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Old 20th May 2007, 07:41 PM   #1
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Default AD8620 pinout ?


I cannot fond pinout on my AD8620s ( they are 100% garanted to be originals). I need to know where are pins N°1 & N°4.
would somebody give a hand ?

Thanks !
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Old 20th May 2007, 07:56 PM   #2
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Old 20th May 2007, 07:58 PM   #3
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Old 20th May 2007, 08:11 PM   #4
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Default Re: AD8620 pinout ?

Originally posted by deuginthesky

I cannot fond pinout on my AD8620s ( they are 100% garanted to be originals). I need to know where are pins N°1 & N°4.
would somebody give a hand ?
Pin 1 is always marked but a good rule is if the text is readable, pin 1 is at the left, bottom row. If you are in doubt, consult the datasheet, page 22
/Per-Anders (my first name) or P-A as my friends call me
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Old 20th May 2007, 08:29 PM   #5
giulio is offline giulio  United Kingdom
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Peranders gave you a good clue about using the text orientation.

The AD datasheet is of no use since it refers to a version in which a dot on the top of the IC denotes pin 1. Some samples I got from AD (shipped from the Philippines) are marked differently. I had the same problem with AD8610.

After half hour of googling I found the answer on headwize. If you look at the spine of the IC (edge between top and sides) you will see a very small marking (a rectangular depression) marking pin 1.

Hope it helps
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