ISL84780IR

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ISL84780IR is an analog switch with low off-state leakage current and low RDS(ON). It is an interface-level device that offers low equivalent ON resistance and a wide signal bandwidth. This device is intended for applications in audio, video, data, and telecom products, among other analog and digital systems.

The ISL84780IR is an ideal switch for applications where minimal power consumption and low input and output capacitance are desired. It consists of two single analog switches with a common control signal that switches the channels simultaneously. It supports both active HIGH and active LOW control modes.

Working Principle

The ISL84780IR works with a single power supply or two power supply pins and opto-isolated tri-level control input pins. The logic-level control input (common for both switches) is used to enable or disable both switches. The voltage applied to the control pin will determine the level of the switches. A high voltage will turn the switches to their on-state and a low voltage will shut the switch off.

The ISL84780IR is designed for single or two supply operation from a 3V ± 10% supply. The input and output pins can tolerate up to ± 30V. This device also has low distortion characteristics and low power consumption making it suitable for audio and video applications.

The device has maximum RDS (ON) of 0.0032Ω at 1.8V and is specified to switch a differential signal of ±2V, 30kHz bandwidth and 0.1 nF capacitance. The maximum input capacitance is only 1.3 pF at 1.0V, which is less than half the competition. As a result, the ISL84780IR provides very good input and output signal integrity.

It features a wide signal bandwidth of 70 MHz and a switching speed of 5ns minimum. The ISL84780IR also has low off-state leakage current of 0.5 nA, making it one of the most reliable and low power-consuming switches available.

The device also has several other features that make it suitable for many applications. It has a thermal shutdown to prevent overworking the device and it also offers de-glitching, a signal-blocking effect that makes it ideal for audio applications.

In summary, the ISL84780IR is an ideal switch for low off-state leakage current and low RDS (ON). Its wide signal bandwidth and low input and output capacitance make it an excellent choice for audio, video, and data applications. It is capable of switching a differential signal and has a low power consumption and low off-state leakage current. This makes it ideal for many applications.

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