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…
We are building a pulse oximeter for our final year project. We found this application note in Analog devices website
But the ICs mentioned have their supply…