Comments on OPA2211 datasheet error
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OPA2211 datasheet error
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Looking at Texas Instruments opamp OPA2211it mentions GBW of 80MHz at a gain of 100, and 45MHz at gain of 1:
Looking at the bandwidth graph from Figure 10 in datasheet:
It looks like 80MHz is unity gain bandwidth, and at a gain of 100 the bandwidth is around 800kHz as would be expected. I could not find any errata or other posts on forums about this. Is this just a datasheet mistake?
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It was clarified with Texas Instruments, and what they claim is that 80MHz is applicable bandwidth for A>=2, and 45MHz is applicable for unity gain:
I have not yet seen a definition like this, is this considered common practice?
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