PS9123-AX

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Optoisolators - Logic Output provide effective electrical isolation and selective noise exclusion between two circuits. One of the most common and commonly used type of optoisolator is the PS9123-AX optoisolator with logic output, which allows electrical noise signals to pass while providing isolation between the input and the output.

The PS9123-AX optoisolator is designed to provide maximum safety and convenience by providing reliable isolation while maintaining electrical coupling between the input and output circuits. The PS9123-AX optoisolator is suitable for many applications, including industrial automation, data acquisition systems, and networked industrial control systems.

The PS9123-AX optoisolator is based on a simple principle of optoelectronic coupling. The circuit consists of an LED and a phototransistor mounted on a single monolithic chip. The LED and phototransistor are optically isolated from one another and separated by the substrate. The LED emits light when an electrical current is passed through it. The light transits to the phototransistor, which is placed in a separate chamber, where it is converted back into an electrical signal. This signal is then transferred to the output circuit.

The PS9123-AX optoisolator is designed to isolate an input from an output and provides a low-power logic level signal. The device is designed to provide maximum safety by providing reliable noise rejection while maintaining electrical coupling between the input and output circuits. The PS9123-AX optoisolator is also designed to provide maximum convenience by eliminating the need for physical separation of the two circuits.

The PS9123-AX optoisolator operates in two modes: normal input logic (NIL) and inverted input logic (IIL). The NIL mode is optimized to provide maximum noise immunity, while the IIL mode is optimized to reduce power consumption. Both modes offer high immunity to noise spikes and offer a low dropout threshold voltage allowing for increased isolation between the input and output circuits.

The PS9123-AX optoisolator is designed to be used in a wide range of applications, including industrial automation, data acquisition systems, and networked industrial control systems. With its high immunity to noise and high isolation between the input and output circuits, the PS9123-AX optoisolator is an ideal choice for applications requiring electrical isolation and noise exclusion in industrial environments.

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