SBOS392I August   2007  – April 2026

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Thermal Hysteresis
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Start-Up Time
      2. 8.3.2 Low Temperature Drift
      3. 8.3.3 Power Dissipation
      4. 8.3.4 Noise Performance
    4. 8.4 Device Functional Modes
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 REF3312 in a Bipolar Signal-Chain Configuration
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Op Amp Level-Shift Design
          2. 9.2.1.2.2 Differential Input Attenuator Design
          3. 9.2.1.2.3 Input Filtering
          4. 9.2.1.2.4 Component Selection
            1. 9.2.1.2.4.1 Voltage References
            2. 9.2.1.2.4.2 Op Amp
          5. 9.2.1.2.5 Input Attenuation and Level Shifting
          6. 9.2.1.2.6 Input Filtering
          7. 9.2.1.2.7 Passive Component Tolerances and Materials
        3. 9.2.1.3 Application Curves
          1. 9.2.1.3.1 DC Performance
          2. 9.2.1.3.2 AC Performance
    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

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6.6 Typical Characteristics

At TA = 25°C and VIN = 5V, and REF3325 used for typical characteristic measurements (unless otherwise noted).

REF33 Temperature Drift
0°C to 70°C
Figure 6-1 Temperature Drift
REF33 Output Voltage Accuracy vs Temperature
Figure 6-3 Output Voltage Accuracy vs Temperature
REF33 Quiescent Current vs Temperature
Figure 6-5 Quiescent Current vs Temperature
REF33 Power-Supply Rejection Ratio vs Frequency
Figure 6-7 Power-Supply Rejection Ratio vs Frequency
REF33 Output Voltage vs Load Current
Figure 6-9 Output Voltage vs Load Current
REF33 0.1Hz to 10Hz Noise
Figure 6-11 0.1Hz to 10Hz Noise
REF33 Line Transient
CLOAD = 10μF, IOUT = 0mA
Figure 6-13 Line Transient
REF33 Line Transient
CLOAD = 10μF, IOUT = 1mA
Figure 6-15 Line Transient
REF33 Temperature Drift
–40°C to 125°C
Figure 6-2 Temperature Drift
REF33 Dropout Voltage vs Load Current
Figure 6-4 Dropout Voltage vs Load Current
REF33 Output Impedance vs Frequency
Figure 6-6 Output Impedance vs Frequency
REF33 Output vs Supply
Figure 6-8 Output vs Supply
REF33 Step Response
CL = 1μF Startup
Figure 6-10 Step Response
REF33 Line Transient
CL = 1μF, IOUT = 0mA
Figure 6-12 Line Transient
REF33 Load Transient
CL = 1μF, ±5mA Output Pulse
Figure 6-14 Load Transient
REF33 Load Transient
CL = 1μF, ±1mA Output Pulse
Figure 6-16 Load Transient