SBAU439 January   2024

 

  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 Analog Interface
      1. 2.1.1 ADC Channel Inputs
        1. 2.1.1.1 High-bandwidth, Fully-Differential Circuit: THS4551
        2. 2.1.1.2 Precision, High-CMRR Circuit: PGA855
      2. 2.1.2 Voltage Reference
    2. 2.2 Power Supplies
      1. 2.2.1 USB Power and When to Power the Board Externally
    3. 2.3 Digital Interface and Clock Inputs
      1. 2.3.1 Digital Interface Connections
      2. 2.3.2 Clock Select
    4. 2.4 ADS9227EVM Quick Start Guide
  9. 3Software
    1. 3.1 ADS9227EVM Software Reference
      1. 3.1.1 ADS9227EVM-GUI Software Installation
      2. 3.1.2 USB Driver Installation
      3. 3.1.3 Using the CONFIG Tab
      4. 3.1.4 Using the Capture Tab
      5. 3.1.5 Using the INL/DNL Tool
      6. 3.1.6 Using the Histogram Tab
  10. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layout
    3. 4.3 Bill of Materials (BOM)
  11. 5Additional Information
    1.     Trademarks
  12. 6Related Documentation

4.1 Schematics

The schematics below show the various connections to the ADS9227 device. The digital signals connect to J10, as shown in , and the analog signals connect to SMA connectors and input filtering. also shows the decoupling for the device.

GUID-20231121-SS0I-SPVD-MBF2-HNTXDGCN1FGZ-low.svgFigure 4-1 ADS9227 Device Connections Schematic
GUID-20231121-SS0I-VW3W-LN3S-LQS4LXH20SCN-low.svgFigure 4-2 Input Connections
GUID-20231121-SS0I-1SQB-W9NG-D0KKWZZW2LPS-low.svg Figure 4-3 Power Connections and Regulators Schematic
GUID-20231121-SS0I-CBKW-S2DC-0MB9GLGVJ4NX-low.svgFigure 4-4 Digital Connector Schematic