SI8655BD-B-ISR

Common Mode Transient Immunity (Min):	35kV/µs
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.5 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	4.5ns
Propagation Delay tpLH / tpHL (Max):	13ns, 13ns
Data Rate:	150Mbps
Series:	Automotive, AEC-Q100
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	5/0
Number of Channels:	5
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Digital Isolators

Digital isolators are devices that use electrical isolation to enable the transmission of digital signals between two circuits without any direct electrical connection between them. Digital isolators are typically used in embedded systems to help protect the system\'s external environment, such as analog circuitry, from the effects of electric noise generated from the digital signals. For safety reasons, digital isolators are also widely used in critical or sensitive applications.One of the most popular digital isolator products is the Silicon Labs SI8655BD-B-ISR. This device is a compact, high-performance, and low-power digital isolator designed for industrial and consumer applications. It integrates a high-voltage galvanic isolation system, an 8-bit bus, and a buffered differential receiver/transmitter to provide a level of protection up to 2.5 kV rms for 1 minute. The SI8655BD-B-ISR also offers an isolation rating of 8 kV air gap for the 8-bit bus, with support for up to five switches or encoders.The SI8655BD-B-ISR has a wide range of application fields, including motor control, factory automation, process control, and medical systems. It can also be used in applications such as power management, USB, and Ethernet where four CMOS compatible isolated lines are needed. In addition, the device has the capability of transmitting pulse trains with up to 2 Mbps bit rates, thus making it suitable for high-speed pulsed I/O applications.Regarding the working principle of the SI8655BD-B-ISR, it is based on a magnetic isolator mechanism using a high-precision CMOS differential line driver. The SI8655BD-B-ISR utilizes a unique transformer-based physical layer for high isolation and low Inter-Die capacitance (IDC). The device is based on a principle called magnetoelastic bonding, which ensures a completely sealed isolation between two connected lines. The transformer’s primary and secondary windings are based on very thin tips that create a tight mechanical contact, resulting in highly efficient and reliable data transmission. The use of magnetoelastic bonding technology also enables the SI8655BD-B-ISR to operate at operating temperatures of up to +105°C with an energy efficiency of up to 1.7 μJ/bit. In addition, the device is designed for long-term reliability, with the use of vertical layout components providing a high degree of redundancy within the system. The device is also designed for easy integration with other system components, thus reducing development time and eliminating the need for external isolation components. In addition to being extremely reliable and energy efficient, the SI8655BD-B-ISR is also easy to use. With its plug-and-play compatibility with various standard bus systems, the SI8655BD-B-ISR is the perfect choice for fast and easy digital isolator solutions. Furthermore, the device\'s advanced diagnostic features provide fault protection and quick troubleshooting, allowing for rapid recovery in the event of a system failure.In conclusion, the SI8655BD-B-ISR is a high-performance, low-power, and highly reliable digital isolator product. With its wide range of applications, and superior characteristics including long-term reliability, high energy efficiency, and ease of integration, the SI8655BD-B-ISR is an ideal choice for industrial and consumer systems.

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