Manufacturer Part Number
INA138NA/3K
Manufacturer
Texas Instruments
Introduction
The INA138NA/3K is a high-precision, low-side current shunt monitor integrated circuit (IC) from Texas Instruments.
Product Features and Performance
Monitors current in high-side applications with an operating voltage range of 2.7V to 36V.
Provides an accurate voltage output proportional to the monitored current.
Features a low-side sensing configuration with a typical accuracy of ±0.5%.
Offers a wide operating temperature range of -40°C to 125°C.
Available in a small SOT-23-5 package.
Product Advantages
High-precision current monitoring capability.
Wide input voltage range for versatile applications.
Compact surface-mount package for space-constrained designs.
Excellent temperature stability and reliability.
Key Technical Parameters
Voltage Input Range: 2.7V to 36V
Sensing Method: High-Side
Accuracy: ±0.5%
Operating Temperature Range: -40°C to 125°C
Package: SOT-23-5
Quality and Safety Features
RoHS3 compliant for environmental responsibility.
Suitable for industrial, automotive, and consumer applications.
Compatibility
The INA138NA/3K is compatible with a wide range of electronic systems and circuits that require precise current monitoring.
Application Areas
Industrial control systems
Power management circuits
Battery charging and monitoring
Motor control applications
Automotive electronic systems
Product Lifecycle
The INA138NA/3K is an active product and is not nearing discontinuation.
Replacement or upgrade options may be available from Texas Instruments, depending on future product roadmaps.
Key Reasons to Choose This Product
High-precision current monitoring with ±0.5% accuracy.
Wide operating voltage range of 2.7V to 36V for versatile applications.
Compact and space-efficient SOT-23-5 package.
Excellent temperature stability and reliability.
RoHS3 compliance for environmental responsibility.
Compatibility with a wide range of electronic systems and circuits.
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