The LM239DG is a quad, high-gain, low-power differential comparator integrated circuit (IC) component. Manufactured by various semiconductor companies, including Texas Instruments, this component is commonly used in applications such as power supply control, analog circuit interfacing, signal conditioning, and control systems.
LM239DG features a low offset voltage that allows for precise measurement and control of signals. It operates from a single power supply voltage range of 2V to 36V, making it ideal for both low and high voltage applications. With a low supply current of only 0.45mA per comparator, it is efficient in power consumption.
This IC possesses a wide input common-mode voltage range, extending from the negative supply voltage to the positive supply voltage. It provides an open-collector output that allows for easy interfacing with other circuitry, enabling it to drive various loads. The output stage of LM239DG is capable of sinking and sourcing currents up to 25mA, making it suitable for driving low-power loads directly.
One of the significant features of LM239DG is its excellent input characteristics. It has a high input impedance, thereby minimizing any load on the input signal. Additionally, this IC offers a rail-to-rail output swing, ensuring maximum utilization of the available supply voltage range. It also exhibits fast response times, making it suitable for applications that require quick and accurate decision-making
