SBAS676C November   2014  – December 2015 ADS7040

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Digital Voltage Levels
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Reference
      2. 8.3.2 Analog Input
      3. 8.3.3 ADC Transfer Function
      4. 8.3.4 Serial Interface
    4. 8.4 Device Functional Modes
      1. 8.4.1 Offset Calibration
        1. 8.4.1.1 Offset Calibration on Power-Up
        2. 8.4.1.2 Offset Calibration During Normal Operation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Single-Supply DAQ with the ADS7040
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Antialiasing Filter
          2. 9.2.1.2.2 Input Amplifier Selection
          3. 9.2.1.2.3 Reference Circuit
        3. 9.2.1.3 Application Curve
      2. 9.2.2 DAQ Circuit with the ADS7040 for Maximum SINAD
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 8-Bit, 10-kSPS DAQ Circuit Optimized for DC Sensor Measurements
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curve
  10. 10Power-Supply Recommendations
    1. 10.1 AVDD and DVDD Supply Recommendations
    2. 10.2 Estimating Digital Power Consumption
    3. 10.3 Optimizing Power Consumed by the Device
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DCU|8
  • RUG|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from B Revision (February 2015) to C Revision

  • Updated Figure 1 Go
  • Changed Serial Interface section: changed last half of first paragraph, changed Figure 35Go
  • Changed Figure 38 Go
  • Added Community Resources section Go

Changes from A Revision (November 2014) to B Revision

  • Changed Wide Operating Range Features bullet: changed the value of AVDD from 1.8 V to 1.65 V Go
  • Changed the wide analog input voltage range value to 1.65 V in first paragraph of Description sectionGo
  • Changed ESD Ratings table to latest standards Go
  • Changed AVDD parameter minimum specification in Recommended Operating Conditions table to 1.65 VGo
  • Changed AVDD range in conditions of Electrical Characteristics tableGo
  • Changed INL and DNL parameter test conditions in Electrical Characteristics tableGo
  • Changed maximum throughput rate parameter test conditions in Electrical Characteristics tableGo
  • Changed AVDD parameter minimum specification in Electrical Characteristics tableGo
  • Changed conditions for Timing Characteristics table: changed range of AVDD and added CLOAD conditionGo
  • Changed t D_CKDO parameter in Timing Characteristics table Go
  • Added fSCLK minimum specification to Timing Characteristics table Go
  • Changed titles of Figure 26 to Figure 30 Go
  • Changed Reference sub-section in Feature Description sectionGo
  • Changed range of second fCLK-CAL parameter description in Table 2Go
  • Changed range of second fCLK-CAL parameter description in Table 3 Go
  • Changed Reference Circuit section in Application InformationGo
  • Added last two sentences to AVDD and DVDD Supply Recommendations section Go

Changes from * Revision (November 2014) to A Revision

  • Made changes to product preview data sheetGo