SBOSAC1A
July 2023 – December 2023
INA740A
,
INA740B
PRODMIX
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements (I2C)
5.7
Timing Diagram
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Integrated Shunt Resistor
6.3.2
Safe Operating Area
6.3.3
Versatile High Voltage Measurement Capability
6.3.4
Internal Measurement and Calculation Engine
6.3.5
High-Precision Delta-Sigma ADC
6.3.5.1
Low Latency Digital Filter
6.3.5.2
Flexible Conversion Times and Averaging
6.3.6
Integrated Precision Oscillator
6.3.7
Multi-Alert Monitoring and Fault Detection
6.4
Device Functional Modes
6.4.1
Shutdown Mode
6.4.2
Power-On Reset
6.5
Programming
6.5.1
I2C Serial Interface
6.5.1.1
Writing to and Reading Through the I2C Serial Interface
6.5.1.2
High-Speed I2C Mode
6.5.1.3
SMBus Alert Response
7
Application and Implementation
7.1
Application Information
7.1.1
Device Measurement Range and Resolution
7.1.2
ADC Output Data Rate and Noise Performance
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Configure the Device
7.2.2.2
Set Desired Fault Thresholds
7.2.2.3
Calculate Returned Values
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.5
Register Maps
7.5.1
INA740x Registers
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
REM|14
MPQF698
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosac1a_oa
7.2.2
Detailed Design Procedure