SLOS954A
July 2018 – December 2018
INA253
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Typical Application
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
Integrated Shunt Resistor
8.3.2
Short-Circuit Duration
8.3.3
Temperature Stability
8.3.4
Enhanced PWM Rejection Operation
8.3.5
Input Signal Bandwidth
8.4
Device Functional Modes
8.4.1
Adjusting the Output Midpoint With the Reference Pins
8.4.2
Reference Pin Connections for Unidirectional Current Measurements
8.4.3
Ground Referenced Output
8.4.4
Reference Pin Connections for Bidirectional Current Measurements
8.4.4.1
Output Set to External Reference Voltage
8.4.5
Output Set to Mid-Supply Voltage
8.4.6
Output Set to Mid-External Reference
8.4.7
Output Set Using Resistor Divide
9
Application and Implementation
9.1
Application Information
9.1.1
Input Filtering
9.2
Typical Applications
9.2.1
High-Side, High-Drive, Solenoid Current-Sense Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Speaker Enhancements and Diagnostics Using Current Sense Amplifier
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
9.2.3
Current Sensing for Remote I/Os in PLC
9.2.3.1
Design Requirements
9.2.3.2
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|20
MPDS362A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slos954a_oa
slos954a_pm
1
Features
Precision Integrated Shunt Resistor
Shunt Resistor: 2 mΩ
Shunt Inductance: 3 nH
Shunt Resistor Tolerance: 0.1% (Max)
±15 A Continuous from –40°C to +85°C
0°C to 125°C Temperature Coefficient:
10 ppm/°C
High Bandwidth: 350 kHz
Enhanced PWM rejection
Excellent CMRR
> 120-dB DC CMRR
90-dB AC CMRR at 50 kHz
Accuracy:
Gain:
Gain Error: 0.4% (Max)
Gain Drift: 45 ppm/°C (Max)
Offset:
Offset Current: ±15 mA (Max)
Offset Drift: 125 µA/°C (Max)
Wide Common-Mode Range: –4 V to +80 V
Available Gains: 100 mV/A, 200 mV/A,
and 400 mV/A
Quiescent Current: 2.4 mA (Max)