ADUM1250ARZ-RL7 Isolators

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Digital isolators are electrical devices with one or more input interfaced with an electrical insulation barrier, and one or more output interfaced with the same or different electrical insulation barrier. The most common type of digital isolator is the opto-isolator, which includes a light emitting diode (LED) or a laser on the input side, an array of photodiodes on the output side, and an insulation barrier between the two. The ADUM1250ARZ-RL7 is a high power, digital isolator specialized for applications demanding fast data rates, wide operating temperature ranges, and a wide dynamic range of input and output voltage levels.

The ADUM1250ARZ-RL7 has a maximum data rate of 10GBd, and is optimized for isolation of up to 17 kV/μs common mode transient immunity. It is designed to be powered from a single 5V supply, and offers a maximum logic output current of 8.5mA. It features an internal 5V voltage regulator for added protection. The device also has an open drain structure that allows for high levels of noise filtering and high electrical isolation of the power supplies.

The working principle of the ADUM1250ARZ-RL7 is based on the opto-isolator principle. A photodiode on the input side detects the presence of a light beam emitted from the LED, which is caused by the signal from the input side. This light beam is then received by the output side photodiode, which produces an electric signal that is then amplified by the device. The amplified signal is then passed through the isolation barrier and reaches the output side, where it is received and processed to create the desired output.

The ADUM1250ARZ-RL7 is ideal for applications requiring high power and isolation, and is especially suitable for Signal Integrity and surge protection in high speed transmission systems. The device can also be used in industrial Automation, robotics, and power control and monitoring applications. It is designed to withstand a very wide range of operating temperatures from -40°C to +125°C, and is insensitive to the effects of electrostatic discharge (ESD) and electro-magnetic interference (EMI).

Thanks to its high data rate, wide operating temperature range, and wide dynamic range of input and output voltage levels, the ADUM1250ARZ-RL7 is an ideal choice for designers who require high signal integrity and reliable data transmission in demanding applications. Additionally, its internal 5V voltage regulator ensures that the device is highly resistant to spikes and transients, providing added protection for sensitive system components.

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