You could take a look at the AD8669 or the AD8659. The AD8669 is more similar to the OP497, so i would check that out first. The package you are looking for is the 14-lead SOIC-N.
Please let me know if these amplifiers will cater to the needs…
Ok. I have decided to get away from the loop powered DAC (AD421) so i can utilize dual power supplies. Attached is my proposed circuit. Can you all critique (especially the change to the low pass filter as well as a suggestion for the values of the 3…
A couple of reasons.
-- The die may be to big to fit in a smaller package
-- For precision, the sections may interfere with each other. See the article(s):