SBAU249A October   2015  – July 2025 ADS9110

 

  1.   1
  2.   2
  3.   Trademarks
  4. 1Evaluation Module Overview
    1. 1.1 ADS9110EVM-PDK Features
    2. 1.2 ADS9110EVM Features
  5. 2Analog Interface
    1. 2.1 Connectors for Differential Signal Source
    2. 2.2 ADC Differential Input Signal Driver
      1. 2.2.1 Input Signal Path
      2. 2.2.2 Input Common-Mode Jumper Configuration
      3. 2.2.3 R1 Setting vs Source Impedance
    3. 2.3 Onboard ADC Reference
  6. 3Digital Interfaces
    1. 3.1 multiSPI® for ADC Digital IO
  7. 4Power Supplies
  8. 5 ADS9110EVM-PDK Initial Setup
    1. 5.1 Default Jumper Settings
    2. 5.2 EVM Graphical User Interface (GUI) Software Installation
  9. 6 ADS9110EVM-PDK Operation
    1. 6.1 EVM GUI Global Settings for ADC Control
    2. 6.2 Register Map Configuration Tool
    3. 6.3 Time Domain Display Tool
    4. 6.4 Spectral Analysis Tool
    5. 6.5 Histogram Tool
    6. 6.6 Linearity Analysis Tool
  10. 7Hardware Design Files
    1. 7.1 Schematics
    2. 7.2 PCB Layout
    3. 7.3 Bill of Materials
  11. 8Revision History

6.5 Histogram Tool

Noise degrades ADC resolution and the histogram tool can be used to estimate effective resolution, which is an indicator of the number of bits of ADC resolution losses resulting from noise generated by the various sources connected to the ADC when measuring a dc signal. The cumulative effect of noise coupling to the ADC output from sources such as the input drive circuits, the reference drive circuit, the ADC power supply, and the ADC is reflected in the standard deviation of the ADC output code histogram that is obtained by performing multiple conversions of a dc input applied to a given channel.

The histogram corresponding to a dc input is displayed on clicking the Capture button, as shown in Figure 6-6:

Histogram Analysis ToolFigure 6-6 Histogram Analysis Tool