I'd assume it's not providing power on the USB device side, and the power input on the isolator is only there to drive the isolator itself when USB host power is not sufficient (the isolator requires 320 mA). Not a problem with the ADI-2 DAC, though.
The Intona devices do provide power on the device side using linear regulators.
EDIT:
Nevermind, I just found this thread:
https://www.eevblog.com/forum/beginners/129322-help-with-crappy-usb-isolator/
I'm going to cancel the order. I guess the Intona devices are really the only proper solutions on the market.
The Intona devices do provide power on the device side using linear regulators.
EDIT:
Nevermind, I just found this thread:
https://www.eevblog.com/forum/beginners/129322-help-with-crappy-usb-isolator/
I'm going to cancel the order. I guess the Intona devices are really the only proper solutions on the market.
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