SBOSA30C
March 2022 – October 2023
INA241A
,
INA241B
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Amplifier Input Common-Mode Signal
8.3.1.1
Enhanced PWM Rejection Operation
8.3.1.2
Input-Signal Bandwidth
8.3.1.3
Low Input Bias Current
8.3.1.4
Low VSENSE Operation
8.3.1.5
Wide Fixed Gain Output
8.3.1.6
Wide Supply Range
8.4
Device Functional Modes
8.4.1
Adjusting the Output With the Reference Pins
8.4.2
Reference Pin Connections for Unidirectional Current Measurements
8.4.2.1
Ground Referenced Output
8.4.2.2
VS Referenced Output
8.4.3
Reference Pin Connections for Bidirectional Current Measurements
8.4.3.1
Output Set to External Reference Voltage
8.4.3.2
Output Set to Mid-Supply Voltage
8.4.3.3
Output Set to Mid-External Reference
8.4.3.4
Output Set Using Resistor Divider
8.4.4
High Signal Throughput
9
Application and Implementation
9.1
Application Information
9.1.1
RSENSE and Device Gain Selection
9.2
Typical Application
9.2.1
Inline Motor Current-Sense Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.3
Power Supply Recommendations
9.3.1
Power Supply Decoupling
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Examples
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DGK|8
MPDS028E
DDF|8
MPDS569D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosa30c_oa
sbosa30c_pm
Data Sheet
INA241x
–5 V to 110 V, Bidirectional, Ultra-Precise Current Sense Amplifier
With Enhanced PWM Rejection