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REF3425, REF3430, REF3433

SBAS804A – SEPTEMBER 2017 – REVISED DECEMBER 2017

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Product Folder Links: REF3425 REF3430 REF3433

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Copyright © 2017, Texas Instruments Incorporated

Table of Contents

1

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

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Device Comparison Table..................................... 2

6

Pin Configuration and Functions ......................... 3

7

Specifications......................................................... 4

7.1

Absolute Maximum Ratings ...................................... 4

7.2

ESD Ratings.............................................................. 4

7.3

Recommended Operating Conditions ....................... 4

7.4

Thermal Information .................................................. 4

7.5

Electrical Characteristics........................................... 5

7.6

Typical Characteristics .............................................. 7

8

Parameter Measurement Information ................ 11

8.1

Solder Heat Shift ..................................................... 11

8.2

Long-Term Stability ................................................. 12

8.3

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

8.4

Power Dissipation ................................................... 13

8.5

Noise Performance ................................................. 14

9

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

9.1

Overview ................................................................. 15

9.2

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

9.3

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

9.4

Device Functional Modes........................................ 16

10

Applications and Implementation...................... 17

10.1

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

10.2

Typical Application: Basic Voltage Reference

Connection ............................................................... 17

11

Power-Supply Recommendations ..................... 19

12

Layout................................................................... 20

12.1

Layout Guidelines ................................................. 20

12.2

Layout Example .................................................... 20

13

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

13.1

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

13.2

Receiving Notification of Documentation Updates 21

13.3

Community Resources.......................................... 21

13.4

Trademarks ........................................................... 21

13.5

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

13.6

Glossary ................................................................ 21

14

Mechanical, Packaging, and Orderable

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

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Original (September 2017) to Revision A

Page

•

Added production release of 2 new output voltage option devices, REF3430 and REF3433 ............................................... 1

5 Device Comparison Table

PRODUCT

REF3425

2.5 V

REF3430

3 V

REF3433

3.3 V