Microchip Technology MCP355X User Manual
Microchip Technology MCP355X User Manual

Microchip Technology MCP355X User Manual

Tiny application sensor demo board

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MCP355X
Tiny Application Sensor
Demo Board User's Guide
© 2006 Microchip Technology Inc.
DS51598A

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Summary of Contents for Microchip Technology MCP355X

  • Page 1 MCP355X Tiny Application Sensor Demo Board User’s Guide © 2006 Microchip Technology Inc. DS51598A...
  • Page 2 Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies.
  • Page 3: Table Of Contents

    1.1 Introduction ..................... 5 1.2 What is the MCP355X Tiny Application Sensor Demo Board? ...... 5 1.3 What the MCP355X Tiny Application Sensor Demo Board Kit Includes ..5 Chapter 2. Installation and Operation ................. 7 2.1 Introduction ..................... 7 2.2 Features ......................
  • Page 4 MCP355X Tiny Application Sensor Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51598A-page iv...
  • Page 5: Preface

    Board as a development tool to emulate and debug firmware on a target board. The manual layout is as follows: • Chapter 1. “Product Overview” – This is an introduction to the MCP355X Tiny Application Sensor Demo Board. It covers the kit contents, associated tools and how they work together.
  • Page 6: Conventions Used In This Guide

    { ... RECOMMENDED READING This user's guide describes how to use the MCP355X Tiny Application Sensor Demo Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. MCP3550/1/3 Data Sheet, “Low-Power Single Channel 22-Bit Delta-Sigma ADCs”...
  • Page 7: The Microchip Web Site

    Technical support is available through the web site at: http://support.microchip.com DOCUMENT REVISION HISTORY Revision A (April 2006) • Initial Release of this Document. © 2006 Microchip Technology Inc. DS51598A-page 3...
  • Page 8 MCP355X Tiny Application Sensor Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51598A-page 4...
  • Page 9: Chapter 1. Product Overview

    DEMO BOARD USER’S GUIDE Chapter 1. Product Overview INTRODUCTION This chapter provides an overview of the MCP355X Tiny Application Sensor Demo Board and covers the following topics: • What is the MCP355X Tiny Application Sensor Demo Board? • What the MCP355X Tiny Application Sensor Demo Board kit includes WHAT IS THE MCP355X TINY APPLICATION SENSOR DEMO BOARD? The MCP3550/1/3 devices are 2.7V to 5.5V low-power, 22-bit Delta-Sigma...
  • Page 10 MCP355X Tiny Application Sensor Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51598A-page 6...
  • Page 11: Chapter 2. Installation And Operation

    Chapter 2. Installation and Operation INTRODUCTION The MCP355X Tiny Application Sensor Demo Board is designed to demonstrate the performance of the MCP3550/1/3 devices in a simple low-cost application. The circuit uses a ratiometric sensor configuration and uses the system power supply as the voltage reference.
  • Page 12: Functional Block Descriptions

    MCP355X Tiny Application Sensor Demo Board User’s Guide USB Power & Data USB Power (Digital) Power Supply USB Connector Filtering Digital Ground Analog Plane Ground PIC18F4550 Plane Analog Power & Reference MCP3551 SM5420 FIGURE 2-2: Block Diagram. FUNCTIONAL BLOCK DESCRIPTIONS 2.3.1...
  • Page 13 2.3.5 DataView Noise Analysis The system noise from the MCP355X Tiny Application Sensor Demo Board will be an aperiodic signal not having any wave or shape. This randomness is best dealt with in statistical properties, hence the RMS measurement of the Gaussian or normal distribu- tion.
  • Page 14 MCP355X Tiny Application Sensor Demo Board User’s Guide 2σ σ FIGURE 2-4: Two Normal or Gaussian Output Distributions. The DataView software tool is a visualization tool, showing real-time histograms using the MCP3551. The software also calculates the RMS noise of the current distribution.
  • Page 15: Appendix A. Schematic And Layouts

    MCP355X TINY APPLICATION SENSOR DEMO BOARD USER’S Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the MCP355X Tiny Application Sensor Demo Board User’s Guide: • Board Schematic • Board - Top Layer • Board - Bottom Layer SCHEMATICS AND PCB LAYOUT Figure A.3 “Board - Schematic”...
  • Page 16: Board - Schematic

    MCP355X Tiny Application Sensor Demo Board User’s Guide BOARD - SCHEMATIC © 2006 Microchip Technology Inc. DS51598A-page 12...
  • Page 17: Board Layout - Top Layer

    Schematic and Layouts BOARD LAYOUT - TOP LAYER © 2006 Microchip Technology Inc. DS51598A-page 13...
  • Page 18: Board Layout - Bottom Layer

    MCP355X Tiny Application Sensor Demo Board User’s Guide BOARD LAYOUT - BOTTOM LAYER © 2006 Microchip Technology Inc. DS51598A-page 14...
  • Page 19: Appendix B. Bill Of Materials (Bom)

    NOT INSTALLED – ® L1, L2 FERRITE 500MA 600 OHM 0805 SMD Steward Inc. HZ0805E601R-10 RoHS Compliant Bare PCB, MCP355X – 104-00093 Tiny Application Sensor Demo Board. R1, R2 NOT INSTALLED Open RES0805 RES 1.00K OHM 1/10W 1% 0805 SMD...
  • Page 20: Worldwide Sales And Service

    Fax: 949-462-9608 Tel: 886-2-2500-6610 Fax: 86-29-8833-7256 San Jose Fax: 886-2-2508-0102 Mountain View, CA Thailand - Bangkok Tel: 650-215-1444 Tel: 66-2-694-1351 Fax: 650-961-0286 Fax: 66-2-694-1350 Toronto Mississauga, Ontario, Canada Tel: 905-673-0699 Fax: 905-673-6509 02/16/06 © 2006 Microchip Technology Inc. DS51598A-page 16...
  • Page 21 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip MCP355XDM-TAS...

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