Sp3232+vs+max3232+exclusive Guide
You need a tried-and-true industry standard with high availability and slightly higher output drive levels at 3.3V/5V. If you'd like, I can help you:
This application note from Maxim Integrated provides a comparison between their MAX3232 and the SP3232 from Exar Corporation. The note discusses the differences in features, performance, and reliability between the two devices. sp3232+vs+max3232+exclusive
Stick with the if: