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10th July 2004, 08:39 AM
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#1 |
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diyAudio Member
Join Date: Jul 2003
Location: SW London
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general chip questions
Could someone explain how it is that different companies make versions of the same chip? How come a company doesn't own a particular design outright?
Also what is meant by the letter suffixes on some chips, eg: opa637AU and opa637AP, etc? |
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10th July 2004, 09:35 AM
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#2 |
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Electrons are yellow and more is better!
diyAudio Member
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Second source means that the original design is licensed out _but_ this doens't mean that the product will become 100% alike. Usually something differs. => You must read the datasheet from the manufacturer.
These letter after the type number means package, temperature range, parameters etc. You have to read the datasheet for the IC in mind. You have all info there.
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