MCHPMCP6541-I/P

Overview

The MCP6541-I/P is a single, ultra-low-power comparator designed for battery-powered and handheld applications. It features a push-pull, rail-to-rail output and internal hysteresis, operating on a supply voltage as low as 1.6V with a typical quiescent current of only 0.6 microamps. This component is housed in a user-friendly 8-pin PDIP package, making it ideal for prototyping and through-hole assembly.

Why Choose This Part

The primary advantage is the exceptionally low quiescent current of 1uA max, which allows for 'always-on' operation in energy-sensitive designs. It includes internal hysteresis to prevent output oscillations from noisy input signals, and its CMOS push-pull output eliminates the need for an external pull-up resistor. The wide operating voltage range of 1.6V to 5.5V supports diverse power rails from single-cell batteries to standard 5V logic.

Applications

Getting Started

For prototyping, the 8-PDIP package is compatible with standard breadboards and 0.1-inch pitch stripboards. Ensure a 0.1uF bypass capacitor is placed close to the VDD pin to stabilize the device during output transitions. Since this is a push-pull output device, avoid connecting multiple outputs together to prevent contention.

MCP6541 Family

Comparing specs that differ across variants. The current part is highlighted.

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