SBVS032H March   2002  – February 2018 REF3012 , REF3020 , REF3025 , REF3030 , REF3033 , REF3040

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application
      2.      Dropout Voltage vs Load Current
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  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. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Supply Voltage
      2. 8.3.2 Thermal Hysteresis
      3. 8.3.3 Temperature Drift
      4. 8.3.4 Noise Performance
      5. 8.3.5 Long-Term Stability
      6. 8.3.6 Load Regulation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Negative Reference Voltage
      2. 8.4.2 Data Acquisition
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Electrical Characteristics


at TA = 25°C, VIN = 5 V, and ILOAD = 0 mA (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
REF3012 (1.25 V)(1)
VOUT Output voltage 1.2475 1.25 1.2525 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 14 μVPP
f = 10 Hz to 10 kHz 42 µVrms
Line regulation 1.8 V ≤ VIN ≤ 5.5 V 60 190 µV/V
REF3020 (2.048 V)
VOUT Output voltage 2.044 2.048 2.052 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 23 μVPP
f = 10 Hz to 10 kHz 65 µVrms
Line regulation VREF + 50 mV ≤ VIN ≤ 5.5 V 110 290 µV/V
REF3025 (2.5 V)
VOUT Output voltage 2.495 2.50 2.505 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 28 μVPP
f = 10 Hz to 10 kHz 80 µVrms
Line regulation VREF + 50 mV ≤ VIN ≤ 5.5 V 120 325 µV/V
REF3030 (3.0 V)
VOUT Output voltage 2.994 3.0 3.006 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 33 μVPP
f = 10 Hz to 10 kHz 94 µVrms
Line regulation VREF + 50 mV ≤ VIN ≤ 5.5 V 120 375 µV/V
REF3033 (3.3 V)
VOUT Output voltage 3.294 3.30 3.306 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 36 μVPP
f = 10 Hz to 10 kHz 105 µVrms
Line regulation VREF + 50 mV ≤ VIN ≤ 5.5 V 130 400 µV/V
REF3040 (4.096 V)
VOUT Output voltage 4.088 4.096 4.104 V
Initial accuracy 0.2%
Output voltage noise f = 0.1 Hz to 10 Hz 45 μVPP
f = 10 Hz to 10 kHz 128 µVrms
Line regulation VREF + 50 mV ≤ VIN ≤ 5.5 V 160 410 µV/V
REF30xx (REF3012, REF3020, REF3025, REF3030, REF30333, REF3040)
dVOUT/dT Output voltage temperature drift(2) 0°C ≤ TA ≤ 70°C 20 50 ppm/°C
–30°C ≤ TA ≤ +85°C 28 60
–40°C ≤ TA ≤ +85°C 30 65
–40°C ≤ TA ≤ +125°C 35 75
Long-term stability 0000h to 1000h 24 ppm
1000h to 2000h 15
ΔVO(ΔIL) Load regulation(3) 0 mA < ILOAD < 25 mA, VIN = VREF + 500 mV(1) 3 100 µV/mA
dT Thermal hysteresis(4) 25 100 ppm
VIN – VOUT Dropout voltage 1 50 mV
ISC Short-circuit current 45 mA
Turnon settling time To 0.1% with CL = 1 μF 120 µs
POWER SUPPLY
IQ Quiescent current 42 50 μA
–40°C ≤ TA ≤ +125°C 59
The minimum supply voltage for the REF3012 is 1.8 V.
Box method used to determine over temperature drift.
Typical value of load regulation reflects measurements using a force and sense contacts; see Load Regulation section.
Thermal hysteresis procedure explained in more detail in Thermal Hysteresis section.