INA296A datasheet(2/49 Pages) TI2

2 / 49 page

Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Device Comparison......................................................... 2

5 Pin Configuration and Functions...................................2

6 Specifications.................................................................. 4

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

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

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

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

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

6.6 Typical Characteristics................................................ 8

7 Detailed Description......................................................16

7.1 Overview................................................................... 16

7.2 Functional Block Diagram......................................... 16

7.3 Feature Description...................................................16

7.4 Device Functional Modes..........................................17

8 Application and Implementation.................................. 22

8.1 Application Information............................................. 22

8.2 Typical Application.................................................... 23

8.3 Power Supply Recommendations.............................25

8.4 Layout....................................................................... 25

9 Device and Documentation Support............................27

9.1 Documentation Support............................................ 27

9.2 Receiving Notification of Documentation Updates....27

9.3 Support Resources................................................... 27

9.4 Trademarks...............................................................27

9.5 Electrostatic Discharge Caution................................27

9.6 Glossary....................................................................27

10 Revision History.......................................................... 27

11 Mechanical, Packaging, and Orderable

Information.................................................................... 28

4 Device Comparison

Table 4-1. Device Comparison

DEVICE NAME

GAIN

INA296A1-Q1, 1INA296B1-Q1

10V/V

INA296A2-Q1, 1INA296B2-Q1

20V/V

INA296A3-Q1, 1INA296B3-Q1

50V/V

INA296A4-Q1, 1INA296B4-Q1

100V/V

INA296A5-Q1, 1INA296B5-Q1

200V/V

5 Pin Configuration and Functions

IN±

IN+

GND

REF1

REF2

OUT

Not to scale

Figure 5-1. INA296x-Q1 : DDF Package 8-Pin

SOT-23 Top View

IN±

IN+

GND

REF1

REF2

OUT

Not to scale

Figure 5-2. INA296x-Q1 : D and DGK Package 8-Pin

SOIC and 8-Pin VSSOP Top View

Table 5-1. Pin Functions: D, DDF and DGK Packages

TYPE

DESCRIPTION

NAME

NO.

GND

Ground

Ground.

IN+

Input

Current-sense amplifier positive input. For high-side applications, connect to bus-voltage

side of sense resistor. For low-side applications, connect to load side of sense resistor.

IN–

Input

Current-sense amplifier negative input. For high-side applications, connect to load side of

sense resistor. For low-side applications, connect to ground side of sense resistor.

Ground

Reserved. Connect to ground.

OUT

Output

Output voltage.

INA296A-Q1, INA296B-Q1

SBOSA32D – FEBRUARY 2023 – REVISED JUNE 2025

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Product Folder Links: INA296A-Q1 INA296B-Q1

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