SNVSCN7A November   2023  – December 2023 REF54

PRODUCTION DATA  

  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  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics REF54250
    6. 6.6  Electrical Characteristics REF54300
    7. 6.7  Electrical Characteristics REF54410
    8. 6.8  Electrical Characteristics REF54450
    9. 6.9  Electrical Characteristics REF54500
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Temperature Drift
    2. 7.2 Long-Term Stability
    3. 7.3 Noise Performance
      1. 7.3.1 1/f Noise
      2. 7.3.2 Broadband Noise
    4. 7.4 Thermal Hysteresis
    5. 7.5 Solder Heat Shift
    6. 7.6 Power Dissipation
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 EN Pin
      2. 8.3.2 NR Pin
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Basic Voltage Reference Connection
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Reference Attach With High Precision ADC
    3. 9.3 Power Supply Recommendation
    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

Package Options

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

6.5 Electrical Characteristics REF54250

Typical specifications at TA = 25°C, min-max specifications verified across temperature range, IL = 0 mA, CIN = 0.1 µF, COUT = 10 µF, CNR = Open, VIN = VOUT + VDO, unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25°C –0.02 0.02 %
Output voltage temperature coefficient Q grade; –40°C ≤ TA ≤ 125°C (1) 1.5 ppm/℃
C grade; 0°C ≤ TA ≤ 70°C 0.8
LINE AND LOAD REGULATION
ΔVO / ΔVIN Line regulation VOUT + VDO ≤ VIN ≤ 18 V, 0°C ≤ TA ≤ 70°C 1 3 ppm/V
VOUT + VDO ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C (1) 1 3
ΔVO / ΔIL Load regulation IL = 0 mA to 10mA, VIN = VOUT + VDO, 0°C ≤ TA ≤ 70°C 5 20 ppm/mA
IL = 0 mA to 10mA, VIN = VOUT + VDO, –40°C ≤ TA ≤ 125°C (1) 5 30
IL = 0 mA to –10mA, VIN = VOUT + VDO, 0°C ≤ TA ≤ 70°C 5 15
IL = 0 mA to –10mA, VIN = VOUT + VDO, –40°C ≤ TA ≤ 125°C (1) 5 25
NOISE
enp-p Low frequency noise ƒ = 0.1 Hz to 10 Hz 0.45 ppmp-p
ƒ = 0.1 Hz to 10 Hz, CNR = 10µF 0.24
ƒ = 0.1 Hz to 10 Hz, CNR = 100µF 0.11
en Output voltage noise ƒ = 10 Hz to 1 kHz  0.7 ppmrms
en Output voltage noise ƒ = 10 Hz to 1 kHz , CNR = 1µF 0.16 ppmrms
RNR NR pin internal resistance  14 KΩ
HYSTERESIS AND LONG-TERM STABILITY
ΔVOUT_LTD Long-term stability 250h TA = 35°C 14 ppm
1000h TA = 35°C 25
ΔVOUT_HYS Output voltage hysteresis 25°C, 0°C, 70°C, 25°C (cycle 1) 15 ppm
25°C, 0°C, 70°C, 25°C (cycle 2) 0.8
TURN ON TIME
tON Turn-on time 0.1% settling, COUT = 1µF 0.4 ms
CAPACITIVE LOAD
CIN Stable input capacitor range –40℃ ≤ TA ≤ 125℃ 0.1 µF
COUT Stable output capacitor range (2)  –40℃ ≤ TA ≤ 125℃ 1 100 µF
POWER SUPPLY
VIN Input voltage VOUT + VDO 18 V
IQ Quiescent current TA = 25°C Active mode 260 µA
IQ Quiescent current –40°C ≤ TA ≤ 125°C 380 µA
TA = 25°C Shutdown mode 0.5 1 uA
–40°C ≤ TA ≤ 125°C 2 uA
VEN Enable pin voltage Active mode (EN=1) 1.6 V
Shutdown mode (EN=0) 0.5 V
IEN Enable pin current VIN = VEN = 18 V 0.5 uA
VIN = VEN = 18 V, –40°C ≤ TA ≤ 125°C 1.5 uA
VDO Dropout voltage IL = 5mA, –40°C ≤ TA ≤ 125°C 250 mV
IL = 10mA, –40°C ≤ TA ≤ 125°C 400 mV
ISC Short circuit current VOUT = 0V 21 mA
(1) Specification subject to change with Q grade production release.
(2) ESR for the capacitor can range from 10 mΩ to 1 Ω.