LM319H/NOPB

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Linear comparators are used in a variety of applications, including control systems, over/under voltage detectors, and analog-to-digital converters. The LM319H/NOPB is a popular choice for many of these applications, due to its versatile features and ease of use. The LM319H/NOPB is a precision low-power dual-supply comparator with a differential input range of 0V to 8V and a single-ended input from ground to 8V. It has both open-collector output and TTL-compatible active-high open-emitter output mode.

The LM319H/NOPB\'s built-in hysteresis helps to minimize system noise, allowing reliable operation in noisy environment. With the power on, the LM319H/NOPB will retain the last state of the comparator output, eliminating the need for an external circuit to hold the output state. Additionally, the comparator has a very low current consumption in its disabled state, making it a good choice for battery-powered systems.

The LM319H/NOPB has two features that enable it to be suitable for high accuracy comparator applications. Firstly, the output has a true open-collector and a TTL output. The open-collector output allows the LM319H/NOPB to be used with other transistor-based circuits that require lower output voltages, while the TTL-compatible output provides a small output current and a higher amplitude level, making it suitable for logic driven control systems. Secondly, the LM319H/NOPB has rail-to-rail inputs, allowing it to compare signals that fall within the full range of an AC supply voltage.

The LM319H/NOPB also has several other useful features. It has an operating temperature range of - 40 C to +85 C, making it suitable for use in a variety of environmental conditions. The comparator can also be configured as a non-inverting or inverted amplifier, allowing it to be used to amplify signals in addition to comparing them. It also has an adjustable window comparator circuit that allows a differential voltage level to be set between the two inputs, eliminating unwanted signals that could otherwise cause an erroneous output.

The working principle of the LM319H/NOPB comparator is very similar to that of other linear comparators. It consists of two differential inputs, one of which is the "increment" input and one of which is the "decrement" input. The differential inputs are fed into a differential amplifier, which adds the signals together and compares them to a reference level. If the total input is greater than the reference level, the output of the amplifier will become high. If it is less than the reference level, the output of the amplifier will become low.

The LM319H/NOPB can be used in a variety of applications, such as control systems, over/under voltage detectors, and analog-to-digital converters. Its rail-to-rail inputs, accurate output, and low-power consumption make it an ideal choice for many applications. The LM319H/NOPB is a reliable and versatile linear comparator that can be used in a wide variety of applications.

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