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INA250 36-V, Bidirectional, Precision Current Sense Amplifier With Integrated Shunt Resistor
SBOS511C
April 2015 – September 2023
PRODUCTION DATA
CONTENTS
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INA250 36-V, Bidirectional, Precision Current Sense Amplifier With Integrated Shunt Resistor
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Integrated Shunt Resistor
7.3.2
Short-Circuit Duration
7.3.3
Temperature Stability
7.4
Device Functional Modes
7.4.1
Amplifier Operation
7.4.2
Input Filtering
7.4.2.1
Calculating Gain Error Resulting from External Filter Resistance
7.4.3
Shutting Down the Device
7.4.4
Using the Device with Common-Mode Transients Above 36 V
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Current Summing
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Parallel Multiple INA250 Devices for Higher Current
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
8.2.3
Current Differencing
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.3.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos511c_oa
sbos511c_pm
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INA250 36-V, Bidirectional, Precision Current Sense Amplifier With Integrated Shunt Resistor