DFNA5001CT1

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Resistor networks and arrays are powerful yet useful components that can be used in a variety of applications. One of the most popular resistor networks is the DFNA5001CT1, which is a single polarity, 1.8KOhm resistor network. The network is created by connecting multiple resistors in series and in parallel to provide a symmetrical, high performance signal conditioning solution. This application field and working principle will be explored in this article.

DFNA5001CT1 application field

The DFNA5001CT1 is designed for a wide range of signal conditioning applications as it provides high performance signal conditioning solutions with low input capacitance. The network helps optimize signals by reducing parasitic DC offsets, improving linearity and ensuring good accuracy and precision. It can also be used to solve many common signal conditioning issues such as de-noising, filtering, including level-shifting and power conditioning.

The DFNA5001CT1 application field also extends to system protection applications. It is capable of providing protection from voltage transients and over-current conditions. In addition, it can be combined with other components, such as capacitors or inductors, to form a complete active filter circuit.

DFNA5001CT1 working principle

The DFNA5001CT1 working principle is based on its design structure. It consists of sixteen 1.8KOhm resistor elements that are connected in series and parallel. This configuration allows the network to provide high performance signal conditioning solutions with low input capacitance. The combination of resistors in series and parallel helps to reduce global variations in resistance across the network, while also reducing parasitic DC offsets.

The DFNA5001CT1 utilises the voltage division principle to attenuate, isolate or level-shift signals. The signals go through the elements, which alter the signal strength while still maintaining the integrity of the signal. In level-shifting applications, the elements can be used in a balanced configuration to remove DC offsets. A simple example of this would be connecting two of the elements in series, with one element connected to ground and the other connected to the input, this will effectively double the voltage supplied to the input as the resistors are sharing the same current.

The DFNA5001CT1 also acts as an over-current protection device. The array helps to provide this protection by regulating the current flow through the device. The network is designed with a current limiting value, which is the amount of current the device can tolerate before it starts to short-circuit. This helps to reduce the risk of system damage from excessive current flow.

In addition to the above, the DFNA5001CT1 can also be combined with other components, such as inductors or capacitors, to form a complete active filter circuit. This type of filter is capable of providing support for frequency selection, signal filtering and signal conditioning.

Conclusion

The DFNA5001CT1 is a popular resistor network designed for a wide range of applications. It utilises the voltage division principle to attenuate, isolate, or level-shift signals. The combination of elements in series and parallel helps to reduce global variations in resistance across the network, while also reducing parasitic DC offsets. Additionally, the network can be used to provide system protection from over-current conditions and voltage transients. It can also be combined with other components, such as inductors and capacitors, to form a complete active filter circuit.

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