and parts in the schematic.

  • View simulation results in multiple waveform windows
  • Select waveforms by name or by marking a net, pin, or part in the schematic
  • Utilize cross-probing markers once and they stay with the analysis. As you change and re-simulate the design, the marked waveforms appear after each simulation
  • View continuous, real-time “marching waveforms” as simulation progresses
  • Copy and paste high-resolution, scalable waveforms into other applications for producing documentation
  • Create plot window templates and use them to easily plot complex functions of signals, just by placing markers on desired pins, nets, and parts in the schematic
  • Measure performance characteristics of your circuit using built-in measurement functions or create your own measurements

Unmatched Speed and Performance

PSpice simulation is the fastest way to simulate your circuits and includes highly valuable features such as Checkpoint Restart and Auto-Convergence to make your processes even more efficient. One way PSpice improves speed without loss of accuracy is through integrated analog and event-driven digital simulations. Its powerful simulation engine greatly improves simulation times, reliability, and convergence on larger designs.

Accurate Internal Models

OrCAD PSpice A/D reduces the challenge of finding models for simulations by providing an extensive variety of models. In addition to these models, the OrCAD Marketplace also provides an ever growing source of models for designers as well. Between these two resources designers have access to 30,000+ models.
Device Equations Developer's Kit (DEDK) allows implementation of new internal model equations which can be used with PSpice.

Model Library Users can select from more than 30,000 analog and mixed-signal models of devices made in North America, Japan, and Europe.

  • More than 4,500 parametrized models for BJTs, JFETs, MOSFETs, IGBTs, SCRs, magnetic cores and toroids, power diodes and bridges, operational amplifiers, optocouplers, regulators, PWM controllers, Multipliers, timers, and sample-and-holds. These models allow passing simulation parameters as properties from the Schematic Editor
  • Access basic components plus a variety of macro-models for more complex devices, including operational amplifiers, comparators, regulators, optocouplers, ADCs, and DACs
  • Use state space average models to do fast feasibility simulations and control loop analysis for switched mode power supplies

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