Bob Pease was nice enough to send me a cute little write-up he did about National Semiconductor’s LM57 temperature comparator part. It also can work as a temp sensor. Here is Bob’s essay: If you need ...

This paper presents a low-power high-speed dynamic comparator with temperature compensation. In conventional dynamic comparator design, designers tend to pursue high speed and low power consumption, ...

This paper describes a high temperature voltage comparator and an operational amplifier (op-amp) in a 1.2-μm silicon carbide (SiC) CMOS process. These circuits are used as building blocks for ...

This Circuit can compare the Light level in an area. It uses a PN Photodiode as the light sensor and IC CA3140 as voltage comparator. The circuit is ideal as the front end of burglar alarm circuits.

A few simple components are all it takes to create an over-temperature alarm. The circuit in Figure 1 requires only an ordinary negative-temperature-coefficient (NTC) thermistor, two common ICs ...