MCP6541UT-E/OT: Ultra-Tiny, Push-Pull Output Comparator from Microchip
In the world of modern electronics, where board space is at a premium and power efficiency is paramount, the MCP6541UT-E/OT from Microchip Technology stands out as a critical component for design engineers. This device is a single, ultra-tiny comparator packaged in the minuscule SOT-23-5 package, making it an ideal solution for space-constrained applications such as portable devices, wearables, and IoT sensors.
A key feature of this comparator is its push-pull output stage. Unlike comparators with an open-drain output that require an external pull-up resistor, the push-pull output can directly drive a load to both supply rails. This simplifies circuit design, reduces component count, and saves valuable PCB space. The output is capable of swinging rail-to-rail, ensuring a strong and clear signal from a 1.6V to 5.5V supply, which is perfect for interfacing with modern low-voltage microcontrollers and logic circuits.

Despite its small size, the MCP6541UT-E/OT does not compromise on performance. It features low quiescent current, typically drawing just 600 nA, which is crucial for battery-powered applications that demand long operational life. Furthermore, it includes built-in hysteresis, which prevents output oscillation when the input signal is near the threshold voltage, enhancing noise immunity and ensuring stable operation in electrically noisy environments.
The device's robust design supports a wide input common-mode voltage range, extending from VSS - 0.3V to VDD + 0.3V, allowing it to handle signals beyond the supply rails. This combination of tiny form factor, low power consumption, and integrated features makes the MCP6541UT-E/OT an exceptionally versatile and reliable choice for threshold detection, zero-crossing detection, and signal conditioning.
ICGOODFIND: The MCP6541UT-E/OT is a powerhouse in a pint-sized package, offering a perfect blend of minimal power consumption, a space-saving footprint, and a simple, robust push-pull output, making it an superior choice for portable and compact electronic designs.
Keywords: Ultra-Tiny Comparator, Push-Pull Output, Low Power Consumption, SOT-23-5 Package, Rail-to-Rail Output
