The MAX987ESA from Maxim Integrated is a highly precise, low-power comparator designed for a wide range of applications requiring efficient power usage and accurate comparison functions. This device is available in a compact SOT23 package, making it ideal for space-constrained applications.

Key Features

• Single/Dual-Supply Operation: The MAX987ESA operates from a single +2.5V to +11V supply or a dual ±1.25V to ±5.5V supply, providing flexibility for various circuit designs.
• Low Power Consumption: With a quiescent current of just 4μA, this comparator is optimized for battery-powered and portable devices, ensuring minimal impact on power reserves.
• High Accuracy: Precision performance is delivered with a tight offset voltage of 0.5mV and a gain-bandwidth product of 4MHz, suitable for high-precision applications.
• Fast Response Time: The device features a fast propagation delay of 200ns, enabling quick response times in critical signal processing tasks.
• Internal Hysteresis: Built-in hysteresis improves noise immunity and prevents oscillation, ensuring stable operation even in noisy environments.
• Push-Pull Output: The MAX987ESA comes with a push-pull output stage that can sink and source current, eliminating the need for an external pull-up resistor and simplifying design.

Applications

The versatility of the MAX987ESA makes it suitable for a variety of applications, including:

• Battery Monitoring
• Threshold Detectors/Sensors
• Window Comparators
• Zero-Crossing Detectors
• Voltage-Level Translation
• Portable Equipment

Conclusion

The MAX987ESA from Maxim Integrated offers a compelling combination of low power consumption, high precision, and compact form factor. Its robust feature set makes it an excellent choice for designers looking to optimize their systems for power efficiency without compromising on performance. Whether deployed in industrial, consumer, or portable applications, the MAX987ESA stands out as a reliable and versatile component for any comparator circuit design.