4
votes
2answers
223 views

When is it appropriate to galvanically isolate components/subsytems?

As the question implies, how do you determine when it is appropriate to galvanically isolate parts of the same electrical system from one another? For example, I'm currently constructing a tube ...
4
votes
3answers
170 views

Digital Isolation comparison

I am currently using ADuM4160 by Analog Devices as a USB isolator. However, this part is EXPENSIVE. I was wondering if anyone thinks it can be replaced with ADuM2200. Any reason why this wouldn't ...
5
votes
1answer
266 views

Isolation for microcontroller that is off

I have a design where power savings is a huge issue and even the lowest power sleep mode of the \$\mu\$C is too much quiescent current (30 \$\mu\$A). I'm aware of many and have used \$\mu\$Cs in the ...