OP27AZ by Analog Devices Inc.(ADI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。OP27AZ Price reference $ 46.520000。OP27AZ - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information OP27AZ Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial