10 Device and Documentation Support

10.1 Documentation Support

10.1.1 Related Documentation

For related documentation see the following:

• Texas Instruments, 0.05μV/°C (Maximum), Single-Supply CMOS Zero-Drift Series Operational Amplifier data

sheet

• Texas Instruments, REF5020 PSpice Model

• Texas Instruments, REF5020 TINA-TI Reference Design

• Texas Instruments, REF5020 TINA-TI Spice Model

• Texas Instruments, INA270 PSpice Model

• Texas Instruments, INA270 TINA-TI Reference Design

• Texas Instruments, INA270 TINA-TI Spice Model

10.2 Receiving Notification of Documentation Updates

To receive notification of documentation updates, navigate to the device product folder on ti.com. Click on

Notifications to register and receive a weekly digest of any product information that has changed. For change

details, review the revision history included in any revised document.

10.3 Support Resources

TI E2E™ support forums are an engineer's go-to source for fast, verified answers and design help — straight

from the experts. Search existing answers or ask your own question to get the quick design help you need.

Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do

not necessarily reflect TI's views; see TI's Terms of Use.

10.4 Trademarks

TI E2E™ is a trademark of Texas Instruments.

All trademarks are the property of their respective owners.

10.5 Glossary

TI Glossary

This glossary lists and explains terms, acronyms, and definitions.

11 Revision History

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

Changes from Revision N (March 2025) to Revision O (October 2025)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document................. 1

• Deleted paragraph describing REF50xxEI voltage range.................................................................................. 1

• Updated Table 4-1 REF50xxE information......................................................................................................... 3

• Deleted Product Preview tag from REF5030EID, REF5040EID, and REF5045EID devices............................. 3

• Added Table 4-2 ................................................................................................................................................ 3

• Updated pin information from: REF50xxA to: REF50xxAI..................................................................................4

• Updated pin information from: REF50xxE to: REF50xxEI..................................................................................4

• Updated title from: Electrical Characteristics REF50 to: Electrical Characteristics REF50xxA and REF50xxAI 7

• Changed from: Layout Guidelines to: REF50xxEI Layout Guidelines and REF50xxI, REF50xxAI Layout

Guidelines.........................................................................................................................................................30

Changes from Revision M (December 2024) to Revision N (March 2025)

Page

• Update datasheet header folder link from REF50XX to REF50 and REF50E....................................................1

www.ti.com

REF50, REF50E

SBOS410O – JUNE 2007 – REVISED OCTOBER 2025

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Product Folder Links: REF50 REF50E