TPA2012D2RTJR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。TPA2012D2RTJR Price reference $ 0.688500。TPA2012D2RTJR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPA2012D2RTJR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial