SBAU436B January   2024  – February 2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 EVM Analog Input Options
      1. 2.1.1 Differential SMA Inputs
      2. 2.1.2 Single-Ended SMA Inputs
      3. 2.1.3 Differential Input Pins
    2. 2.2 Power Supplies
    3. 2.3 ADC Connections and Decoupling
    4. 2.4 ADC Input Amplifiers
    5. 2.5 VCOM Buffer
    6. 2.6 Voltage Reference
    7. 2.7 Clock Tree
    8. 2.8 Digital Interfaces
    9. 2.9 Using the ADS1278EVM With an External Controller
  9. 3Software
    1. 3.1 ADS1278EVM Software Installation
  10. 4Implementation Results
    1. 4.1 Hardware Connections
    2. 4.2 GUI Settings for ADC Control
    3. 4.3 Time Domain Display
    4. 4.4 Frequency Domain Display
    5. 4.5 Histogram Display
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layouts
    3. 5.3 Bill of Materials (BOM)
  12. 6Additional Information
    1. 6.1 Trademarks
  13. 7References
  14. 8Revision History
  15. 9Revision History

5.2 PCB Layouts

Figure 2-6 through Figure 5-11 show the PCB layouts for the ADS1278 EVM.

ADS1278V2EVM-PDK Top Side Composite LayoutFigure 5-6 Top Side Composite Layout
ADS1278V2EVM-PDK Bottom Side Composite LayoutFigure 5-7 Bottom Side Composite Layout
ADS1278V2EVM-PDK Top Signal Layer LayoutFigure 5-8 Top Signal Layer Layout
ADS1278V2EVM-PDK Ground Layer LayoutFigure 5-9 Ground Layer Layout
ADS1278V2EVM-PDK Power Layer LayoutFigure 5-10 Power Layer Layout
ADS1278V2EVM-PDK Bottom Signal Layer LayoutFigure 5-11 Bottom Signal Layer Layout