SI8655BB-B-IS1

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Digital Isolators refer to signal input and output devices used in electrical systems to isolate the input side from the output side, avoiding interference and connections while preventing voltage surges from affecting the circuit on the output side. The SI8655BB-B-IS1 digital isolator is a great example in this regard.

The SI8655BB-B-IS1 is an opto-coupler/bit serializer component with a 10-bit transmission speed which uses bit level parallel data inputs to generate serial frame clock signals. With bidirectional communication, this isolator needs only a single input and single output line for frame clock signal control and can support a maximum data rate speed of 2 Mbps. This makes it ideal for isolation in low-power environments or remote control applications.

The SI8655BB-B-IS1 digital isolator is in a 0.6mm pitch surface-mount package and offers the highest industry immunity of 4kV of dielectric. It provides optical isolation and electrical protection of up to 500V rms, as it has a galvanic separation between the input and output sides of the device.

The SI8655BB-B-IS1 makes use of an AC coupled differential line driver and receiver for signal transmission, as specified in the EIA-422A and TIA/EIA-485-A electrical standards. As a result, this digital isolator allows for a voltage range from -2.5V to 7.5V on the input and output sides of the device. It provides electrolytic capacitors for filtering noise and the package type is ETQFN (8 x 11 mm).

The SI8655BB-B-IS1 digital isolator is suitable for applications with power supply voltage of 3.3 V to 5.5 V and can withstand an operating temperature range of -40°C to +85°C. In addition, the device has a maximum propagation delay of 5 µs and 50pF load capacitance on both the input and output sides.

In terms of applications, the SI8655BB-B-IS1 digital isolator is typically used in industrial systems, robotics, automotive, HVAC, medical and battery-powered applications. This isolator is also used for signal isolation in communication networks and digital systems as well as in devices such as consumer electronics, home appliances, industrial controllers, embedded systems as well as in medical equipment.

The SI8655BB-B-IS1 digital isolator is based on the principle of light sending a signal to the output side while completely eliminating any form of direct electrical connection on that side of the device. With optical isolation, the input and output sides are separated by means of an opto-isolator, allowing the output side to remain unaffected from any input voltage surge. This makes the device perfect for use with severely regulated power supply voltages and helps to prevent any risks of interference.

Overall, the SI8655BB-B-IS1 digital isolator provides high-speed optical isolation and electrical protection in industrial and commercial applications, while also providing a high degree of electrical isolation between the input and output sides of the device. Its features make it ideal for systems requiring isolated communications with higher response speeds and make it a popular choice among engineers.

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