OPA690IDR by TI Design and production,in CHUNG ZE Internation Technology Limited Spot sales,And can pass CHUNG ZE Internation Technology Limited Purchasing。OPA690IDR Price reference $ 1.120000。OPA690IDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information OPA690IDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial