Maxim Integrated's MAX921ESA+ - Low-Power, High-Speed Single Comparator

The MAX921ESA+ is a high-performance, low-power comparator from Maxim Integrated, designed to offer both speed and energy efficiency for a variety of applications. This device is ideal for portable and battery-powered electronics due to its minimal power consumption and compact size.

Encased in a small 8-pin SOIC package, the MAX921ESA+ features a single comparator that boasts a fast propagation delay of just 240ns. Despite its high-speed operation, this comparator maintains an impressively low power consumption of just 4µA, making it one of the most power-efficient options in its class.

The MAX921ESA+ operates from a single +2.5V to +11V supply, or from dual supplies of ±1.25V to ±5.5V, providing designers with flexibility in various circuit configurations. Additionally, the device includes a 2.5mV built-in hysteresis that enhances noise immunity and ensures stable operation even in the presence of noisy signals.

Key features of the MAX921ESA+ include:

• Single-supply operation from +2.5V to +11V or dual supplies of ±1.25V to ±5.5V
• Ultra-low power consumption: 4µA supply current
• Fast propagation delay: 240ns
• Built-in 2.5mV hysteresis for noise immunity
• Internal voltage reference
• Output stage with push-pull TTL/CMOS compatibility
• Over-temperature and over-voltage protection
• 8-pin SOIC package for space-saving applications

The MAX921ESA+ is versatile for use in numerous applications, including threshold detectors, window comparators, line receivers, and oscillator circuits. Its robust design ensures reliable performance in industrial, telecommunications, consumer electronics, and control systems.

With its combination of high speed, low power consumption, and small footprint, the Maxim Integrated MAX921ESA+ comparator is an excellent choice for engineers and designers looking to optimize their electronic designs for efficiency and performance.

Whether you're developing power-sensitive portable devices or sophisticated monitoring systems, the MAX921ESA+ provides a reliable, high-quality solution that you can count on to perform consistently under a wide range of conditions.