Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Device Comparison Table...............................................3

5 Pin Configuration and Functions...................................4

6 Specifications.................................................................. 5

6.1 Absolute Maximum Ratings........................................ 5

6.2 ESD Ratings............................................................... 5

6.3 Recommended Operating Conditions.........................5

6.4 Thermal Information....................................................5

6.5 Electrical Characteristics REF53-Q1 ......................... 6

6.6 Typical Characteristics................................................ 8

7 Parameter Measurement Information.......................... 10

7.1 Temperature Drift...................................................... 10

7.2 Long-Term Stability................................................... 10

7.3 Noise Performance................................................... 11

7.4 Thermal Hysteresis................................................... 12

7.5 Solder Heat Shift.......................................................13

7.6 Power Dissipation..................................................... 14

8 Detailed Description......................................................15

8.1 Overview................................................................... 15

8.2 Functional Block Diagram......................................... 15

8.3 Feature Description...................................................15

8.4 Device Functional Modes..........................................15

9 Application and Implementation.................................. 17

9.1 Application Information............................................. 17

9.2 Typical Applications.................................................. 17

9.3 Power Supply Recommendation...............................19

9.4 Layout ...................................................................... 19

10 Device and Documentation Support..........................21

10.1 Documentation Support.......................................... 21

10.2 Receiving Notification of Documentation Updates..21

10.3 Support Resources................................................. 21

10.4 Trademarks.............................................................21

10.5 Electrostatic Discharge Caution..............................21

10.6 Glossary..................................................................21

11 Revision History.......................................................... 21

12 Mechanical, Packaging, and Orderable

Information.................................................................... 21

12.1 Tape and Reel Information......................................22

12.2 Mechanical Data..................................................... 24

REF53-Q1

SNVSCU8 – AUGUST 2026

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