SBOS600F July   2018  – July 2026 REF20

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Solder Heat Shift
    2. 7.2 Long-Term Stability
    3. 7.3 Thermal Hysteresis
    4. 7.4 Noise Performance
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 VREF and VBIAS Tracking
      2. 8.3.2 Low Temperature Drift
      3. 8.3.3 Load Current
    4. 8.4 Device Functional Modes
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Low-Side, Current-Sensing Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Shunt Resistor
          2. 9.2.1.2.2 Differential Amplifier
          3. 9.2.1.2.3 Voltage Reference
          4. 9.2.1.2.4 Results
        3. 9.2.1.3 Application Curves
    3. 9.3 Power-Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

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

9.1 Application Information

The solution in the section accurately detect load currents from –2.5A to 2.5A and are:

  • Low-drift
  • Bidirectional
  • Single-supply
  • Low-side
  • Current-sensing

The linear range of the output is from 250mV to 2.75V. Positive current is represented by output voltages from 1.5V to 2.75V. Negative current is represented by output voltages from 250mV to 1.5V. The difference amplifier is the INA213 current-shunt monitor, with the supply and reference voltages supplied by the low-drift REF2030.

Industrial applications with electronics in corrosive environments are susceptible to corrosive damage due to the exposure to heat, moisture, and corrosive gases. The combination of the following conditions in a given system lead to higher risk of corrosive damage:

  1. Ventilated enclosures exposing underlying PCB.
  2. PCBs not conformally coated.
  3. Exposed-lead components with plating susceptible to corrosion.
  4. Changes in plating techniques for RoHS compliance (for example, removal of Pb (lead) and certain types of plating).

To improve resistance to corrosion in harsh environments, the REF2025AISDDCR uses Matte-Sn plating with improved assembly process to reduce exposed Cu (copper), leading to improved corrosion resistance in Battelle Class III and similar harsh environments. The S in the part number identifies the special plating option. REF2025 versions that do not have the S continue to be available in industry standard NiPdAu processing technique.