SBAU427 July   2025 ADS131E08

 

  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 Device Information
    4. 1.4 Specification
  8. 2Hardware
    1. 2.1 EVM Analog Inputs
    2. 2.2 Power Supplies
    3. 2.3 ADC Connections and Decoupling
    4. 2.4 Voltage Reference
    5. 2.5 Op Amp Common-Mode Bias
    6. 2.6 Digital Interface
    7. 2.7 EEPROM
  9. 3Software
    1. 3.1 Software Description
    2. 3.2 Software Installation
  10. 4Implementation Results
    1. 4.1 Hardware Connections
    2. 4.2 Optional EVM Configuration
    3. 4.3 GUI Software Operation
      1. 4.3.1 EVM Register Settings
      2. 4.3.2 GUI Settings for ADC Control
      3. 4.3.3 Time Domain Display
      4. 4.3.4 Frequency Domain Display
      5. 4.3.5 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

Specification

The following specifications are applicable to the EVM and the PHI controller.
Table 1-2 ADS131E08EVM-PDK Specifications
PARAMETERCONDITIONSVALUE
Temperature

Recommended operating free-air temperature range, TA

15°C to 35°C

Power supply input range

Voltage input range for J13 ()

+5.5V to +6.5V

Supply current range |IS|

300mA ≤ |IS| ≤ 500mA

Analog input voltage range

Recommended

analog input voltage for CH1-CH8

0V to Vref/Gain

EXT clock frequency

CLKSEL pin = 0,

(AVDD - AVSS) = 3V

1.7 to 2.25MHz

CLKSEL pin = 0,

(AVDD - AVSS) = 5V

1.0 to 2.25MHz

Digital logic input levelsRecommended digital voltage high level (VIH)

0.8 DVDD ≤ VIH ≤ DVDD+0.1

Recommended digital voltage low level (VIL)

0.2 DVDD ≥ VIL ≥ DGND

ADS131E08 AVDD Voltage range

Voltage supplied to ADS131E08 AVDD pins from onboard regulator or external source

+2.7V to +5.25V

ADS131E08 DVDD voltage rangeVoltage supplied to ADS131E08 DVDD pin from PHI or external source

+1.7V to +3.6V

ADS131E08 VREF voltage range

Voltage supplied to JP3 (optional VREF input)

+2V to AVDD