MCP6L91RTESLASHMS datasheet(15/40 Pages) MICROCHIP

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DS20002141C-page 15

MCP6L91/1R/2/4

5.0

DESIGN AIDS

Microchip provides the basic design aids needed for

the MCP6L91/1R/2/4 family of op amps.

5.1

SPICE Macro Model

The latest SPICE macro model for the MCP6L91/1R/2/4

op amps is available on the Microchip website at

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

in official Orcad (Cadence) owned PSPICE. 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 of the specification range listed in the

op amp data sheet. The model behaviors under these

conditions cannot be ensured 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 soft-

ware tool that simplifies analog active filter (using op

amps) design. Available at no cost from the Microchip

website 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

Microchip Advanced Part Selector

(MAPS)

MAPS is a software tool that helps efficiently identify

Microchip devices that fit a particular design require-

ment. 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, a customer 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.

5.4

Analog Demonstration and

Evaluation Boards

Microchip offers a broad spectrum of Analog Demon-

stration and Evaluation Boards that are designed to

help customers achieve faster time to market. For a

complete listing of these boards and their correspond-

ing user’s guides and technical information, visit the

Microchip website 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

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

P/N SOIC8EV

• 14-Pin SOIC/TSSOP/DIP Evaluation Board,

P/N SOIC14EV

5.5

Application Notes

The following Microchip Application Notes are available

on the Microchip website 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

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