HCPL-J454-400E

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

HCPL-J454-400E Application Field and Working Principle

Optoisolators are used to isolate an electrically noisy environment from an embedded microcontroller. A Transistor Output Photovoltaic (TOPV) optoisolator, such as the HCPL-J454-400E, can offer an alternative approach for which the selection of the optiosolator is of high importance. This model is well-suited for the application of interfacing a noisy environment with a digital signal.

Key Features and Technical Specifications

The HCPL-J454-400E is a 4-pin Transistor Output Photovoltaic (TOPV) optoisolator from Avago Technologies. It has a high insulation voltage rating of 40V and low current draw of 2 mA. Its key features include high speed switching, wide operating temperature range from -40°C to 85°C, and a low propagation delay of 25ns. In addition, the optoisolator has an output current capability of 10mA, a high isolation voltage of 2500V RMS, and a wide modulation bandwidth of 20KHz. The optoisolator also has an extremely low input trigger current of 0.1μA.

Application Field and Working Principle

The HCPL-J454-400E Transistor Output Photovoltaic (TOPV) optoisolator is typically used in applications that require signal isolation between noisy environments and a digital signal. It is especially suitable for systems that run at high speed. Its working principle is based on the use of a light-activated photodiode and a light-activated transistor. The photodiode detects external signals and converts them into electrical signals, which are then relayed to the transistor. The transistor then amplifies the electrical signals and sends them to the output circuit. The optoisolator provides complete electrical isolation between input and output circuits, thereby preventing signal interference and errors from entering the system. As the optoisolator is designed with only one transistor, it is more efficient than optoisolators with multiple transistors.

Conclusion

The HCPL-J454-400E Transistor Output Photovoltaic (TOPV) optoisolator is a reliable and efficient four-pin optoisolator from Avago Technologies. With its wide operating temperature range, high speed switching, high insulation voltage rating, and low current draw, it is ideal for connecting a noisy environment with a digital signal. Moreover, its working principle based on the use of a photodiode and a transistor provides complete isolation of input from output, thereby protecting the system from potential signal interference and errors.

The specific data is subject to PDF, and the above content is for reference