CA3280 Datasheet, CA3280 PDF, CA3280 Data sheet, CA3280 manual, CA3280 pdf, CA3280, datenblatt, Electronics CA3280, alldatasheet, free, datasheet, Datasheets, data ... Aug 23, 2004 · Don't forget the mighty CA3280, better noise specs than the 3080 by far. And the LM13600 is one to keep in mind, though very little difference from the 13700. I've seen a lot of synth builders working on discrete OTA circuits, and I think this would be really useful for pedal building.

CA3280 Dual, 9MHz, Operational Transconductance Amplifier (OTA) . The CA3280 and CA3280A types consist of two variable operational amplifiers that are designed to substantially reduce the initial input offset voltage and the offset voltage variation with respect to changes in programming current.