TDA7562B by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TDA7562B Price reference $ 5.695010。TDA7562B - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TDA7562B Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial