TL072IDR by Texas Instruments Design and production,in Shenzhen Jungu Technology Electronics Co., Ltd. Spot sales,And can pass Shenzhen Jungu Technology Electronics Co., Ltd. Purchasing。TL072IDR Price reference $ 0.324800。TL072IDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TL072IDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial