User manual

Preface

RECOMMENDED READING

This user's guide describes how to use MCP3905A/06A Energy Meter Reference

Design. Other useful documents are listed below. The following Microchip documents

are available and recommended as supplemental reference resources.

• MCP3905 Data Sheet, “Energy Metering IC with Active Real Power Pulse

Output” (DS21948)

This data sheet provides detailed information regarding the MCP3905A device.

• AN994 Application Note “IEC Compliant Active Energy Meter Design Using

The MCP3905A/06A” (DS00994)

This application note documents the design decisions associated with this reference

design.

THE MICROCHIP WEB SITE

Microchip provides online support via our web site at www.microchip.com. This web

site is used as a means to make files and information easily available to customers.

Accessible by using your favorite Internet browser, the web site contains the following

information:

• Product Support – Data sheets and errata, application notes and sample

programs, design resources, user’s guides and hardware support documents,

latest software releases and archived software

• General Technical Support – Frequently Asked Questions (FAQs), technical

support requests, online discussion groups, Microchip consultant program

member listing

• Business of Microchip – Product selector and ordering guides, latest Microchip

press releases, listing of seminars and events, listings of Microchip sales offices,

distributors and factory representatives

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative

• Local Sales Office

• Field Application Engineer (FAE)

• Technical Support

Customers should contact their distributor, representative or field application engineer

(FAE) for support. Local sales offices are also available to help customers. A listing of

sales offices and locations is included in the back of this document.

Technical support is available through the web site at: http://support.microchip.com