SBAS804F September   2017  – June 2021 REF3425 , REF3430 , REF3433 , REF3440 , REF3450

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Solder Heat Shift
    2. 8.2 Long-Term Stability
    3. 8.3 Thermal Hysteresis
    4. 8.4 Power Dissipation
    5. 8.5 Noise Performance
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Supply Voltage
      2. 9.3.2 Low Temperature Drift
      3. 9.3.3 Load Current
    4. 9.4 Device Functional Modes
      1. 9.4.1 EN Pin
      2. 9.4.2 Negative Reference Voltage
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application: Basic Voltage Reference Connection
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Input and Output Capacitors
        2. 10.2.2.2 4-Wire Kelvin Connections
        3. 10.2.2.3 VIN Slew Rate Considerations
        4. 10.2.2.4 Shutdown/Enable Feature
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from Revision E (April 2021) to Revision F (June 2021)

  • Added low dropout line item to Features sectionGo
  • Consolidated part numbers in Device Information tableGo
  • Changed Thermal Information parameters to correctly reflect DBV packageGo
  • Added second cycle thermal hysteresis plotGo
  • Linked product numbers in table to datasheetsGo

Changes from Revision D (February 2021) to Revision E (April 2021)

  • Removed the "Product Preview" note for the REF34xxT package optionsGo

Changes from Revision C (January 2021) to Revision D (February 2021)

  • Updated description and figuresGo
  • Changed ENABLE TO ENGo
  • Updated valuesGo

Changes from Revision B (March 2018) to Revision C (February 2021)

  • Added "Device Information" to include REF34xxTGo
  • Added hyperlinks to "Applications"Go
  • Changed "VREF" to "VOUT" throughout documentGo
  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Added REF34xxT to "Device Comparison Table"Go
  • Added REF34xxT to "Pin Configuration and Functions"Go
  • Fixed pinout numberingGo
  • Added Configuration Information to "Electrical Characteristics”Go
  • Changed ABS MAX IN MIN to "-0.3V"Go
  • Added REF34xxT to "Layout Guidelines" and "Layout Example"Go

Changes from Revision A (December 2017) to Revision B (March 2018)

  • Added 2 new GPNS: REF3440 and REF3450 Go
  • Changed "Excellent Long-Term Stability 30 ppm/1000 hrs" to "Excellent Long-Term Stability 25 ppm/1000 hrs" in Section 1 Go
  • Changed "...typical drift value for the REF34xx is 30 ppm from 0 to 1000 hours" to "...typical drift value for the REF34xx is 25 ppm from 0 to 1000 hours" and changed Figure 8-3 in Section 8.2 Go
  • Changed "(as shown in Figure 26)" to " as shown in Figure 9-1 in last paragraph of Section 10.2.2.2 Go

Changes from Revision * (September 2017) to Revision A (December 2017)

  • Added production release of 2 new output voltage option devices, REF3430 and REF3433Go