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MAX9031AXK+T

MAX9031AXK+T

Analog Devices / Maxim Integrated
Analog Comparators Low-Cost, Ultra-Small, Single/Dual/Quad
7,677 in stock
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Overview

The MAX9031AXK+T is a low-cost, single-channel comparator designed for low-power applications where space is at a premium. It features a rail-to-rail output swing and a fast 188ns propagation delay while operating from a single supply between 2.5V and 5.5V. Its internal hysteresis ensures clean output switching even with slow-moving input signals.

Why Choose This Part

This comparator eliminates the need for external hysteresis components, saving board space and simplifying design. The SC70-5 package provides an ultra-small footprint for dense layouts. It also maintains high performance with a high common-mode input voltage range that includes the negative rail.

Applications

Battery-Powered Systems
Utilized in handheld devices where the low 35 microampere supply current extends battery runtime.
Threshold Detectors
Ideal for monitoring sensor levels and providing digital triggers when a specific voltage level is crossed.
Zero-Crossing Detectors
Effective for identifying the point where an AC signal crosses a reference voltage in power management circuits.
Window Comparators
Can be paired in multi-channel configurations to monitor if a signal stays within a defined voltage range.

Getting Started

To evaluate this part, design a small breakout PCB for the SC70-5 package or use a standard SOT-323 to DIP adapter. Ensure a 0.1uF ceramic bypass capacitor is placed as close as possible to the VCC pin to minimize switching noise. Connect the non-inverting input to your signal and the inverting input to your reference voltage for standard operation.