Texas Instruments PCM1795, PCM1796, PCM1798, DEM-DSD1796 manual Description

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Chapter 1

SLEU057A–September 2004–Revised May 2009

Description

The DEM-DSD1796/PCM1795/PCM1796/PCM1798 is an evaluation fixture for the DSD1796/PCM1795/ PCM1796/PCM1798 series of 24-bit, 192-kHz sampling stereo DACs. This EVM provides all necessary connectors and circuitry for interfacing to audio test systems and commercial audio equipment.

Topic		Page
1.1	Functional Block Diagram	8
1.2	EVM Features	8
1.3	System Requirements	9
1.4	Electrostatic Discharge Warning	9
1.5	Function Control for DAI Interface Format	9
1.6	Reset Operation	9
1.7	SW006 Operation Control for DAC	10
1.8	Jumper Connection	10
1.9	Demonstration Software	10

SLEU057A–September 2004–Revised May 2009	Description	7
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Contents Users Guide Submit Documentation Feedback Contents List of Figures If You Need Assistance FCC Warning About This Manual How to Use This ManualRead This First Information About Cautions and WarningsTrademarks Description EVM Features Functional Block DiagramFunction Control for DAI Interface Format Reset OperationSystem Requirements Electrostatic Discharge WarningJumper Connection SW006 Operation Control for DACDemonstration Software Schematics, PCB Layout, and Bill of Materials DEM-DAI/ASDAC Silkscreen DEM-DAI/ASDAC Printed Circuit Board LayoutDEM-DAI/ASDAC Top View DEM-DAI/ASDAC Bottom View 4through -6illustrate the PCB layout for the DEM-AS/CDAC DEM-AS/CDAC Printed Circuit Board LayoutDEM-AS/CDAC Bottom View DEM-DAI/ASDAC Connector and Regulator DEM-DAI/ASDAC SchematicsDEM-DAI/ASDAC Digital Section Digital Audio Interface 10shows the schematic for the sections of the DEM-AS/CDAC DEM-AS/CDAC SchematicsComponent Lists DEM-AS/CDAC96/98 Parts ListComponent Lists Revision History Evaluation BOARD/KIT Important Notice Important Notice