PS9821-1-AX

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PS9821-1-AX optoisolators are part of a family of high-performance logic output optoisolators. They offer a range of features and performance characteristics that make them suitable for a variety of applications in industrial automation, telecommunications, automotive, computing, consumer, and medical markets. The devices offer high speed switching with low power consumption, excellent comfort noise immunity, and compliance with the standard UL1977 specification.

PS9821-1-AX components are used to electronically interconnect two or more electrical systems or components. By isolating the systems from each other, they provide the advantages of both high isolation and low-cost solutions. This makes them ideal for use in applications where noise suppression, optical isolation, and electrical isolation are required.

The PS9821-1-AX optoisolators provide high-speed pulses on an output Pin (or Pins) corresponding to the input, enabling quick switching times for system applications. The maximum switching speed is 300 KHz with a maximum supply voltage of 40 V and an operating temperature of -40 to +105 °C.

The optoisolator consists of an infrared emitting diode, an optically isolated photodetector, and a logic output driver. The input LED is photo-optically coupled to the detector IC which, in turn, drives the output transistor. As the LED is triggered, the current generated by the optotransistor causes the voltage at the output to switch from a high (−VCC) to a low (GND).

The devices are also rated to CSA requirements, have low propagation delay, and can be used in traditional applications as digital logic devices, switch-mode power supplies, switching regulators, and more. Additionally, the optoisolators are offered in a flat package that is easy to install in applications where space is limited. With their low profile and wide operating temperature range, PS9821-1-AX devices provide a comprehensive optoisolator solution for a variety of industrial automation designs.

The PS9821-1-AX optoisolators offer a number of advantages over traditional optoisolators. The devices are designed to provide high speed switching with low power consumption, and offer excellent comfort noise immunity and compliance with the standard UL1977 specification. Additionally, the high-speed pulses on the output pin provide for quick switching times in many applications. The low profile package also ensures easier installation in tight spaces. With their combination of features and performance, PS9821-1-AX devices provide a comprehensive optoisolator solution.

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