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| Powering uC with USB from PC while connecting ground with external supply |
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| BergRD:
Question in regards to the USB Isolator talk.. I've been looking to work on my own and using the ADMU4160 IC but listed on many vendors there are multiple version by name it seems but the spec's all seem the same. I've found: ADUM4160BRWZ-RL ADUM4160BRWZ ADUM4160BRIZ ADUM4160BRIZ-RL I cannot seem to find a datasheet or anything that explains those differences in Part Numbers. Again, based on raw spec they all seem to be the same and the footprints as well. Thanks and sorry if I've interrupted the thread. |
| Nominal Animal:
--- Quote from: BergRD on May 18, 2018, 08:52:08 pm ---I cannot seem to find a datasheet --- End quote --- Here, at Analog Devices website. The two packages (wide-body 16-pin SOIC, ADuM4160BRWZ, and wide body increased creepage 16-pin SOIC, ADuM4160BRIZ) do have the same footprints, but the latter (increased creepage) has a taller body (13mm versus 10.50mm), taking a bit more board space. Note that the reason I like the Olimex isolator is that the external supply is optional, but if used, supplies USB power downstream. Very easy to use. |
| BergRD:
--- Quote from: Nominal Animal on May 18, 2018, 10:58:09 pm --- --- Quote from: BergRD on May 18, 2018, 08:52:08 pm ---I cannot seem to find a datasheet --- End quote --- Here, at Analog Devices website. The two packages (wide-body 16-pin SOIC, ADuM4160BRWZ, and wide body increased creepage 16-pin SOIC, ADuM4160BRIZ) do have the same footprints, but the latter (increased creepage) has a taller body (13mm versus 10.50mm), taking a bit more board space. Note that the reason I like the Olimex isolator is that the external supply is optional, but if used, supplies USB power downstream. Very easy to use. --- End quote --- Awesome and thank you so very much! I was pulling datasheets from Mouser/others and they were all the same for the 'family' itself; not the individuals. I may grab one of the Olimex as well to get something for audio ground loop hum now and build for experience others later. Cheers! |
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