The INA211BIRSWR is a precision, low-power, zero-drift, bidirectional current sense amplifier from Texas Instruments (TI). This device is part of TI's family of current shunt monitors that offer a wide range of high-accuracy, low-power solutions for various applications. The INA211BIRSWR is designed to detect and amplify small differential voltages across a shunt resistor in power management systems.

Key Features

• High Accuracy: The INA211BIRSWR boasts a high accuracy with a maximum offset voltage of 10 µV and a gain error of only 0.5%. This precision is maintained over the entire temperature range, making it suitable for critical applications.
• Zero-Drift Architecture: The zero-drift topology ensures that the offset voltage does not drift over time or with changes in temperature, providing a stable and reliable measurement.
• Low Power Consumption: With a quiescent current of only 60 µA (typical), the INA211BIRSWR is optimized for battery-powered and energy-efficient systems.
• Wide Common-Mode Range: The device operates over a common-mode voltage range from -0.3V to +26V, allowing for versatile use in systems with varying potentials.
• Small Package Size: The INA211BIRSWR is available in a tiny, space-saving UQFN package, making it ideal for compact PCB designs.

Applications

The INA211BIRSWR is suitable for a variety of applications, including:

• Power management in servers and telecom equipment
• Battery chargers and battery-powered devices
• Overcurrent protection circuits
• Portable instrumentation
• Energy metering and power monitoring systems

Technical Specifications

For detailed technical specifications, application notes, and support resources, visit the Texas Instruments official website or contact their customer support team.