SNAS794A June   2020  – June 2020 REF4132

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      Dropout vs. Current Load Over Temperature
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 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. Table 1. Electrical Characteristics
    6. 7.5      Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Solder Heat Shift
    2. 8.2 Long-Term Stability
    3. 8.3 Thermal Hysteresis
    4. 8.4 Power Dissipation
    5. 8.5 Noise Performance
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Supply Voltage
      2. 9.3.2 Low Temperature Drift
      3. 9.3.3 Load Current
    4. 9.4 Device Functional Modes
      1. 9.4.1 EN Pin
      2. 9.4.2 Negative Reference Voltage
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application: Basic Voltage Reference Connection
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Input and Output Capacitors
        2. 10.2.2.2 VIN Slew Rate Considerations
        3. 10.2.2.3 Shutdown/Enable Feature
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

Table 1. Electrical Characteristics

At VIN = 5.5 V, VEN = VIN, CREF = 10 µF, CIN = 0.1 µF, IL = 0 mA, minimum and maximum specifications at TA = –40℃ to 125℃; typical specifications at TA = 25℃ unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25°C –0.05 0.05 %
Output voltage temperature coefficient –40°C ≤ TA ≤ 125°C REF4132 A grade 12 ppm/℃
–40°C ≤ TA ≤ 125°C REF4132 B grade 30 ppm/℃
LINE & LOAD REGULATION
ΔVREF/ΔVIN Line Regulation VREF + VDO ≤ VIN ≤ 5.5 V 2 ppm/V
VREF + VDO ≤ VIN ≤ 5.5 V 15 ppm/V
VREF = 5 V, VREF + VDO ≤ VIN ≤ 5.5 V 55 ppm/V
ΔVREF/ΔIL Load Regulation IL = 0 mA to 10mA, VIN = VREF + VDO 20 ppm/mA
IL = 0 mA to 10mA, VIN = VREF + VDO 120 ppm/mA
POWER SUPPLY
VIN Input voltage VREF + VDO 5.5 V
IQ Quiescent current Active mode 80 100 µA
Shutdown mode, VEN = 0 V 2.5 5 µA
VEN Enable pin
Voltage		 Voltage reference in active mode (EN=1) 1.6 V
Voltage reference in shutdown mode (EN=0) 0.5 V
IEN Enable pin
current		 VEN = 5.5 V 1 2 µA
VDO Dropout voltage IL = 0 mA 50 mV
IL = 0 mA 100 mV
IL = 10 mA 500 mV
ISC Short circuit current (1) VREF = 0 V 18 11.5 mA
TURNON
tON Turn-on time 0.1% settling, CL = 1 µF, 10% to 90% 2.5 ms
NOISE
en(p-p) Low frequency
noise		 ƒ = 0.1 Hz to 10 Hz 15 ppmp-p
en Wide band
noise		 ƒ = 10 Hz to 10 kHz 24 µVrms
HYSTERESIS AND LONG-TERM STABILITY
Long-term stability 0 to 1000h at 35℃ 30 ppm
VHYST Output voltage hysteresis TA= 25℃ to −40℃ to 125℃ to 25℃ 35 ppm
CAPACITIVE LOAD
CL Stable output capacitor range 0.1 10 µF
(1) At higher ambient temperature the short circuit current capacity is limited due to junction temeprature max limit
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