The INA138NA/3KTI is a high-precision current shunt monitor from the reputable semiconductor manufacturer Texas Instruments. This device is designed to offer a simple and efficient solution for current sensing applications in a wide range of electronic systems. With its small form factor and low power consumption, the INA138NA/3KTI is particularly well-suited for portable and battery-powered devices.

Key Features

• High Accuracy: The INA138NA/3KTI provides a precise voltage output that is directly proportional to the current passing through the shunt resistor, ensuring accurate current measurement for effective power management.
• Wide Common-Mode Range: This device operates over a wide input common-mode voltage range, from -0.3V to 26V, making it versatile for various applications, including high-side current sensing.
• Low Quiescent Current: It features a low quiescent current, which reduces power consumption and extends battery life in portable applications.
• Single Resistor Gain Set: The gain of the INA138NA/3KTI can be easily configured with a single external resistor, allowing for customization to specific system requirements.
• Small Package: The device is available in a tiny SOT-23 package, which saves valuable board space and is ideal for space-constrained applications.

Applications

The INA138NA/3KTI is suitable for a variety of applications where precise current monitoring is essential. Typical applications include:

• Battery chargers
• Power management systems
• Overcurrent protection circuits
• Portable electronic devices
• Automotive systems

Technical Specifications

With its technical prowess, the INA138NA/3KTI stands out as a reliable component for current sensing. It operates within an extended industrial temperature range of -40°C to +85°C, ensuring consistent performance across diverse environments. The device is also RoHS compliant, adhering to environmental standards.

For engineers and designers looking for a dependable current shunt monitor that combines precision, versatility, and compactness, the INA138NA/3KTI from Texas Instruments is an excellent choice. It simplifies the design process and enhances the overall efficiency of electronic systems.