10 Revision History

Changes from Revision G (May 2020) to Revision H (November 2023)

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

• Added INA181 6-pin SC70 package to the data sheet ......................................................................................4

Changes from Revision F (March 2019) to Revision G (May 2020)

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• Added INA2181 10-pin WSON package to the data sheet.................................................................................1

Changes from Revision E (July 2018) to Revision F (March 2019)

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• Added new paragraph regarding phase reversal to end of Input Differential Overload section....................... 21

• Changed Figure 57 to fix pin number typos......................................................................................................33

• Changed Figure 58 to fix pin number typos .................................................................................................... 33

Changes from Revision D (March 2018) to Revision E (July 2018)

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• Changed instances of INAx180 to INAx181 (typos)........................................................................................... 1

Changes from Revision C (December 2017) to Revision D (March 2018)

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• Changed INA4181 device from preview to production data (active) ................................................................. 1

• Added new Figure 25 for INA4181..................................................................................................................... 9

• Added new Figure 28 for INA4181..................................................................................................................... 9

• Added "other" to first sentence after Figure 49 to clarify channel connection in Summing Multiple Currents

section.............................................................................................................................................................. 27

Changes from Revision B (November 2017) to Revision C (December 2017)

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• Changed INA2181 device from preview to production data (active).................................................................. 1

• Added "Both Inputs" to Figure 21 title.................................................................................................................9

• Added new Figure 24 for INA2181..................................................................................................................... 9

• Added new Figure 25 placeholder for INA4181..................................................................................................9

• Added new Figure 27 for INA2181..................................................................................................................... 9

• Added new Figure 28 placeholder for INA4181..................................................................................................9

• Changed Figure 29 and added "(A3 Devices)" to end of title.............................................................................9

• Added new Figure 38 for INA2181..................................................................................................................... 9

• Changed "less than 150 μV" to "within ±150 μV" regarding offset voltage in Precise Low-Side Current

Sensing section................................................................................................................................................ 19

• Added text regarding RC filter and reference to application report to note at the bottom of Figure 45 ........... 23

• Deleted VS from Equation 3 .............................................................................................................................24

• Added equation and curve for f-3dB to Figure 48.............................................................................................. 25

• Added new content to Summing Multiple Currents section and moved to Application Information section..... 27

• Added new content to Detecting Leakage Currents section and moved to Application Information section....28

• Added new bullet to Layout Guidelines section ...............................................................................................33

Changes from Revision A (August 2017) to Revision B (November 2017)

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• Added INA4181 preview device and associated content to data sheet..............................................................1

• Changed design parameter name in Table 3 from "Accuracy" to "Current sensing error" for clarity ...............30

• Changed "RMS" to "RSS" in reference to equation 7 ......................................................................................30

Changes from Revision * (April 2017) to Revision A (August 2017)

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• Added INA2181 preview device and associated content to data sheet..............................................................1

INA181, INA2181, INA4181

SBOS793H – APRIL 2017 – REVISED NOVEMBER 2023

www.ti.com

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