MCP6281-ESLASHMS datasheet(18/36 Pages) MICROCHIP

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MCP6281/1R/2/3/4/5

DS21811E-page 18

5.0

DESIGN AIDS

Microchip provides the basic design tools needed for

the MCP6281/1R/2/3/4/5 family of op amps.

5.1

SPICE Macro Model

The latest SPICE macro model for the MCP6281/1R/2/

3/4/5 op amps is available on the Microchip web site at

www.microchip.com. This model is intended to be an

initial design tool that works well in the op amp’s linear

region of operation over the temperature range. See

the model file for information on its capabilities.

Bench testing is a very important part of any design and

cannot be replaced with simulations. Also, simulation

results using this macro model need to be validated by

comparing them to the data sheet specifications and

characteristic curves.

5.2

FilterLab® Software

Microchip’s FilterLab® software is an innovative

software tool that simplifies analog active filter (using

op amps) design. Available at no cost from the

Microchip web site at www.microchip.com/filterlab, the

FilterLab design tool provides full schematic diagrams

of the filter circuit with component values. It also

outputs the filter circuit in SPICE format, which can be

used with the macro model to simulate actual filter

performance.

5.3

Mindi™ Circuit Designer &

Simulator

Microchip’s Mindi™ Circuit Designer & Simulator aids

in the design of various circuits useful for active filter,

amplifier and power-management applications. It is a

free online circuit designer & simulator available from

the Microchip web site at www.microchip.com/mindi.

This interactive circuit designer & simulator enables

designers to quickly generate circuit diagrams, simu-

late circuits. Circuits developed using the Mindi Circuit

Designer & Simulator can be downloaded to a personal

computer or workstation.

5.4

MAPS (Microchip Advanced Part

Selector)

MAPS is a software tool that helps semiconductor

professionals efficiently identify Microchip devices that

fit a particular design requirement. Available at no cost

from the Microchip web site at www.microchip.com/

maps, the MAPS is an overall selection tool for

Microchip’s product portfolio that includes Analog,

Memory, MCUs and DSCs. Using this tool you can

define a filter to sort features for a parametric search of

devices and export side-by-side technical comparison

reports. Helpful links are also provided for Data sheets,

Purchase, and Sampling of Microchip parts.

5.5

Analog Demonstration and

Evaluation Boards

Microchip offers a broad spectrum of Analog Demon-

stration and Evaluation Boards that are designed to

help you achieve faster time to market. For a complete

listing of these boards and their corresponding user’s

guides and technical information, visit the Microchip

web site at www.microchip.com/analogtools.

Two of our boards that are especially useful are:

• P/N SOIC8EV: 8-Pin SOIC/MSOP/TSSOP/DIP

Evaluation Board

• P/N SOIC14EV: 14-Pin SOIC/TSSOP/DIP

Evaluation Board

5.6

Application Notes

The following Microchip Application Notes are avail-

able on the Microchip web site at www.microchip. com/

appnotes and are recommended as supplemental ref-

erence resources.

ADN003: “Select the Right Operational Amplifier for

your Filtering Circuits”, DS21821

AN722: “Operational Amplifier Topologies and DC

Specifications”, DS00722

AN723: “Operational Amplifier AC Specifications and

Applications”, DS00723

AN884: “Driving Capacitive Loads With Op Amps”,

DS00884

AN990: “Analog Sensor Conditioning Circuits – An

Overview”, DS00990

These application notes and others are listed in the

design guide:

“Signal Chain Design Guide”, DS21825

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