MAX982ESA+

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The MAX982ESA+ comparator is a single, op-amp-based, low-power device from Maxim Integrated Products that is classified under linear-comparators. It is widely used in a range of applications such as industrial electronics and automotive systems due to its impressive features and low cost.

This device presents an ideal solution when isolation between inputs is necessary and provides superior precision performance with a wide range of adjustable gain, gain tolerance, offset voltage and current to accommodate different designs. It also offers a low input bias current, a wide input common-mode voltage range, excellent power-supply rejection ratio (PSRR) and offset voltage drift while allowing users to set either inverting or non-inverting feedback loop designs. Additionally, its rail-to-rail output architecture is capable of delivering up to 107 dB of dynamic range with a wide common-mode voltage margin.

The MAX982ESA+ works by comparing two input voltages and outputting a digital signal dependent on which voltage is greater. It contains two inverting pins and one non-inverting pin, along with an enable, reference and output pin. Two of the inverting pins, referred to as the input pin, measure the two voltages that are to be compared by the device, and an enable pin allows for the device to be disabled. Then, the reference pin provides the set point, or the limit which the device checks the input voltages against. If one voltage is greater, the output will be inverted; otherwise, it will remain in its non-inverting state.

The MAX982ESA+ is a valuable tool when precision and efficiency are needed in any type of comparator-based application. Be it a system that requires level shifting, offset adjustment, time delay, logic functioning, voltage sensing, or any other linear-comparator related task, this device can provide reliable performance where most traditional comparators can’t because of its dynamic range and power-supply rejection ratio.

In a nutshell, the MAX982ESA+ comparator is suited for a variety of industrial and automotive applications. Its exceptional dynamic range and power-supply rejection ratio enables it to accurately compare two input voltages at specified levels and in a variety of input ranges and output states. Whether used for level shifting, offset adjustment, voltage sensing, or any other linear-comparator related task, this device offers reliable and efficient performance over a wide range of applications.

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