SI8645BB-B-IUR

Common Mode Transient Immunity (Min):	35kV/µs
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm 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:	2500Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	4/0
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Digital Isolators are also known as data isolators, which are widely used in various electronic circuits. They are mainly used in power systems, communications systems, industrial control applications, as well as in automation systems. Digital Isolators are essential components in many applications, because of their unique electrical parameters. A Digital Isolator can provide electrical isolation, reduce electromagnetic interference (EMI), and limit induced currents.The SI8645BB-B-IUR is a type of Digital Isolator. It is composed of two distinct sections- the galvanic isolator and converter. This isolator has a very wide application field as it is used in the electrically-fail-safe safety controllers, non-isolated power supply, as well as isolated data transmission and control systems.The working principle of the SI8645BB-B-IUR is based on the two Galvanic or Optoelectric Isolation Blocks. These two blocks are responsible for the conversion of an electrical signal from one side of the isolator to the other side. The galvanic isolation block contains two transistors, and a resistor between them. The transistors are responsible for the conversion of theinput signal from a voltage to a current. The resistor is used to limit the current flow, thereby ensuring the safety of the circuit. In the optoelectric isolation block, optical components are used to convert the input electrical signal into light energy. This light energy is then converted back into electrical form at the other side of the isolator by using phototransistors or photodiodes. This type of isolator can function both in the presence of AC and DC power.Apart from its conversion capabilities, the SI8645BB-B-IUR offers various isolation benefits as well. It can isolate DC or AC power with a high degree of accuracy, and it can provide up to 20 KV of electrostatic charge protection. It has a high common-mode rejection (CMRR), which is necessary for reducing noise and improving signal quality. It provides up to 8 Mbits of data per second transfer rate, which makes it suitable for high speed applications. In summary, the SI8645BB-B-IUR is a type of digital isolator composed of two distinct sections- the galvanic isolator and converter. It is widely used in safety controllers, non-isolated power supply, and isolated data transmission and control systems. It offers various isolation benefits such as providing DC or AC power with a high degree of accuracy, and providing up to 20 KV of electrostatic charge protection. Additionally, it has a high CMRR and provides up to 8 Mbits of data per second transfer rate.

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