SBAU493 October   2026

 

  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 Inputs
    2. 2.2 ADC Connections and Decoupling
    3. 2.3 Digital Interface
    4. 2.4 Power Supplies
    5. 2.5 Voltage Reference
    6. 2.6 Clocking
    7. 2.7 Using the ADS125R14 EVM With an External Controller
  9. 3Software Installation and Hardware Connections
    1. 3.1 ADS125R14 EVM GUI Installation
    2. 3.2 ADS125R14 EVM Hardware Connections
  10. 4GUI Operation
    1. 4.1 GUI Navigation and Home Page
    2. 4.2 ADC Configuration
    3. 4.3 Register Settings
    4. 4.4 Analysis Page
      1. 4.4.1 Time-Domain Plot View
      2. 4.4.2 Frequency-Domain Plot View
  11. 5Hardware Design Files
    1. 5.1 Schematics
    2. 5.2 PCB Layouts
    3. 5.3 Bill of Materials (BOM)
  12. 6Additional Information
    1.     Trademarks
  13. 7References

4.4.2 Frequency-Domain Plot View

Figure 4-8 shows the spectral analysis tool that evaluates the dynamic performance (SNR, THD, SFDR, SINAD, and ENOB) of the ADS125R14. This dynamic performance is calculated by single-tone sinusoidal signal FFT analysis using the 7-term Blackman-Harris window setting. The 7-term Blackman-Harris window has sufficient dynamic range to resolve the frequency components of a 24-bit ADC.


ADS125R14EVM-PDK ADS125R14 EVM GUI Analysis Page - Frequency-Domain View

Figure 4-8 ADS125R14 EVM GUI Analysis Page - Frequency-Domain View