ADUM231D0BRIZ-RL

Common Mode Transient Immunity (Min):	75kV/µs
Base Part Number:	ADUM231
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:	1.7 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	3ns
Propagation Delay tpLH / tpHL (Max):	13ns, 13ns
Data Rate:	150Mbps
Series:	iCoupler®
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	2/1
Number of Channels:	3
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Digital Isolators

A digital isolator is an electronic device designed to transfer digital signals between two electrically isolated circuits while providing electrical isolation between them. It is a crucial component for industrial automation applications, and is commonly used in electrical substation equipment, for example, for converting digital transmission signals from one medium to another. The ADUM231D0BRIZ-RL is an example of one of the most popular and reliable digital isolators on the market today.

Application Field

The ADUM231D0BRIZ-RL is designed for use in a variety of industrial automation applications, such as the protection of a controlled system against interference from outside noise, or where electrical safety is required. It is a simple and reliable solution to achieve galvanic isolation, and reduce the impact of current and voltage noise even at high frequency inputs.The ADUM231D0BRIZ-RL provides isolation for all signals, including data, clock lines, and power lines, with an isolation voltage rating of up to 1500V DC that is sufficient to provide reliable operation at various operating voltages, and a variety of industrial application requirements.

Working Principle

The ADUM231D0BRIZ-RL is based on the principle of opto-isolation. It combines opto-electronic input devices, between a pair of electrical conductors, with output drivers designed to meet the data transmission standards of the current application. The opto portion of the isolator consists of a dampened resistive bridge, containing a semiconductor opto-diode that is sandwiched between two ac-coupled photocells. When the electrical signal current passes through the opto-diode, the photocells detect this current, eliciting a response from the output drivers.The output drivers are designed to match the electrical transmission standards of the current application. As such, they are tuned to produce the appropriate voltage, current and impedance levels that the controlling authority demands for reliable data transmission. They are designed to switch at a predetermined gate voltage, to regulate both the voltage and current levels of the output signal.The ADUM231D0BRIZ-RL is designed with an integrated ground shield, which provides additional insulation and protection to the internal components and circuit boards. This additional level of protection helps to ensure that the isolator is able to meet the most demanding application requirements.

Conclusion

The ADUM231D0BRIZ-RL is an ideal digital isolator for industrial automation applications. It is a well-designed and reliable isolator that provides galvanic isolation to the electrical circuits in industrial applications, and helps to protect against the effects of current and voltage noise, even at high frequency inputs. Furthermore, the integrated ground shield provides additional insulation to the internal components, ensuring that the isolator is able to meet even the toughest application requirements.

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