2

INA139-Q1, INA169-Q1

SGLS185F – SEPTEMBER 2003 – REVISED MAY 2016

www.ti.com

Product Folder Links: INA139-Q1 INA169-Q1

Submit Documentation Feedback

Copyright © 2003–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

Specifications......................................................... 3

6.1

Absolute Maximum Ratings ...................................... 3

6.2

ESD Ratings.............................................................. 3

6.3

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

6.4

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

6.5

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

6.6

Typical Characteristics .............................................. 6

7

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

7.1

Overview ................................................................... 8

7.2

Functional Block Diagram ......................................... 8

7.3

Feature Description................................................... 9

7.4

Device Functional Modes.......................................... 9

8

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

8.1

Application Information.............................................. 9

8.2

Typical Applications ................................................ 11

9

Power Supply Recommendations ...................... 18

10

Layout................................................................... 18

10.1

Layout Guidelines ................................................. 18

10.2

Layout Example .................................................... 18

11

Device and Documentation Support ................. 19

11.1

Related Documentation ....................................... 19

11.2

Related Links ........................................................ 19

11.3

Community Resources.......................................... 19

11.4

Trademarks ........................................................... 19

11.5

Electrostatic Discharge Caution ............................ 19

11.6

Glossary ................................................................ 19

12

Mechanical, Packaging, and Orderable

Information ........................................................... 19

4 Revision History

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

Changes from Revision E (May 2011) to Revision F

Page

•

Added Device Information, ESD Ratings, Recommended Operating Conditions, and Thermal Information tables,

and Feature Description, Application and Implementation, Power Supply Recommendations, Layout, Device and

Documentation Support, and Mechanical, Packaging, and Orderable Information sections ................................................. 1

•

Added new automotive qualification features bullet, and deleted old bullet........................................................................... 1

•

Changed Applications bullets ................................................................................................................................................. 1

•

Changed text in Description section ....................................................................................................................................... 1

•

Changed all figures to show correct device names; added -Q1............................................................................................. 1

•

Added pin names to all figures and removed all pin numbers ............................................................................................... 1

•

Deleted Ordering Information table; information available in the Package Option Addendum at the end of this data sheet 3

•

Deleted lead temperature and thermal resistance from Absolute Maximum Ratings table; see new Thermal

Information table for thermal resistance values...................................................................................................................... 3

•

Changed RθJA value................................................................................................................................................................ 4

•

Changed VS to V+ throughout data sheet for consistency ..................................................................................................... 5

•

Changed ROUT in Electrical Characteristics table to RL for consistency ................................................................................. 5

•

Changed RL from 125 kΩ to 25 kΩ in condition line of Typical Characteristics section......................................................... 6

•

Changed VIN to VSENSE in Figure 4 ......................................................................................................................................... 6

•

Changed VS to RS when describing shunt resistor in Operation section................................................................................ 9

•

Changed Figure 9; deleted incorrect pin numbers, and moved embedded table to outside of figure ................................. 10

•

Changed Figure 10 ............................................................................................................................................................... 11

•

Changed Figure 14 to show correct pin names, deleted incorrect pin numbers, and added missing division line in

output offset equation ........................................................................................................................................................... 14

•

Changed Figure 15 ............................................................................................................................................................... 15