ISL84781IV-T

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ISL84781IV-T is an advanced analog switch targeted at applications that need high performance and low power dissipation. Its unique features include very low on-resistance, fast switching time, low switching threshold voltage, low leakage, and no obligation shutdown. This makes ISL84781IV-T ideal for systems where space is at a premium, and the application field covers a wide range of areas such as high speed data processors, medical imaging, and high end audio.

A major attribute of the ISL84781IV-T is its outstanding On-Resistance (RON) of 0.7 ohm, which is considerably lower than the competition. It also offers high frequency performance and is capable of switching between 0V and 5V with a switching time of 8ns. The ISL84781IV-T also provides excellent routing flexibility, allowing designers to route to any of the eight switch ports, regardless of the configured I/O design.

The ISL84781IV-T multiplexer and demultiplexers are a class of high performance, low power ICs. Primarily used as switches to transfer information between two points, either by multiplexing (shifting) or demultiplexing (splitting). As a low power device with a low startup current and low maximum quiescent current, they are ideal for applications with limited power sources, where the highest performance and lowest power consumption is desired. The ISL84781IV-T can also be used as a level shifter, able to translate signals between two logic systems with different voltage levels.

The ISL84781IV-T also has a very low threshold voltage, ideal for applications where signals around 0V are transmitted or received. With its low RON, it also offers a good dynamic range and power saving modes that can be used to reduce the energy consumed by the chip. Additionally, it can provide a wide voltage range, allowing for the more flexible design of power and voltage supply systems.

The working principle of the ISL84781IV-T is based on the same physics principles as most other analog switches. The device includes two inputs and an output, and switches signals between the inputs and outputs, with the output corresponding to the input at that moment. It is a very simple circuit because the switching is done by changing the resistance between the inputs and the outputs. Depending on the arrangement of the pins, it can switch signals from one input to the other, multiplex multiple signals (in the case of a multiplexer) or demultiplex one signal into many (in the case of a demultiplexer).

The ISL84781IV-T is a versatile and cost effective analog switch thanks to its high performance and low power consumption. With a wide range of application areas, it offers a good combination of small footprint, low cost and fast switching. Not only is it a good choice for data processing and medical imaging applications, but its high RON and low threshold make it an attractive option for high-end audio applications as well.

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