Four-Channel Digital Isolator – Reinforced – High Speed – Low-Power

The project presented here is a high-speed, low-power 4-channel digital galvanic isolator. This innovative solution enables the transfer of digital signals between circuits with different power domains, achieving an impressive power consumption of as little as  0.74mW  per channel at a data rate of  1 Mbps,  while operating on a  1.8V  supply. At the heart of this project is the  MAX22445FAWE  chip, which features reinforced isolation, allowing it to withstand a voltage rating of  5KV-RMS  for  60 seconds.  This robust design ensures reliable and secure signal transmission.

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