ISL84581IAZ-T

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The ISL84581IAZ-T is a member of Intersil’s ISL84580 family of low voltage, low power, temperature-compensated, single and dual output analog switches, multiplexers, demultiplexers, and multiplexers with isolation. This particular device is a temperature-compensated 8-channel single-ended-to-differential switch/multiplexer with analog isolation constructed from P-Channel MOSFETs. The ISL84581IAZ-T can be used to switch/multiplex several analog signals between various analog or digital circuits. It offers one single-ended input port and two differential output ports with precision track/hold capability. This device operates on power supplies that can range from 4.5V to 5.5V and has a maximum power-down current of 1nA (typical). This device also features temperature compensation, which eliminates the need to sample each input and output pair to maintain an optimal switching profile over temperature.

Applications for the ISL84581IAZ-T include multiplexing in applications such as data acquisition, process control, and power management, as well as any other application where a low power, high performance, temperature-stable solution is needed. This device can also be used for signal conditioning, signal routing, and switch selection. The high level of analog isolation provided by the device also makes it ideal for automotive and medical applications in which electrostatic discharge (ESD) protection and lower no-load offset drift are required.

The working principle of the ISL84581IAZ-T device is fairly simple: the device has a common input port and two independent differential output ports – labeled A and B – that need to be switched between several input signals. Each port contains two single-ended MOSFETs. When a signal is applied to the input port, one of the MOSFETs will be activated while the other is deactivated, allowing the signal to pass through one output port while isolating it from the other. Then, the device can be switched to another input signal, and the process is repeated. The MOSFETs in each port are designed to have a low no-load offset drift, making the device an ideal choice for high accuracy applications.

The ISL84581IAZ-T device offers several unique features which make it very useful for sensitive analog and digital applications. It is extremely low power, making it well suited for battery-powered applications. It also has very low voltage operation, which makes it suitable for applications that require a lower voltage than the standard 5V. Additionally, the device has excellent on resistance and leakage, as well as very low ESD levels.

The ISL84581IAZ-T device provides an ideal solution for applications that require precision analog signal routing and isolation. Its low power consumption, temperature compensation, and low no-load offset drift make it suitable for a wide variety of analog and digital applications. Moreover, its wide operating temperature range and low voltage operation allow it to be used in tough environments, such as automotive and medical applications.

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