INA199B2RSWT - Precision Current Sense Amplifier

The INA199B2RSWT from Texas Instruments is a precision current sense amplifier that is designed to monitor current in precision applications. It is a part of Texas Instruments' industry-leading portfolio of current sense amplifiers which are renowned for their accuracy and performance.

Key Features:

• Voltage Supply: The device operates over a wide single-supply range of 2.7V to 26V, making it suitable for various applications including battery-powered and automotive systems.
• Gain: It comes with a fixed gain of 50V/V, providing a precise amplification of the voltage across a shunt resistor that is proportional to the current flowing through it.
• Common-Mode Range: It features a common-mode range that goes beyond the supply rails, from -0.3V to 26V, which is beneficial for sensing in systems with varying common-mode voltages.
• Accuracy: The INA199B2RSWT offers a high accuracy with a maximum offset voltage of 35 µV and an offset drift of 0.5 µV/°C, ensuring reliable performance over temperature variations.
• Quiescent Current: The device has a low quiescent current of 100 µA (typical), which is advantageous for power-sensitive applications.
• Package: It is available in a compact, SOT-23 package, which is ideal for space-constrained applications.

Applications:

The INA199B2RSWT is versatile and can be used in a variety of applications. It is particularly useful for:

• Power management in portable devices
• Overcurrent protection circuits
• Battery chargers
• Automotive and industrial systems
• Energy management and measurement systems

Why Choose INA199B2RSWT:

With its ability to provide high-accuracy current sensing, even at low voltages, the INA199B2RSWT is an excellent choice for designers looking to integrate current sensing into their systems without compromising on performance or power consumption. Its robust design and wide operating range make it a reliable and flexible solution for monitoring current across a broad array of applications.