SI8463AB-B-IS1

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Digital isolators provide galvanic isolation between two circuits, improving immunity from external noise and electromagnetic interference (EMI). The SI8463AB-B-IS1 is one such digital isolator, a Silicon-on-Insulator (SOI) technology based monolithic device which provides essential safety features in a wide range of high-speed applications.

The SI8463AB-B-IS1 offers a data transmission rate of up to 25 Mbps, and can quickly and securely transmit digital signals across isolated domains while reducing power consumption. It continues to operate reliably even in an extreme temperature range of -40°C to +125°C. The device is highly reliable and compliant with the latest industry standards such as UL, CSA, IEC, EN and TUV.

The SI8463AB-B-IS1 supports 2.5 kV isolation for both high and low-voltage side, protecting both user and system from damages due to external influences. It is equipped with an integrated voltage regulator on the low-voltage side, providing an impressive ±15 kV/μs of transient immunity. Plus, it features two short-circuit-proof current-limiting resistors, preventing short-circuit effects and eliminating the need for extra components.

The working principle of the SI8463AB-B-IS1 is based on Silicon-on-Insulator (SOI) thin-film, which allows the device to be produced at a very small size, so that it can be easily embedded within a system. The device\'s internal 8-channel bidirectional optical isolator consists of a light source (LED) and a photo-transistor, which is used to transfer signals and to isolate each circuit from the other side. It is also capable of achieving an isolation resistance of up to 10 giga ohms, further eliminating any potential interference.

The SI8463AB-B-IS1 digital isolator is well suited for multiple industrial and medical applications such as motor control, motor drive, industrial automation, as well as medical instrumentation. It is also suitable for field device connected applications, as well as 5G/4G cellular communications and other high-speed digital transmission applications. Moreover, the device provides low power consumption, high reliability, fast response time, and good EMC performance.

In conclusion, the SI8463AB-B-IS1 digital isolator is a reliable and high-performance device that is suitable for a number of applications. Its SOI technology allows it to be easily integrated into existing systems, while its high level of immunity makes it an ideal choice for applications that are subject to noise and interference. Plus, the device offers low power consumption, high reliability, fast response time, and good EMC performance, making it an excellent choice for industry and medical applications.

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