SI8401AB-B-IS

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

Digital isolators are devices used to safely and accurately transfer signals through electrical isolation. SI8401AB-B-IS is a typical digital isolator which provides characteristics such as high isolation voltage, low system power consumption and high data rate transmission to make it ideal for many applications. In this article, we will discuss the application field and working principle of the SI8401AB-B-IS digital isolator.

Application Field of SI8401AB-B-IS

The SI8401AB-B-IS digital isolator is specifically designed for use in a variety of industrial, medical, and communication applications. It is suitable for applications that require high isolation voltage and low power consumption. This isolator can also be used in automotive electronics since its electromagnetic interference (EMI) performance meets the automotive industry requirements.

The SI8401AB-B-IS digital isolator is particularly suitable for industrial motor control applications. This digital isolator uses digital switching technology to control the motor, which can help reduce energy consumption, improve system response speed, reduce system costs and simplify system design. In addition, this isolator can also achieve baud rate from 10 kbps to 100 kbps over a long distance.

The SI8401AB-B-IS digital isolator is also suitable for biomedical applications. The hardware isolation of the digital isolator ensures the safety of the medical instruments and protects the patient. It can also increase the system speed and improve the accuracy and reliability of biomedical instruments. In addition, this isolator is also widely used in communication applications such as Ethernet, CAN, and HDMI.

Working Principle of SI8401AB-B-IS

The isolation of the SI8401AB-B-IS digital isolator is divided into three parts: the input stage, the isolation stage, and the output stage. The input stage contains a GreenFET3 MOSFET which receives the signal from the input side. The signal is then buffered, amplified, and converted into a digital signal. This digital signal is transmitted through the isolation stage, which consists of an optical isolator and an IC driver. The output stage contains a GreenFET3 MOSFET which is used to convert the digital signal received from the isolation stage into an analog signal.

The digital isolator also works as a power isolator, converting the input power of the device into a safe and isolated output power. When the input power is higher than the output side, the GreenFET3 MOSFET in the output stage will remain off. This will allow the device to remain isolated, and the input and output sides will not be affected. The current output of the digital isolator is 150mA, but it can be increased through an external power source.

In addition, the digital isolator also provides excellent protection against electrical noise. The isolator is designed with an electromagnetic interference (EMI) filter, and can also reduce the common mode interference between two devices. It also provides transient voltage protection, as well as protection against lightning and power surges.

The SI8401AB-B-IS digital isolator is an excellent choice for a variety of applications requiring safety, accuracy, and reliability. Its features such as high isolation voltage, low power consumption, high data rate transmission, and excellent EMI performance make it an ideal choice for industrial motor control, biomedical applications, and communication applications.

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