MCP3901EV-MCU16 Microchip Technology, MCP3901EV-MCU16 Datasheet - Page 3

• Manufacturer Part Number: MCP3901EV-MCU16
• Description: BOARD EVAL FOR 2CH ADC MCP3901
• Manufacturer: Microchip Technology

Specifications of MCP3901EV-MCU16

• Number Of Adc's: 2
• Number Of Bits: 24
• Data Interface: SPI™
• Inputs Per Adc: 1 Differential
• Input Range: ±1 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: MCP3901
• Silicon Manufacturer: Microchip
• Application Sub Type: ADC
• Kit Application Type: Data Converter
• Silicon Core Number: MCP3901, PIC24F, PIC24H, DsPIC33, PIC18F86J55
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Preface ........................................................................................................................... 1
Chapter 1. Hardware Description
Chapter 2. Firmware
Chapter 3. MCP3901 PC Software Tool
Appendix A. Schematics and Layouts
© 2009 Microchip Technology Inc.
Introduction............................................................................................................ 1
Document Layout .................................................................................................. 1
Conventions Used in this Guide ............................................................................ 2
Recommended Reading........................................................................................ 3
The Microchip Web Site ........................................................................................ 3
Customer Support ................................................................................................. 3
Document Revision History ................................................................................... 3
1.1 Overview ........................................................................................................ 5
1.2 PIM Module / MCP3901 Connection and Peripheral Usage Overview .......... 7
1.3 MCP3901 Delta-Sigma Sampling / MCLK Options ........................................ 7
1.4 Analog Input Structure .................................................................................... 9
1.5 Universal Serial Bus (USB) ............................................................................ 9
2.1 DSPIC33 Firmware Description ................................................................... 11
2.2 Data Acquisition ........................................................................................... 12
2.3 UART Communication Protocol ................................................................... 14
3.1 Software Overview ....................................................................................... 17
3.2 Setting the Configuration of the ADC ........................................................... 18
3.3 Connectivity and Recording Length ............................................................. 18
3.4 Scope Plot Window - Time Domain Analysis ............................................... 18
3.5 Histogram Window - Noise Analysis ............................................................ 18
3.6 FFT Window - Frequency Domain Analysis ................................................. 19
A.1 Introduction .................................................................................................. 21
A.2 Schematic - Analog ...................................................................................... 22
A.3 Schematic - LCD and UART ....................................................................... 23
A.4 Schematic - USB and Memory ..................................................................... 24
A.5 Schematic - Microcontroller (MCU) .............................................................. 25
A.6 Schematic - PIM Module .............................................................................. 26
A.7 Schematic - Power ....................................................................................... 27
A.8 Board - Top Trace and Top Silk ................................................................... 28
A.9 Board - Bottom Trace and Bottom Silk ........................................................ 28
A.10 Board - Layer #2 VDD ............................................................................... 29
MCP3901 ADC EVALUATION BOARD
Table of Contents
FOR 16-BIT MCUs USER’S GUIDE
DS51845A-page iii