AD8054AR 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。AD8054AR Price reference $ 8.200000。AD8054AR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information AD8054AR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial