SBAS608C June   2014  – December 2015 ADS7042

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Companion Products
  6. 6 Device Comparison
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Characteristics
    7. 8.7 Typical Characteristics
  9. 9 Parameter Measurement Information
    1. 9.1 Digital Voltage Levels
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 Reference
      2. 10.3.2 Analog Input
      3. 10.3.3 ADC Transfer Function
      4. 10.3.4 Serial Interface
    4. 10.4 Device Functional Modes
      1. 10.4.1 Offset Calibration
        1. 10.4.1.1 Offset Calibration on Power-Up
        2. 10.4.1.2 Offset Calibration During Normal Operation
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Applications
      1. 11.2.1 Single-Supply DAQ with the ADS7042
        1. 11.2.1.1 Design Requirements
        2. 11.2.1.2 Detailed Design Procedure
          1. 11.2.1.2.1 Antialiasing Filter
          2. 11.2.1.2.2 Input Amplifier Selection
          3. 11.2.1.2.3 Reference Circuit
        3. 11.2.1.3 Application Curve
      2. 11.2.2 DAQ Circuit with the ADS7042 for Maximum SINAD
        1. 11.2.2.1 Design Requirements
        2. 11.2.2.2 Detailed Design Procedure
        3. 11.2.2.3 Application Curves
      3. 11.2.3 12-Bit, 10-kSPS DAQ Circuit Optimized for DC Sensor Measurements
        1. 11.2.3.1 Design Requirements
        2. 11.2.3.2 Detailed Design Procedure
        3. 11.2.3.3 Application Curve
  12. 12Power-Supply Recommendations
    1. 12.1 AVDD and DVDD Supply Recommendations
    2. 12.2 Estimating Digital Power Consumption
    3. 12.3 Optimizing Power Consumed by the Device
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Documentation Support
      1. 14.1.1 Related Documentation
    2. 14.2 Community Resources
    3. 14.3 Trademarks
    4. 14.4 Electrostatic Discharge Caution
    5. 14.5 Glossary
  15. 15Mechanical, Packaging, and Orderable Information

9 Parameter Measurement Information

9.1 Digital Voltage Levels

The device complies with the JESD8-7A standard for DVDD from 1.65 V to 1.95 V. Figure 30 shows voltage levels for the digital input and output pins.

ADS7042 tim_level_bas608.gif Figure 30. Digital Voltage Levels as per the JESD8-7A Standard