SLVSL58 September   2026

ADVANCE INFORMATION  

  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
    5. 1.5 Getting Started with the ADS111C04EVM
  8. 2Hardware
    1. 2.1 ADS111C04EVM and ADS111C02EVM
      1. 2.1.1 Power Supplies (ADS111C02EVM and ADS111C04EVM)
      2. 2.1.2 Serial Interface (ADS111C02EVM and ADS111C04EVM)
        1. 2.1.2.1 Digital Signal Connections (ADS111C02EVM and ADS111C04EVM)
        2. 2.1.2.2 Level Translator (ADS111C02EVM and ADS111C04EVM)
      3. 2.1.3 ADS111C04EVM
        1. 2.1.3.1 ADC Connections and Decoupling (ADS111C04EVM)
        2. 2.1.3.2 Analog Inputs (ADS111C04EVM)
      4. 2.1.4 ADS111C02EVM
        1. 2.1.4.1 ADC Connections and Decoupling (ADS111C02EVM)
        2. 2.1.4.2 Analog Inputs (ADS111C02EVM)
    2. 2.2 ADS111S04EVM and ADS111S02EVM
      1. 2.2.1 Power Supplies (ADS111S02EVM and ADS111S04EVM)
      2. 2.2.2 Serial Interface (ADS111S02EVM and ADS111S04EVM)
        1. 2.2.2.1 Digital Signal Connections (ADS111S02EVM and ADS111S04EVM)
        2. 2.2.2.2 Level Translator (ADS111S02EVM and ADS111S04EVM)
      3. 2.2.3 ADS111S04EVM
        1. 2.2.3.1 ADC Connections and Decoupling (ADS111S04EVM)
        2. 2.2.3.2 Analog Inputs (ADS111S04EVM)
      4. 2.2.4 ADS111S02EVM
        1. 2.2.4.1 ADC Connections and Decoupling (ADS111S02EVM)
        2. 2.2.4.2 Analog Inputs (ADS111S02EVM)
  9. 3Software
    1. 3.1 Software Description
  10. 4Hardware Design Files
    1. 4.1 Schematics (ADS111C04EVM)
    2. 4.2 Schematics (ADS111C02EVM)
    3. 4.3 Schematics (ADS111S04EVM)
    4. 4.4 Schematics (ADS111S02EVM)
    5. 4.5 Schematics (EVM Hardware)
    6. 4.6 PCB Layouts
    7. 4.7 Bill of Materials (BOM)
  11. 5Additional Information
    1. 5.1 Trademarks

2.2.4.1 ADC Connections and Decoupling (ADS111S02EVM)

Figure 2-19 shows the connections to the ADS111S02 data converter (U2). The device includes a 0.1μF decoupling capacitor placed as close as possible to the ADC VDD pin (ADC_VDD net). This capacitor provides bulk charge to support transient current demand during ADC operation.

Each digital pin includes a 47Ω series resistor. These resistors smooth digital signal edges to minimize overshoot and ringing.

ADS111C02EVM ADS111C04EVM ADS111S02EVM ADS111S04EVM ADC Connections and Decoupling (ADS111S02EVM) Figure 2-19 ADC Connections and Decoupling (ADS111S02EVM)