PCM1690DCA by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。PCM1690DCA Price reference $ 6.100000。PCM1690DCA - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information PCM1690DCA Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial