215PCM1795 Block DiagramPCM1795SLES248 –MAY 2009 ........................................................................................................................................................................................................ www.ti.comTable 1. TERMINAL FUNCTIONS (continued)TERMINALNAME NO. I/O DESCRIPTIONSCK 7 I System clock input (2)VCC 1 23 — Analog power supply, 5 VVCC2L 28 — Analog power supply (left channel DACFF), 5 VVCC 2R 15 — Analog power supply (right channel DACFF), 5 VVCOML 22 — Left channel internal bias decoupling pinVCOM R 21 — Right channel internal bias decoupling pinVDD 9 — Digital power supply, 3.3 VZEROL 1 I/O Zero flag for left channel (4)ZEROR 2 I/O Zero flag for right channel (4)8 Submit Documentation Feedback Copyright © 2009, Texas Instruments IncorporatedProduct Folder Link(s): PCM1795FUNCTIONAL BLOCK DIAGRAMPowerSupplyRSTSCKAdvancedSegmentDACModulatorIOUTL+I OUTL-I OUTR-I OUTR+BiasandVREFV COMLVCOMRAGND2V DDV CC1V CC2LV CC2RAGND1I/V andFilterx8OversamplingDigitalFilterandFunctionControlAudioDataInputI/FLRCKBCKDATAMDOMDIMCMSAGND3LAGND3RDGNDCurrentSegmentDACIREFVOUTLI/VandFilterVOUTRFunctionControlI/FMSELZeroDetectZEROLZERORSystemClockManagerCurrentSegmentDACPCM1795SLES248 –MAY 2009 ........................................................................................................................................................................................................ www.ti.com
