SI8635BC-B-IS1

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Digital Isolators

Digital isolators are designed to provide galvanic isolation to protect the system from high voltage transients and ground loops. Digital isolators use magnetic-based technology to transform the digital signal from a primary to a secondary side without any direct electrical connection between them. The SI8635BC-B-IS1 is a digital isolator that is suitable for a variety of applications.

SI8635BC-B-IS1 Application Field

The SI8635BC-B-IS1 is an optically isolated digital isolator that provides galvanic isolation up to 5 kVrms/1 minute. It is designed to isolate a wide range of digital signals up to 40 Mbps, from both the input and output. It also features an isolation barrier with excellent transient immunity and low leakage, making it suitable for a wide range of applications. Common applications include communication equipment, medical devices, industrial automation and control, and transportation systems.

SI8635BC-B-IS1 Working Principle

The SI8635BC-B-IS1 is based on an optical isolation technique called Metal Oxide Semiconductor Field Effect Transistor (MOSFET) technology. This technology is based on a unique optical structure that includes two MOSFETs connected in a back-to-back configuration. The MOSFETs are designed to provide high power transfer efficiency between two sides, as well as low power consumption and excellent transient immunity. The two transistors are positioned in an insulated package to provide excellent electrical isolation, while the optical structure allows the digital signal to be transferred from one side to the other without any direct electrical connection.

The SI8635BC-B-IS1 also features an extremely low capacitance of 0.25 pF (typ), making it suitable for high speed transfer applications, while the high signal integrity ensures that the isolation barrier remains stable over the lifetime of the product. Additionally, the device features a wide operating temperature range (-40°C to 85°C) and is RoHS compliant, making it suitable for a variety of industrial applications.

Conclusion

Digital isolators are essential components for many electronic systems. The SI8635BC-B-IS1 is a high speed digital isolator that is ideal for a wide range of applications, including communication equipment, medical devices, industrial automation and control, and transportation systems. It is based on an optical isolation technique called Metal Oxide Semiconductor Field Effect Transistor (MOSFET) technology and features a unique optical structure, an extremely low capacitance of 0.25 pF (typ), a wide operating temperature range (-40°C to 85°C), and RoHS compliance.

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