MCP6482-ESLASHMS datasheet(21/50 Pages) MICROCHIP

21 / 50 page

 2012-2013 Microchip Technology Inc.

DS20002322C-page 21

MCP6481/2/4

5.0

DESIGN AIDS

Microchip Technology Inc. provides the basic design

tools needed for the MCP6481/2/4 family of op amps.

5.1

SPICE Macro Model

The latest SPICE macro model for the MCP6481/2/4

op amps is available on the Microchip web site at

www.microchip.com. The model was written and tested

in PSpice, owned by Orcad (Cadence®). For other

simulators, translation may be required.

The model covers a wide aspect of the op amp’s

electrical specifications. Not only does the model cover

voltage, current and resistance of the op amp, but it

also covers the temperature and noise effects on the

behavior of the op amp. The model has not been

verified outside the specification range listed in the op

amp data sheet. The model behaviors under these

conditions cannot be guaranteed to match the actual

op amp performance.

Moreover, the model is intended to be an initial design

tool. 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

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,

MAPS is an overall selection tool for Microchip’s prod-

uct 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, purchases and

sampling of Microchip parts. The web site is available

at www.microchip.com/maps.

5.4

Analog Demonstration and

Evaluation Boards

Microchip

offers

broad

spectrum

Analog

Demonstration

and

Evaluation

Boards

that

are

designed to help you achieve faster time to market. For

complete

listing

these

boards

and

their

corresponding user’s guides and technical information,

visit the Microchip web site:

www.microchip.com/analogtools.

Some boards that are especially useful include:

• MCP6XXX Amplifier Evaluation Board 1

• MCP6XXX Amplifier Evaluation Board 2

• MCP6XXX Amplifier Evaluation Board 3

• MCP6XXX Amplifier Evaluation Board 4

• Active Filter Demo Board Kit

• 5/6-Pin SOT-23 Evaluation Board, part number

VSUPEV2

• 8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board,

part number SOIC8EV

5.5

Application Notes

The following Microchip analog design note and

application notes are available on the Microchip web

site

www.microchip.com/appnotes,

and

are

recommended as supplemental reference 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

• AN1177: “Op Amp Precision Design: DC Errors”,

DS01177

• AN1228: “Op Amp Precision Design: Random

Noise”, DS01228

• AN1297: “Microchip’s Op Amp SPICE Macro

Models”’ DS01297

• AN1332: “Current Sensing Circuit Concepts and

Fundamentals”’ DS01332

• AN1494: “Using MCP6491 Op Amps for

Photodetection Applications" DS01494

These application notes and others are listed in:

• “Signal Chain Design Guide”, DS21825

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