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INA1x8-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor
SGLS174J
September 2003 – August 2018
INA138-Q1
,
INA168-Q1
PRODUCTION DATA.
CONTENTS
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INA1x8-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor
1
Features
2
Applications
3
Description
Device Images
Typical Application Circuit
4
Revision History
5
Pin Configuration and Functions
Pin 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
Output Voltage Range
7.3.2
Bandwidth
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Operation
8.2
Typical Applications
8.2.1
Buffering Output to Drive an ADC
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Selecting RS and RL
8.2.1.3
Application Curve
8.2.2
Output Filter
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
8.2.3
Offsetting the Output Voltage
8.2.4
Bipolar Current Measurement
8.2.4.1
Application Curve
8.2.5
Bipolar Current Measurement Using Differential Input of an ADC
8.2.6
Multiplexed Measurement Using Logic Signal for Power
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
PW|8
MPDS568
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sgls174j_oa
sgls174j_pm
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DATA SHEET
INA1x8-Q1 Automotive-Grade, High-Side, Current-Output, Current-Shunt Monitor
1
Features
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
Device HBM ESD Classification Level 2
Device CDM ESD Classification Level C6
Complete Unipolar High-Side Current-Measurement Circuit
Wide Supply and Common-Mode Ranges:
INA138-Q1: 2.7 V to 36 V
INA168-Q1: 2.7 V to 60 V
Independent Supply and Input Common-Mode Voltages
Single Resistor Gain Set
Low Quiescent Current (25 µA Typical)
Wide Temperature Range: –40°C to +125°C
Packages: TSSOP-8, SOT-23-5 (INA168-Q1)
2
Applications
Electric Power Steering (EPS) Systems
Body Control Modules
Brake Systems
Electronic Stability Control (ESC) Systems