ISL84543IHZ-T

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The ISL84543IHZ-T is an IC device from Intersil Corporation which belongs to the Interface - Analog Switches, Multiplexers, Demultiplexers category. It incorporates a 3:2 differential multiplexer, which has three low power VLCRTL CMOS inputs and two differential outputs. This device works by taking in differential analog signals from three VG-DIFF inputs and selecting one differential output based on the level of the control signal (SW). The device is capable of handling a common-mode voltage range of up to 10 V, making it suitable for use in various systems.

ISL84543IHZ-T Application Field

The ISL84543IHZ-T IC is mainly used in applications where switching between several differential analog signals needs to be done. Some of the typical application fields include:

• Multi-channel data acquisition systems
• High speed serial data transmission systems
• High speed Ethernet systems
• High speed video systems
• High speed medical imaging systems

The above applications require multiplexing of differential signals with low power consumption and low-cost, which the ISL84543IHZ-T IC can provide.

ISL84543IHZ-T Working Principle

The ISL84543IHZ-T IC incorporates a 3:2 differential multiplexer which is capable of taking in 3 VG-DIFF inputs and selecting one differential output based on the level of the control signal SW. When SW is logic high, the two differential outputs are connected to the upper two inputs and when SW is logic low, the two differential outputs are connected to the bottom two inputs. This makes it possible for the IC to switch between the multiple input signals accordingly.

The IC employs a low-power VLCRTL (very low-power complementary-metal-oxide–semiconductor) CMOS input design that works with a common-mode voltage range of up to 10 V. This allows the IC to handle a wide range of analog input signals as well as to operate in an extended input range, resulting in high noise immunity.

The ISL84543IHZ-T IC also features a high speed switching time of 10 ns, making it suitable for data transmission applications with high input frequency. The device also provides a high isolation of 90 dB at 5 MHz, which allows it to filter out undesired signals.

Conclusion

The ISL84543IHZ-T IC Device from Intersil Corporation is a versatile, low power analog switch belonging to the Interface - Analog Switches, Multiplexers, Demultiplexers category. This device can switch between differential analog input signals at high speed, with low power consumption and low-cost. It is suitable for use in various systems and applications, such as high speed serial data transmission systems, high speed Ethernet systems, high speed video systems, and high speed medical imaging systems.

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