INA138NA/3K - Texas Instruments

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.