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What's the difference between G and G2 in operational amplifiers?

Latest Updated:12/01/2011

Question:

What is the difference between SOP packages  of operational amplifiers with the symbols G and G2?

Answer:

The dimensions are different.
The dimensions of this package were changed in 1983 to comply with JEITA (Japan Electronics and Information Technology Industries Association; previously EIAJ) standards, so the package symbol was changed from G to G2 for differentiation purposes. Note that all packages manufactured after April 1984 are G2 packages.
The respective dimensions are shown below.



Note also that this G, G2 distinction only applies to operational amplifiers and comparators.
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