STMicroelectronics LM239ADT Quadruple Differential Comparators

The LM239ADT is a high-quality product from STMicroelectronics, a leading semiconductor manufacturer known for its robust and reliable electronic components. This integrated circuit is part of the LM239 series and is designed to provide precise voltage comparisons across four independent channels. The LM239ADT is housed in a compact SO-14 package, making it suitable for space-constrained applications.

Each comparator in the LM239ADT operates with a wide single or dual supply voltage range, from 2V to 36V when using a single supply, or ±1V to ±18V in dual supply mode. This flexibility allows the device to be used in a variety of systems without the need for level shifting or external components to accommodate different operating voltages.

The LM239ADT boasts a typical input offset voltage of 2 mV and an input offset current of 5 nA, which ensures accurate and stable operation even in the presence of input signal variations. The device also features a low supply current draw, making it an excellent choice for power-sensitive designs.

With its fast response time, the LM239ADT is capable of driving TTL and MOS inputs directly, and its outputs can be connected to other open-collector outputs to achieve wired-AND relationships. This makes the LM239ADT highly versatile and suitable for a wide range of applications, including limit comparators, simple analog to digital converters, pulse, square wave and time delay generators, voltage monitoring, and level shifting operations.

The LM239ADT is characterized for operation from -55°C to 125°C, allowing it to perform reliably in extreme temperature environments. This temperature range, combined with its robust design, makes it an ideal choice for automotive, industrial, and military applications where consistent performance is critical.

In summary, the LM239ADT from STMicroelectronics is a dependable and versatile comparator that offers multiple channels, a wide voltage range, and low power consumption. Its suitability for a broad array of applications and challenging environments makes it a valuable component for designers looking to create efficient and precise electronic systems.