SBVS058D June   2005  – April 2026 REF3212 , REF3220 , REF3225 , REF3230 , REF3233 , REF3240

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Electrical Characteristics
    4. 5.4 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
      1. 6.1.1 Supply Voltage
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Thermal Hysteresis
      2. 6.3.2 Temperature Drift
      3. 6.3.3 Noise Performance
      4. 6.3.4 Load Regulation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Long-Term Stability
    2. 7.2 Typical Application
      1. 7.2.1 Detailed Design Procedure
        1. 7.2.1.1 Negative Reference Voltage
        2. 7.2.1.2 Data Acquisition
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

At TA = +25°C, ILoad = 0mA, VIN = +5V power supply, and REF3225 used for typical characteristics, unless otherwise noted.

REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Temperature Drift (0°C to +125°C)Figure 5-1 Temperature Drift (0°C to +125°C)
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Output Voltage Accuracy vs TemperatureFigure 5-3 Output Voltage Accuracy vs Temperature
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Quiescent Current vs TemperatureFigure 5-5 Quiescent Current vs Temperature
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Output Voltage vs Input Voltage
                        (REF3212)Figure 5-7 Output Voltage vs Input Voltage (REF3212)
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 0.1Hz to 10Hz NoiseFigure 5-9 0.1Hz to 10Hz Noise
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Step Response CL = 0pF, 5V
                        StartupFigure 5-11 Step Response CL = 0pF, 5V Startup
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Line Transient CL = 0pFFigure 5-13 Line Transient CL = 0pF
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Load Transient CL = 0pF, ±10mA
                        Output PulseFigure 5-15 Load Transient CL = 0pF, ±10mA Output Pulse
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Load Transient CL = 0pF, ±1mA
                        Output PulseFigure 5-17 Load Transient CL = 0pF, ±1mA Output Pulse
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Long-Term Stability (32 Units)Figure 5-19 Long-Term Stability (32 Units)
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Temperature Drift (–40°C to +125°C)Figure 5-2 Temperature Drift (–40°C to +125°C)
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Dropout Voltage vs Load CurrentFigure 5-4 Dropout Voltage vs Load Current
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Power-supply Rejection Ratio vs
                        FrequencyFigure 5-6 Power-supply Rejection Ratio vs Frequency
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Output Voltage vs Load CurrentFigure 5-8 Output Voltage vs Load Current
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Output Voltage Initial AccuracyFigure 5-10 Output Voltage Initial Accuracy
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Step Response CL = 1µFFigure 5-12 Step Response CL = 1µF
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Line Transient CL = 10µFFigure 5-14 Line Transient CL = 10µF
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Load Transient CL = 1µF, ±10mA
                        Output PulseFigure 5-16 Load Transient CL = 1µF, ±10mA Output Pulse
REF3212 REF3220 REF3225 REF3230 REF3233 REF3240 Load Transient CL = 1µF, ±1mA
                        Output PulseFigure 5-18 Load Transient CL = 1µF, ±1mA Output Pulse