 2002 Microchip Technology Inc.

21668A-page 16

MCP6141/2/3/4

Software License Agreement

The software supplied herewith by Microchip Technology Incorporated (the “Company”) is intended and supplied to you, the Com-

pany’s customer, for use solely and exclusively on Microchip products.

The software is owned by the Company and/or its supplier, and is protected under applicable copyright laws. All rights are reserved.

Any use in violation of the foregoing restrictions may subject the user to criminal sanctions under applicable laws, as well as to civil

liability for the breach of the terms and conditions of this license.

THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATU-

TORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICU-

LAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR

SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.

.SUBCKT MCP6141 1 2 3 4 5

*

| | | | |

*

| | | | Output

*

| | | Negative Supply

*

| | Positive Supply

*

| Inverting Input

*

Non-inverting Input

*

* Macromodel for the MCP6141/2/3/4 op amp family:

*

MCP6141 (single)

*

MCP6142 (dual)

*

MCP6143 (single w/ CS; chip select is not modeled)

*

MCP6144 (quad)

*

* Revision History:

*

REV A: 06-Sep-02, KEB (created model)

*

* Recommendations:

*

Use PSPICE (or SPICE 2G6; other simulators may require translation)

*

For a quick, effective design, use a combination of: data sheet

*

specs, bench testing, and simulations with this macromodel

*

For high impedance circuits, set GMIN=100F in the .OPTIONS

*

statement

*

* Supported:

*

Typical performance at room temperature (25 degrees C)

*

DC, AC, Transient, and Noise analyses.

*

Most specs, including: offsets, DC PSRR, DC CMRR, input impedance,

*

open loop gain, voltage ranges, supply current, ... , etc.

*

* Not Supported:

*

Chip select (MCP6143)

*

Variation in specs vs. Power Supply Voltage

*

Distortion (detailed non-linear behavior)

*

Temperature analysis

*

Process variation

*

Behavior outside normal operating region

*

* Input Stage

V10

3 10 -300M

R10 10 11 258K

R11 10 12 258K

C11 11 12 3.53P

C12

1

0 6.00P

E12

1 14 POLY(4) 20 0 21 0 26 0 27 0

1.00M 117 117 1 1

I12 14

0 1.50P

M12 11 14 15 15 NMI L=2.00U W=5.00U

C13 14

2 6.00P

M14 12

2 15 15 NMI L=2.00U W=5.00U

I14

2

0 500E-15

C14

2

0 6.00P