ISL84051IVZ

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Interface – Analog Switches, Multiplexers and Demultiplexers

Interface – Analog Switches, Multiplexers and Demultiplexers are important components used in various electronic applications. They are mainly used in switching and routing electronic signals. ISL84051IVZ is one of the popular analog switches available in the market. This device is a 4-channel 2.5V single supply analog mux/demux that has been specially tailored for power optimization. In this article, we will explain the application field and working principle of ISL84051IVZ.

Applications of ISL84051IVZ

ISL84051IVZ is mainly used in audio, digital and analog switching applications. It finds applications in several audio systems like car audio systems, home theater systems and audio mixing consoles. It is also used in digital audio and digital video systems like HDTVs, digital video cameras and set top boxes. Furthermore, it is used in devices that involve analog signal routing, such as oscilloscopes, soldermask pretesters, antenna switches and medical equipment.

Additionally, it is widely used in telecom systems like routers, fiber optic networks, cellular phones and base stations. Other applications of the ISL84051IVZ include electro-mechanical switching systems, portable equipment, air traffic control systems and machine-to-machine communication.

Working Principle of ISL84051IVZ

The working principle of the ISL84051IVZ is based on the combination of n-type and p-type field-effect transistors (N and P FETs). This combination of N and P FETs forms the basic building block of the switch. It offers four digital channels and can operate in two modes. In the multiplexer mode, the device acts as a 4:1 multiplexer and can switch between four different analog signals. In the demultiplexer mode, the device acts as a 1:4 demultiplexer and receives an analog signal as input, which is subsequently routed to four different digital channels.

ISL84051IVZ has four input/output (I/O) channels. An I/O channel consists of an analog input, an analog output and a digital control signal. The I/O channels can be individually configured for the desired input/output parameters. The analog output is determined by the input signal and the digital control signal. The digital control signal is used to enable/disable the I/O channel. When the enable pin is triggered, the output will follow the input signal.

ISL84051IVZ is also capable of handling a wide range of input voltages. It supports an input voltage range between 0V and 5V, making it ideal for a variety of different applications. It is also designed for low-power operation, with a maximum quiescent current of 15µA and a maximum switching current of 300mA.

Summary

In summary, ISL84051IVZ is a 4-channel 2.5V single supply analog mux/demux that has been specially tailored for power optimization. It is used in several audio systems, digital audio and video systems, telecom systems, electro-mechanical switching systems and other devices that involve analog signal routing. The working principle of the ISL84051IVZ is based on the combination of n-type and p-type field-effect transistors (N and P FETs). This combination of N and P FETs forms the basic building block of the switch. Furthermore, it is designed for low-power operation and it can handle a wide range of input voltages.

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