Maxim Integrated MAX4080FAUA+ High-Side Current-Sense Amplifier

The MAX4080FAUA+ from Maxim Integrated is a sophisticated high-side current-sense amplifier designed to monitor the current flow in various applications. This precision current-sense amplifier is ideal for systems that require accurate monitoring of the current passing through a high-side shunt resistor. With its wide input common-mode voltage range, the MAX4080FAUA+ can handle a variety of operating conditions, making it versatile for numerous applications.

One of the standout features of the MAX4080FAUA+ is its ability to operate over a common-mode voltage range from 4.5V to 76V, which enables it to be used in both low and high-voltage systems. This feature ensures that the device is suitable for automotive, industrial, and communication systems where voltage levels can vary significantly.

The MAX4080FAUA+ offers a fixed gain of 20V/V, providing a high level of amplification for small sense voltages, which is crucial for detecting minute changes in current flow. This high level of sensitivity is essential for applications that demand precise control and monitoring, such as battery management systems and power management modules.

With its low 250µA (max) supply current, the MAX4080FAUA+ is an energy-efficient choice for portable and battery-powered applications. Its wide -40°C to +125°C operating temperature range ensures reliable performance in harsh environments, making it suitable for use in automotive and industrial settings where temperature fluctuations are common.

The device is offered in a compact 8-pin µMAX package, which is ideal for space-constrained applications. The MAX4080FAUA+ also features a high accuracy of 3% max over the entire temperature range, which is critical for systems that cannot tolerate large errors in current measurement.

In summary, the MAX4080FAUA+ from Maxim Integrated is a high-performance, high-side current-sense amplifier that offers a combination of wide voltage range operation, high gain, low power consumption, and high accuracy. Its robustness and versatility make it an excellent choice for a wide range of applications, from automotive to industrial and consumer electronics.