SI8451AB-B-IS1R

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Digital Isolators play an important role in Communication and Instrumentation, Control and Power, Automation, Industrial System, Consumer, Automotive, and Medical devices. The SI8451AB-B-IS1R is one popular digital isolator that combines excellent data transmission performance with low cost. It is designed to operate within a wide range of supply voltages, but still offers pass-through data rates of up to 12.5 Mbps. This makes it ideal for applications where high performance digital signal isolation and low power consumption are top priorities.

The SI8451AB-B-IS1R is an ideal choice for applications such as industrial bus communication, system monitoring, control, and motor drive control. The device is implemented in a state of the art 16-pin QFN package with four lead-free terminals, assuring the shortest lead times possible and highest quality. Moreover, this device meets all required RoHS, REACH, and WEEE directives, ensuring its use in cost effective applications.

The SI8451AB-B-IS1R offers an operating temperature range of -55° to +125°C, making it capable of operating in extreme environmental conditions. Furthermore, it delivers a high level of protection against electrical surges, ESD, noise, and other transient effects. Its maximum voltage differential is 2.4kVrms, making it suitable for high voltage power systems and industrial appliances.

The SI8451AB-B-IS1R utilizes an innovative concept of power line galvanic isolation, combining the latest BiCMOS dynamic CMOS process with extra thick shielding layers. This isolation technology protects the user from potential EMI/RFI interference that may be caused by a noisy power line. Additionally, the transfer rates that can be achieved with the SI8451AB-B-IS1R are up to 12.5 Mbps, making it suitable for high speed communication applications.

The SI8451AB-B-IS1R features a wide variety of other high performance features, including an adjustable driver strength from 16 mA to 32 mA, low VDD ripple, and glitch immunity. Furthermore, the PECL interface ensures reliable, low noise operation, while the on-chip analog circuitry minimizes power consumption. The built-in voltage isolation is capable of up to 3,000 VAC for industrial safety and peace of mind.

The SI8451AB-B-IS1R digital isolator has the capability to integrate high speed data communication, controller operation, and various control functions in a single device, making it a suitable choice for applications in communications, control and power applications. Thanks to its wide operating temperature range, the SI8451AB-B-IS1R is an excellent choice for harsh industrial and power applications.

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