LMV393IPWR

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The LMV393IPWR is a dual low-power comparator with open-drain output and wide common-mode input voltage range. The device’s features, such as its high speed, low power consumption, and wide input common mode voltage span make it well-suited for a variety of applications. It is often used for the detection of level crossing, window comparison, and digital logic applications. This article will discuss the LMV393IPWR’s application field and its working principle.

Application Field of LMV393IPWR

The LMV393IPWR has a wide range of applications in various electronic circuits. Its built-in hysterisis makes it very efficient for digital circuit applications including level detectors and voltage-controlled switches. It is often used in the applications of window comparison and pulse-width-modulation control, as well as in automotive designs, such as airbag and engine control systems. It can also be used in audio systems and other instrumentation.

Working Principle

The LMV393IPWR is a dual low power comparator with an open-drain output. It uses a reference voltage, Vref, that is adjustable in two ranges: 0-3V and 0-7V. The two inputs consist of a non-inverting input, Vin, and an inverting input, VrefV. The output of the LMV393IPWR reflects the comparison of the inputs, with logic high indicating a logic low on the input and vice-versa. The output of the LMV393IPWR is not always on and is enabled only when the input signals differ from the reference voltage by a certain amount.

The LMV393IPWR comparator has a typical propagation delay of about 85ns, making it fast enough for many applications. Additionally, the comparator has an operating temperature range of -40 to +85°C and its wide common-mode input voltage range allows it to be used in almost any environment.

In order to better understand how the LMV393IPWR comparator works, a simple circuit example is provided. This circuit consists of three LMV393IPWRs connected in series. The reference voltage Vref is provided by the potentiometer, and the inverting and non-inverting inputs of each comparator receive the same input voltage. The output of the first comparator is connected to the non-inverting input of the second comparator, the output of the second comparator is connected to the non-inverting input of the third comparator, and the output of the third comparator is connected to the LED display. When the input voltage exceeds the reference voltage, the LED turns on, indicating that the logical state was HIGH.

The LMV393IPWR comparator also features desirable qualities such as low power consumption and multiple schmitt-trigger inputs. Additionally, it features an adjustable output current, enabling flexibility in various applications. Its features, such as its low power consumption and high input common mode voltage range, make it an ideal choice for numerous applications.

Conclusion

In conclusion, the LMV393IPWR is a dual low-power comparator with open-drain output and wide common-mode input voltage range. Its features make it well-suited for a variety of applications, including audio systems, instrumentation, and automotive applications. Its working principle is such that its output reflects the comparison of the inputs, with logic high indicating a logic low on the input and vice-versa. Additionally, its low-power consumption and multiple schmitt-trigger inputs make it an ideal choice for applications that require accuracy, reliability, and low-energy consumption.

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