OPA237UA brand manufacturers: National Semiconductor, Twicea stock, OPA237UA reference price.National Semiconductor. OPA237UA parameters, OPA237UA Datasheet PDF and pin diagram description download.You can use the OPA237UA Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps, DSP Datesheet PDF, find OPA237UA pin diagram and circuit diagram and usage method of function,OPA237UA electronics tutorials.You can download from the Twicea.