SNAS856 September   2024 REF80

ADVANCE INFORMATION  

  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 Thermal Information
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Heater
      2. 7.3.2 Buried Zener Reference
  9. 8 Parameter Measurement Information
    1. 8.1 Long-Term Stability
    2. 8.2 Temperature Drift
    3. 8.3 Noise Performance
      1. 8.3.1 1/f Noise
      2. 8.3.2 Broadband Noise
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Typical Application: Basic Voltage Reference Connection
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Application Curve
      2. 9.2.2 Typical Application Circuits
        1. 9.2.2.1 Precision Voltage Divider Connection
        2. 9.2.2.2 Calibration Signal
    3. 9.3 Power Supply Recommendation
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
  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

6.6 Typical Characteristics

at TA = 25°C, VIN = 10V, VHEATER = 30V, CREFZ = 10μF, CVDD = 1μF, (unless otherwise noted)

REF80 Output Voltage Vs Free-Air Temperature Figure 6-1 Output Voltage Vs Free-Air Temperature
REF80 Accuracy Distribution Figure 6-3 Accuracy Distribution
REF80 Heater Current (IHeater) vs TemperatureFigure 6-5 Heater Current (IHeater) vs Temperature
REF80 Noise Density vs FrequencyFigure 6-7 Noise Density vs Frequency
REF80 Long-Term Stability Figure 6-9 Long-Term Stability
REF80 Temperature Drift DistributionFigure 6-2 Temperature Drift Distribution
REF80 Supply Current (IVDD) vs TemperatureFigure 6-4 Supply Current (IVDD) vs Temperature
REF80 0.1Hz to 10Hz Voltage Noise Distribution Figure 6-6 0.1Hz to 10Hz Voltage Noise Distribution
REF80 Startup BehaviorFigure 6-8 Startup Behavior
REF80 Power-Supply Rejection Ratio vs Frequency Figure 6-10 Power-Supply Rejection Ratio vs Frequency