SI8440AB-D-IS

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Digital isolators provide reinforcement of signal integrity in electronic equipment. As a type of digital isolator, the SI8440AB-D-IS is widely used in various application fields, such as automotive industry, healthcare, factory automation, consumer electronics, and renewable energy. Generally, it helps improve manufacturing processes, protecting sensitive data, provide enhanced system performance, safety, and reliability.

The SI8440AB-D-IS features a two-channel, bi-directional digital isolator that is based on the Isolated Transformer Bus (ITB) technology. The device supports communication of data and status information between isolated domains without the need for an internal conversion or power supply. It provides a signal transfer rate of 10 Mbps, low power consumption, and the ability to isolate up to 1200 volts.

In addition, the SI8440AB-D-IS features various protection mechanisms, such as a built-in protection diode, the channel to channel galvanic isolation of 10kV, and the input/output ESD protection up to 8kV. This ensures robust and reliable signal transfer between isolated domains while providing galvanic isolation of up to 10kV. In fact, the SI8440AB-D-IS provides a wide variety of useful features, all while providing the smallest possible size and weight.

The SI8440AB-D-IS works based on a technique known as transformer coupling. This technique relies on the differential mode and the common mode currents (CM) to separate different domains. Essentially, it transmits information using differential signals and galvanic isolation. By using this technique, the SI8440AB-D-IS is able to transfer data without any interruption or errors, even under harsh conditions.

In addition, the SI8440AB-D-IS also utilizes a two-wire differential bus system. This advantage enables high speed, low power transmission of data and status information. By connecting two of its connectors, numerous devices can be connected in series. This allows for easy wiring between different devices and systems. The use of two-wire differential bus eliminates most of the crosstalk associated with traditional electromechanical relay-based systems.

Overall, the SI8440AB-D-IS is a great digital isolator that offers a variety of features that make it suitable for a variety of application fields. It provides robust and reliable signal transfer between isolated domains while providing galvanic isolation of up to 10kV. In addition, its small size and weight, along with its low power consumption, make it a great choice for a wide range of applications.

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