MCP6286 Ver la hoja de datos (PDF) - Microchip Technology

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MCP6286

Low Noise, Low Power Op Amp

Microchip Technology 

5.0 DESIGN AIDS

Microchip provides the basic design tools needed for

the MCP6286 op amp.

5.1 SPICE Macro Model

The latest SPICE macro model for the MCP6286 op

amp is available on the Microchip web site at

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

in official Orcad (Cadence) owned PSPICE. For the

other simulators, it may require translation.

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 of the specification range listed in the

op amp data sheet. The model behaviors under these

conditions can not be guaranteed that it will 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 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,

simulate circuits. Circuits developed using the Mindi

Circuit Designer & Simulator can be downloaded to a

personal computer or workstation.

MCP6286

5.4 Microchip Advanced Part Selector

(MAPS)

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 website 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 Datasheets,

Purchase, and Sampling of Microchip parts.

5.5 Analog Demonstration and

Evaluation Boards

Microchip offers a broad spectrum of Analog

Demonstration 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.

Some boards that are especially useful are:

• 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, P/N VSUPEV2

5.6 Application Notes

The following Microchip Analog Design Note and

Application Notes are available on the Microchip web

site at 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

These application notes and others are listed in the

design guide:

• “Signal Chain Design Guide”, DS21825

© 2009 Microchip Technology Inc.

DS22196A-page 19

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