What the 1 µA quiescent current means for your battery-powered design
The MCP6541-I/SN draws a maximum quiescent current of 1 µA — low enough that the comparator itself adds negligible drain in a sensor node that sleeps most of the time and wakes only when a threshold is crossed. The push-pull output eliminates the external pull-up resistor, saving another 10–100 µA that an open-drain comparator would burn.
Supply range and input characteristics
Input offset voltage is 7 mV maximum at 5.5 V. Propagation delay is 8 µs maximum — fast enough for overvoltage/undervoltage detection on a power rail, but not for high-speed PWM or zero-crossing circuits. The 30 mA typical output current drives logic inputs or a small MOSFET gate directly.
It is ROHS3 compliant.