The AD8417WBRZ is a robust, high-precision current sense amplifier designed by Analog Devices Inc. This integrated circuit (IC) is a bidirectional, zero-drift, current sense amplifier that offers an excellent solution for current monitoring in a wide array of applications such as automotive, power management, and industrial systems.

Key Features

• Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, making it suitable for many different types of systems and ensuring compatibility with a variety of power supplies.
• High Accuracy: Features a typical offset voltage of only 100 µV and gain error of 1%, ensuring precise current measurement across the entire operating range.
• Wide Common-Mode Range: Can measure currents in shunt resistors over a wide common-mode voltage range from –2 V to +70 V, accommodating systems with high common-mode voltages.
• Low Power Consumption: The device has a quiescent current of only 170 µA, which makes it an excellent choice for power-sensitive applications.
• EMI Filtering: Integrated EMI filters maintain performance in noisy environments, making the device suitable for automotive and industrial applications where electrical noise is a concern.
• High Bandwidth: Offers a bandwidth of 500 kHz, which allows it to be used in fast, dynamic systems that require real-time current monitoring.
• Temperature Range: Operates over the automotive temperature range of -40°C to +125°C, ensuring reliable performance in harsh temperature environments.

Package and Mounting

The AD8417WBRZ is offered in a compact, 8-lead SOIC package, which is RoHS compliant and suitable for standard PCB assembly processes. Its small footprint and surface-mount design make it ideal for space-constrained applications.

Applications

This current sense amplifier is particularly well-suited for automotive battery management systems, power supply monitoring, overcurrent protection circuits, and portable device power management. It provides a reliable, high-precision solution for designers looking to enhance system safety and efficiency through accurate current sensing.