OP290GPZ by Analog Devices Inc.(ADI) Design and production,in Shenzhen PlusLink Electronics Co., Ltd. Spot sales,And can pass Shenzhen PlusLink Electronics Co., Ltd. Purchasing。OP290GPZ Price reference $ 9.090000。OP290GPZ - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information OP290GPZ Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial