LM4040AEX3-2.5+T Integrated Circuits (ICs)

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The LM4040AEX3-2.5+T is an adjustable voltage reference from Texas Instruments. This device falls under the category of PMIC – voltage reference, and is used in a multitude of applications for performing precision voltage regulation tasks quickly and efficiently.

Features

The LM4040AEX3-2.5+T has several important features that make it a great choice for precision voltage regulation applications. One of its most important features is its temperature coefficient of 250ppm/°C, which provides the necessary stability to ensure a steady voltage output over a wide range of temperatures. Additionally, it has an adjustable output voltage range of 1.25V to 2.75V, ensuring that the desired output voltage is within reach.

The LM4040AEX3-2.5+T also offers excellent accuracy with a 1% initial accuracy for the most demanding applications. Further, it has a wide operating range between 1.7V to 5.0V and an output voltage one-time set option, and has a typical output current capability of 30mA.

Applications

The LM4040AEX3-2.5+T is most commonly used in automotive computing, instrumentation, and industrial automation applications requiring precision voltage regulation. Its design makes it well suited for such applications due to its wide temperature operating range, low power consumption, and excellent output accuracy.

Aside from these applications, the LM4040AEX3-2.5+T can also be used in applications such as digital tie circuits, process control, robotic systems, medical monitors and digital imaging systems. It can also be used as a precision reference for high speed A/D and D/A converters that require low noise operation.

Working Principle

The LM4040AEX3-2.5+T has a two–terminal Zener–type voltage reference. It works on a voltage divider circuit, where the output is chosen from a 10 turn trimming potentiometer. The output voltage of the device is controlled by both the bias current and the setting of the potentiometer. The output voltage is then increased until it reaches the desired level.

The main advantage of the LM4040AEX3-2.5+T is its high output accuracy and its good temperature stability. The device is able to maintain accuracy even at high temperatures, making it ideal for high temperature/high accuracy applications. It has two sets of connections that make it easier to use in different applications.

The LM4040AEX3-2.5+T is a great choice for any application requiring precision voltage regulation. Its accurate output and small packaging make it especially useful for automotive computing, instrumentation, and industrial automation applications. Its wide temperature operating range and low current consumption also make it well suited for energy efficient applications. Overall, the LM4040AEX3-2.5+T provides easy application, accuracy, and reliability for a variety of precision voltage regulation applications.

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