9 Revision History

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

Changes from Revision G (August 2023) to Revision H (January 2025)

Page

• Added TL331E-Q1 throughout............................................................................................................................1

• Removed Legacy device graphs........................................................................................................................ 8

• Updated Functional Block Diagram ................................................................................................................. 14

• Added mention of VCM clamp..........................................................................................................................14

• Updated ESD Protection Section..................................................................................................................... 16

Changes from Revision F (January 2021) to Revision G (August 2023)

Page

• Added reference to Application Note................................................................................................................15

Changes from Revision E (November 2020) to Revision F (January 2021)

Page

• Corrected front page link text to add missing "B"............................................................................................... 1

Changes from Revision D (June 2020) to Revision E (November 2020)

Page

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

• Changed TL331B-Q1 and TL391B-Q1 minimum recommended supply voltage to 2V throughout data sheet..1

• Corrected supply voltages for all devices in Family Comparison Table..............................................................1

• Added TL331B-Q1 and TLV391B-Q1 Typical Graphs........................................................................................8

Changes from Revision C (October 2013) to Revision D (June 2020)

Page

• Added B device. Updated to current TI data sheet format. Modified front page text to highlight B version....... 1

• Added Family Comparison Table........................................................................................................................1

• Added Links to Family Table ..............................................................................................................................1

Changes from Revision B (September 2012) to Revision C (October 2013)

Page

• Changed VICR in the Electrical Characteristics...................................................................................................7

• Changed test conditions of IOL in the Electrical Characteristics......................................................................... 7

Changes from Revision A (July 2010) to Revision B (September 2012)

Page

• Changed VICR in the Electrical Characteristics...................................................................................................7

10 Mechanical, Packaging, and Orderable Information

The following pages include mechanical, packaging, and orderable information. This information is the most

current data available for the designated devices. This data is subject to change without notice and revision of

this document. For browser-based versions of this data sheet, refer to the left-hand navigation.

www.ti.com

TL331-Q1, TL331B-Q1, TL391B-Q1

SLVS969H – OCTOBER 2009 – REVISED JANUARY 2025

Copyright © 2025 Texas Instruments Incorporated

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Product Folder Links: TL331-Q1 TL331B-Q1 TL391B-Q1