Microchip Technology MCP3911 User Manual Download Page 7

Preface

 2012 Microchip Technology Inc.

DS52033A-page 7

RECOMMENDED READING

This user's guide describes how to use MCP3911 ADC Evaluation Board for 16-Bit 
MCUs. Another useful document is listed below. The following Microchip document is 
available and recommended as a supplemental reference resource:

MCP3911 Data Sheet - 

“3.3V Two Channel Analog Front End”

 (DS22286)

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DOCUMENT REVISION HISTORY

Revision A (March 2012)

• Initial release of this document.

Summary of Contents for MCP3911

Page 1: ...2012 Microchip Technology Inc DS52033A MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide...

Page 2: ...the U S A All other trademarks mentioned herein are property of their respective companies 2012 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Printed on recycled paper ISB...

Page 3: ...eral Usage Overview 11 1 3 Analog Input Structure 13 1 4 Universal Serial Bus USB 13 Chapter 2 Evaluation Board PC Software 2 1 Overview 15 Appendix A Schematics and Layouts A 1 Introduction 17 A 2 Sc...

Page 4: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 4 2012 Microchip Technology Inc NOTES...

Page 5: ...C Software Provides information about the evaluation board software Appendix A Schematics and Layouts Shows the schematic and board layouts for the MCP3911 ADC Evaluation Board for 16 Bit MCUs Appendi...

Page 6: ...Save Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format where N is the total number of digits R is the radix and n is a digit 4 b0010 2 hF1 Text in...

Page 7: ...software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing Busin...

Page 8: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 8 2012 Microchip Technology Inc NOTES...

Page 9: ...PIC24FJ256GA110 PIM module that communicates with the Energy Management Utility software for data exchange and ADC setup 1 1 1 Feature Highlights Dual ADC MCP3911 output display using serial communica...

Page 10: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 10 2012 Microchip Technology Inc FIGURE 1 1 MCP3911 Evaluation Board...

Page 11: ...r modulator and a third order sinc filter plus a first order sinc filter used for higher OSR s values This Delta Sigma A D converter has an adjustable oversampling ratio The CLKIN pin of the MCP3911 i...

Page 12: ...Clock Selection Jumpers External Crystal 1 2 2 Driving the Clock with the PIM Module The PIC MCU can be used to generate the CLKIN MCLK signal for the MCP3911 setting the ADC sample rate through the...

Page 13: ...e RS232 line driver is connected to the same UART pins of the MCU For this reason a 3 pin jumper J16 is present on the evaluation board to select which serial communication will be used USB or RS232 T...

Page 14: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 14 2012 Microchip Technology Inc NOTES...

Page 15: ...W This evaluation board uses the Energy Management Utility software for evaluation of the MCP3911 via a USB connection to the board A download link for this software can be found on the evaluation boa...

Page 16: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 16 2012 Microchip Technology Inc NOTES...

Page 17: ...ON This appendix contains the following schematics of the MCP3911 ADC Evaluation Board for 16 Bit MCUs Schematic ADC and Power Schematic Microcontroller MCU Schematic PIM Module Schematic LCD and UART...

Page 18: ...0603 R21 GNDA 5 1k 0603 R22 5 1k 0603 R15 0 1uF 0603 C9 0 1uF 0603 C8 HDR M 2x3 VERT 1 2 3 4 5 6 J1 HDR M 2x3 VERT 1 2 3 4 5 6 J4 GNDA GNDA GNDA 0 1uF 0603 C5 5 10 0603 R16 5 10 0603 R18 3911_MDAT0 39...

Page 19: ...OC1 RD0 72 PGD2 EMUD2 SOSCI CN1 RC13 73 PGC2 EMUC2 SOSCO T1CK CN0 RC14 74 VSS 75 OC2 RD1 76 OC3 RD2 77 OC4 RD3 78 IC5 RD12 79 IC6 CN19 RD13 80 OC5 CN13 RD4 81 OC6 CN14 RD5 82 OC7 CN15 RD6 83 OC8 UPDN...

Page 20: ...SCL1 RF3 U1TX RF2 U1RX GND RB14 PMPA1 RG6 PMPA5 SCK2 RB0 AN0 RB15 PMPA0 RG0 RF5 PMPA8 U2TX RB1 AN1 GND GND GND GND GND GND 3 3D 5V 9V 3 3D 5V 9V 3 3D 5V 9V 3 3D 5V 9V 3 3D 3 3D 3911_MDAT0 1 2 3 21 22...

Page 21: ...ND RC13 RF3 U1TX U8 RX GND RD14 U1CTS 0 1uF 0603 C32 0 1uF 0603 C33 0 1uF 0603 C34 0 1uF 0603 C35 GND GND 3 3D 3 3D 0 1uF 0603 C31 GND GND GND 5 1k 0603 R56 DB 9 RA_F 1 2 3 4 5 6 7 8 9 J14 C2 5 C2 6 V...

Page 22: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 22 2012 Microchip Technology Inc A 6 BOARD TOP TRACE AND TOP SILK A 7 BOARD BOTTOM TRACE AND BOTTOM SILK...

Page 23: ...Schematics and Layouts 2012 Microchip Technology Inc DS52033A page 23 A 8 BOARD LAYER 2 GND A 9 BOARD LAYER 3 VDD...

Page 24: ...MCP3911 ADC Evaluation Board for 16 Bit MCUs User s Guide DS52033A page 24 2012 Microchip Technology Inc A 10 BOARD TOP SILK AND PADS A 11 BOARD BOTTOM SILK AND PADS...

Page 25: ...hay Siliconix SI1307EDL T1 GE3 10 R1 R2 R23 R24 R40 R41 R43 R52 R31 R34 DO NOT POPULATE Res 0603 SMD 2 R20 R42 Res 1M Ohm 1 10W 1 0603 SMD Panasonic ECG ERJ 3EKF1004V 2 R27 R32 Res 0 Ohm 1 10W 0603 SM...

Page 26: ...al Semicon ductor LM1117MPX 5 0 NOPB 1 U5 3 3V Two Channel Analog Front End SSOP 20 Microchip MCP3911A0T I SS 2 U6 U7 Photocoupler Trans Out 4 Minipak Avago Technolo gies HCPL 181 00CE 1 U8 IC Line Dr...

Page 27: ...Bill of Materials BOM 2012 Microchip Technology Inc DS52033A page 27 NOTES...

Page 28: ...7 5533 Fax 86 21 5407 5066 China Shenyang Tel 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8203 2660 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xia...

Page 29: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip ADM00398...

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