ISL43142IRZ-T

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Interface - Analog Switches, Multiplexers, Demultiplexers

ISL43142IRZ-T is a device from Intersil that belongs to the Analog Switches, Multiplexers and Demultiplexers family. It is a quad SPDT analog multiplexer/demultiplexer with 20ns propagation delay, low off isolation and flat on-state resistance. It supports downstreaming 5V and up to 20V signals in both analog and digital format.

ISL43142IRZ-T is employed in several application fields, such as industrial, communication, wireless and consumer electronics. Applications involving operations like sensing, switching, routing and multiplexing of analog signals can take advantage of this device\'s features, as it allows a high level of integration, providing excellent performance and flexibility.

ISL43142IRZ-T offers a best-in-class performance, boasting a bandwidth of 200MHz and with a propagation delay as low as 1.25µs max. The high versatility of the device is also worth mentioning, since it can be used in a wide variety of applications: from general purpose on/off control, power switch controls and switching systems, to switching between audio signals for recording and monitoring.

As for its working principle, the switch is controlled by a logic signal, which can be applied to either the A, B or both pins. This logic signal determines the desired function depending on the selected configuration (SPDT, SDPT, TPST or SPST). When the logic voltage at the input is high, the switch is in the on-state, while a low voltage causes the switch to enter in the off-state. By connecting all input pins together to a common voltage, the device can be configured as a SPDT remote control switch, allowing for switching between two different states.

In terms of power requirements, ISL43142IRZ-T consumes very low power, with a better than 90µAMax IDD current at a given supply voltage. The device is available in both 8-pin TSSOP and 8-pin SOIC packages, features both a Pb-Free and Green specification and is RoHS compliant.

In conclusion, the ISL43142IRZ-T is an effective, reliable and versatile device, intended for use in analog signal switching. Its wide range of features, such as low power consumption, bandwidth of up to 200MHz, 20ns propagation delay, low off isolation and flat on-state resistance, allows for its use in a variety of different applications and is perfectly suited for operations involving multiplexing, switching and routing of analog signals.

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