I have a question about AD9249.
AD9249 has Internal Vref.
Please send me AD9249 Internal Vref Histogram.
Can information on this case be disclosed?
Why do you want to know this information? The reference voltage is fully spec'ed over the full
temperature range, 0.98V to 1.01V. This is guaranteed. If you have a histogram, will you
take the middle 70% and design with it? Let's say you pick 0.99V to 1.05V and go into production.
And the distribution on one lot is a little low and 10% of the parts your get are 0.985V? You
cannot return them; they meet our data sheet spec. Designing to a histogram and not the min
and max numbers in the spec table is a poor design practice for high volume manufacture.
If you need a tighter reference, contact your local ADI sales engineer and provide your own
spec of what you want, and if the volume is sufficient, it will be quoted.
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