Allicdata Part #: | ADUM1281BRZ-RL7TR-ND |
Manufacturer Part#: |
ADUM1281BRZ-RL7 |
Price: | $ 0.00 |
Product Category: | Isolators |
Manufacturer: | Analog Devices Inc. |
Short Description: | DGTL ISO 3KV 2CH GEN PURP 8SOIC |
More Detail: | General Purpose Digital Isolator 3000Vrms 2 Channe... |
DataSheet: | ADUM1281BRZ-RL7 Datasheet/PDF |
Quantity: | 2000 |
Common Mode Transient Immunity (Min): | 25kV/µs |
Base Part Number: | ADUM1281 |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C |
Voltage - Supply: | 3 V ~ 5.5 V |
Rise / Fall Time (Typ): | 2.5ns, 2.5ns |
Pulse Width Distortion (Max): | 3ns |
Propagation Delay tpLH / tpHL (Max): | 35ns, 35ns |
Data Rate: | 25Mbps |
Series: | iCoupler® |
Voltage - Isolation: | 3000Vrms |
Channel Type: | Unidirectional |
Inputs - Side 1/Side 2: | 1/1 |
Number of Channels: | 2 |
Isolated Power: | No |
Type: | General Purpose |
Technology: | Magnetic Coupling |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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Digital isolators are devices used to separate two distinct circuits while still allowing the transfer of digital signals between them. The aim of the device is to protect one circuit from another by preventing components and electronic signals from crossing over. This separation effect is achieved by using a combination of transformer and semiconductor technology. Of all the various digital isolator type and brand available in the market, ADUM1281BRZ-RL7 stands out as one of the most popular choice. This article will discuss the application field and working principle of this digital isolator.
Applications
Generally speaking, ADUM1281BRZ-RL7 digital isolator can be used in many different applications. It is often used in industrial networks to ensure that the safety critical systems run without any interference from other less-critical networks. It can also be used in medical equipment where it is essential to have two separate power sources and ensure the device is operating correctly. In addition, it can be used in power converters and motor control systems where it helps prevent any electrical back flow which could result in damage to the system.
Working Principle
The working principle of the ADUM1281BRZ-RL7 digital isolator is quite simple and it is an ideal device for critical applications. This isolator makes use of both transformer and semiconductor technology to separate two circuits and prevent any crossover. First, the primary circuit is isolated from the secondary circuit by a transformer which prevents any leakage of signals from the primary to the secondary circuit. Then, an isolation gate is used to further ensure there is no transfer of signals or electricity between the two circuits. Finally, the digital data in the primary circuit is converted into a digital signal which is passed to the secondary circuit.
The digital isolator is designed to be highly efficient and reliable, but with its high efficiency also comes a high cost. Fortunately, for many applications the cost is still worth it as it ensures the safety and reliability of the system. It has the ability to operate in temperatures up to 105°C and provide excellent protection against surges, spikes, and electromagnetic interference.
Conclusion
In conclusion, the ADUM1281BRZ-RL7 is a well designed and reliable digital isolator which is suitable for a wide range of applications. It offers excellent protection against interference and can be used to ensure the safety of critical systems. The working principle is simple and efficient, and it is worth the cost for many applications.
The specific data is subject to PDF, and the above content is for reference
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