The INA271AIDR is a versatile, high-precision current shunt monitor from Texas Instruments, designed to provide a simple and efficient solution for applications requiring accurate current measurement. This device is part of the INA271 family and comes in a small SOIC-8 package, making it ideal for space-constrained applications.

Key Features

• Wide Common-Mode Range: The INA271AIDR is capable of measuring differential voltage signals on common-mode voltages ranging from -16V to +80V, which is particularly useful for battery-powered and automotive applications.
• High Accuracy: With a low offset voltage of just 250 µV and a gain error of only 0.5%, the INA271AIDR ensures precise current measurement across its operating range.
• Quiescent Current: The device has a low quiescent current, making it suitable for power-sensitive applications.
• Wide Bandwidth: It offers a bandwidth of up to 450 kHz, which allows for fast signal response times, suitable for dynamic load conditions.
• Single Supply Operation: The INA271AIDR operates from a single 2.7V to 18V power supply, accommodating a variety of system voltages.

Applications

The INA271AIDR is ideal for a wide range of applications, including but not limited to:

• Power management in portable devices
• Battery chargers and monitoring
• Overcurrent protection
• Automotive systems
• Telecommunications equipment

Reliability and Quality

As with all Texas Instruments products, the INA271AIDR is manufactured to high standards of quality and reliability. It is designed to meet the rigorous demands of industrial and automotive environments, ensuring consistent performance over a wide temperature range of -40°C to +125°C.

Support and Resources

For designers and engineers, Texas Instruments provides extensive support resources, including datasheets, reference designs, and application notes. The INA271AIDR is also supported by simulation tools and development kits to streamline the design process and reduce time to market.