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.
Supply range and power budget
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.