Microchip Technology MCP6S22 PGA PICtail Скачать руководство пользователя страница 26

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2004 Microchip Technology Inc.

DS51327B-page 21

A.7

BOTTOM METAL LAYER

Содержание MCP6S22 PGA PICtail

Страница 1: ...ss mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer...

Страница 2: ...2004 Microchip Technology Inc DS51327B MCP6S2X Evaluation Board Rev 4 User s Guide...

Страница 3: ...spective companies 2004 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Printed on recycled paper Note the following details of the code protection feature on Microchip devi...

Страница 4: ...ation Board Rev 4 7 1 1 Introduction 7 1 2 Evaluation Board Description 8 1 3 How it is used 9 1 4 How it works 10 Appendix A Schematic and Board Layouts 15 A 1 Introduction 12 A 2 Schematic 16 A 3 To...

Страница 5: ...2004 Microchip Technology Inc Appendix D Setup Conditions 29 D 1 DIP Switch Configurations Stand Alone Mode 29 D 2 Momentary Push Button Switch 30 D 3 SMA Connectors 30 D 4 Test Points 31 D 5 Referenc...

Страница 6: ...ual is no exception Microchip tools and documentation are constantly evolving to meet customer needs so some actual dialogs and or tool descriptions may differ from those in this document Please refer...

Страница 7: ...o use the various features of the MCP6S2X Evaluation Board Rev 4 Appendix A Schematic shows the schematic and printed circuit board PCB layout diagrams for the MCP6S2X Evaluation Board Rev 4 Appendix...

Страница 8: ...racters A dialog button Click OK A tab Click the Power tab bnnnn A binary number where n is a digit b00100 b10 Text in angle brackets A key on the keyboard Press Enter F1 Courier font Plain Courier Sa...

Страница 9: ...epresentatives DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE Microchip s customer notification service helps keep customers current on Microchip products Subscribers will receive e mail not...

Страница 10: ...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 micro...

Страница 11: ...MCP6S2X Evaluation Board Rev 4 User s Guide DS51327B page 6 2004 Microchip Technology Inc NOTES...

Страница 12: ...tion board schematic is shown in Figure 1 1 This board uses the MCP6S21 and MCP6S26 to allow the user to connect two signal sources to evaluate the PGAs The 10 k pull up resistors provide noise immuni...

Страница 13: ...The ICSP connector provides the capability of programming the PIC16F676 from a PC This requires additional hardware such as MPLAB ICD 2 The two PGAs are cascaded while the signal output of the MCP6S26...

Страница 14: ...ge is at the proper level to avoid railing the amplifier output when the signal is gained Refer to Section 1 4 5 Reference Voltage for additional information 5 Refer to the Table 1 1 and select the de...

Страница 15: ...ions stored in the memory registers The MCP6S21 2 6 8 family of PGAs provide various input channel options one two six or eight channel inputs respectively The non inverting input of the internal prec...

Страница 16: ...ow and sends the 32 bit word through the SPI line The first 16 bit word contains the command and data bytes for the MCP6S21 while the next 16 bit word contains the command and data bytes for the MCP6S...

Страница 17: ...the on board jumper connector JP1 refer to Appendix D Setup Conditions and D 5 Reference Voltage Jumper Positions for more information FIGURE 1 3 Simplified Reference Voltage Schematic The input and o...

Страница 18: ...d the extreme bottom switch is the Least Significant Bit LSB Pushing the switches right corresponds to the 1 as shown on Table 1 1 Once the DIP switch is configured to the desired setting the READ pus...

Страница 19: ...MCP6S2X Evaluation Board Rev 4 User s Guide DS51327B page 14 2004 Microchip Technology Inc NOTES...

Страница 20: ...nd bottom layers are for components and traces The second layer is the ground plane and the third layer is VDD the power plane Diagrams included in this appendix include Schematic Top Silk Screen Laye...

Страница 21: ...uF C10 2 2uF R8 100K R7 100K VR1 10K POT VDD C8 1 0 F C9 0 1 uF R9 100K MSB LSB R15 10K R14 10K R13 10K R11 10K R12 10K VOUT 2 VOUT 1 VIN 0 VIN 1 VDD VDD 1 2 3 4 5 6 7 8 9 9 10 OFFON OFFON OFFON OFFON...

Страница 22: ...2004 Microchip Technology Inc DS51327B page 17 A 3 TOP SILK SCREEN...

Страница 23: ...MCP6S2X Evaluation Board Rev 4 User s Guide DS51327B page 18 2004 Microchip Technology Inc A 4 TOP METAL LAYER...

Страница 24: ...2004 Microchip Technology Inc DS51327B page 19 A 5 GROUND PLANE LAYER...

Страница 25: ...MCP6S2X Evaluation Board Rev 4 User s Guide DS51327B page 20 2004 Microchip Technology Inc A 6 POWER PLANE LAYER...

Страница 26: ...2004 Microchip Technology Inc DS51327B page 21 A 7 BOTTOM METAL LAYER...