Dual comparator for low-power threshold sensing
The MAX966EUA+ is a dual general-purpose comparator from Analog Devices, designed for applications where two independent voltage comparisons are needed in a single 8-pin MSOP package. Each channel draws a maximum quiescent current of 10 µA, so the total current budget for both comparators stays under 20 µA — a meaningful advantage when every microamp counts in a portable or IoT sensor node. The open-drain, rail-to-rail output stage lets the comparator drive loads referenced to any supply voltage up to the absolute maximum, and the rail-to-rail input common-mode range covers the full supply span.
The 1.6V to 5.5V supply range covers the two most common digital rails (3.3V and 5V) and extends down to 1.6V for Li-ion battery operation near end-of-discharge. The 10 µA max quiescent per comparator means the pair adds less than 20 µA to the system current draw — a spec that directly extends battery life in always-on sensing applications.
Active production and package availability
The 8-uMAX/uSOP (MSOP-8) footprint is a common industry standard, so PCB layout reuse across projects is straightforward. No end-of-life notification or successor has been issued for this order code.