OPA129UB by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。OPA129UB Price reference $ 13.170000。OPA129UB - 。You can download OPA129UB Chinese information、Pin map、DatasheetData sheet function specification,In the information OPA129UB Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial