ADUM6402CRIZ-RL

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Digital Isolators are used to combat the problem of galvanic isolation of systems. A galvanic isolation system is designed to maintain a certain distance between two current carrying devices in order to prevent any electro-magnetic interference between them. Due to the growing popularity of single board computer systems and Ethernet connections, it is becoming increasingly important for digital isolators to be used in these systems in order to prevent any interference that may arise from these connections. The ADUM6402CRIZ-RL is an example of such a digital isolator.

The ADUM6402CRIZ-RL is a 6-channel digital isolator with a reinforced isolation of up to 5 kV, making it suitable for industrial applications. It features one input side with 6 RS-422/485 differential receiver, one output side with 6 driver outputs, and an on-board supply voltage range from 3.3 to 5.5 V, making it a great choice for 3.3/5V signaling application. It also features low power consumption, low propagation delay, low EMI emission, and low EMI/RFI sensitivity. In terms of noise immunity, it has a -50 dBc max, ensuring that all signals stay noise-free.

In terms of application fields, the ADUM6402CRIZ-RL is most commonly used in industrial automation and data acquisition equipment, as well as in embedded systems. Its 6-channel capability makes it an ideal choice for many message transfers, where one data rate still needs to be maintained between two pieces of equipment. Additionally, since it is capable of withstanding repeated surges up to 5 kV, it is also suitable for applications where it is exposed to high voltage environmental conditions over an extended period of time.

In terms of working principle, the ADUM6402CRIZ-RL utilizes a combination of digital and analog development techniques to provide isolation between the input and output sides. On the input side, a receiver is used to convert the incoming signal into digital data, which is then isolated by the on-board gate device. On the output side, a driver is used to convert the digital data to an analog signal, which is then used to drive the output side of the isolator. The combination of the two technologies provides a high level of noise immunity, allowing it to perform reliably in high voltage and harsh EMI/RFI conditions.

Overall, the ADUM6402CRIZ-RL is an excellent digital isolator with a reinforced isolation of up to 5 kV, low power consumption, low propagation delay, and low EMI emission. It is suitable for applications such as industrial automation and data acquisition equipment, as well as embedded systems, where it can provide a reliable and noise-free transmission of data in high voltage environmental conditions.

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