''nano'' vs ''pico'' vs ''femto'' accelerometers?

[Rob Day]

Posted on April 13, 2017 at 13:39

Totally new to ST accelerometers, I can see that they're grouped into what look like three 'families' -- nano, pico and femto. Is there a short explanation of the differences between those three families? A link to a page explaining that would be just ducky, thanks.

rday

[Miroslav BATEK]

Posted on April 18, 2017 at 10:03

I think, these are more marketing terms.

I would rather use following matrix instead.

Product selector can be find also

http://www.st.com/en/mems-and-sensors/accelerometers.html?querycriteria=productId=SC444

.

[Rob Day]

Posted on April 19, 2017 at 13:10

If they're just marketing terms, then it's a bit confusing for the product summary sheet to seem to emphasize that categorization so prominently. If I look at, say, the page for the LIS2DW12, 

http://www.st.com/content/st_com/en/products/mems-and-sensors/accelerometers/lis2dw12.html

 , I am told in the first few lines that this item is a member of the 'femto' family. But without a definition of what that means, then telling me that information is useless and even confusing, since the first thing I thought of when I read that is, 'What does 'femto' mean? Am I supposed to already understand that? Is there a glossary that explains it? Is 'femto' better than 'pico'?'

Unless there's a page that explains the difference between those families, there's absolutely no marketing value in mentioning it.