ADIMAX44284FAWT+T

Overview

The MAX44284FAWT+T is a high-precision, ultra-low-power current-sense amplifier designed for monitoring current in power-constrained systems. It features an extremely low input offset voltage of 2 uV and a low supply current of 21 uA, making it ideal for precision measurements at low power levels. The device operates with a common-mode input voltage range from -0.1V to 36V, independent of the supply voltage.

Why Choose This Part

This amplifier offers an exceptional gain accuracy of 0.05 percent and a very low 2 nA input bias current. The 6-WLP package provides a tiny 0.85mm x 1.25mm footprint, while the 3 kHz bandwidth is optimized for low-noise DC and low-frequency current monitoring. It includes a shutdown mode that reduces current consumption to approximately 0.3 uA for further power savings.

Applications

Getting Started

To evaluate this part, use the MAX44284EVKIT evaluation board which allows for easy testing of different gain variants and common-mode ranges. Ensure the input shunt resistor is placed close to the amplifier pins to minimize trace resistance errors in high-precision layouts. For software integration, the analog output can be directly interfaced with a high-resolution ADC or microcontroller analog input pin.

MAX44284 Family

Comparing specs that differ across variants. The current part is highlighted.

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