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Preface
SLEU057A–September2004–RevisedMay2009
ReadThisFirst
AboutThisManual
Thisdocumentprovidestheinformationneededtosetupandoperatethe
DEM-DSD1796/PCM1795/PCM1796/PCM1798EVMevaluationmodule,atestplatformforthe24-bit,
192-kHz,samplingstereoDSD1796,PCM1795,PCM1796,andPCM1798audiodigital-to-analog
converters(DACs).Foramoredetaileddescriptionofthesedevices,refertothespecificdeviceproduct
datasheetavailablefromtheTexasInstrumentswebsiteathttp://www.ti.com.
HowtoUseThisManual
Throughoutthisdocument,theabbreviationEVMandthetermevaluationmodulearesynonymouswith
theDEM-DSD1796/PCM1795/PCM1796/PCM1798EVM.Unlessspecificallynoted,theinformation
presentedinthismanualappliestotheDSD1796,PCM1795,PCM1796,andPCM1798audiostereo
DACs.
Chapter1describesthehardwaresetupguidefortheEVM,includingthenecessaryinformationrequired
toconfiguretheEVMswitchesandjumpersforproductevaluation.Thischapteralsoexplainshowtouse
thesoftwareprovidedwiththeDEM-DSD1796/PCM1795/PCM1796/PCM1798EVMforcontrollingthe
DAC.
Chapter2includestheEVMelectricalschematics,printedcircuitboard(PCB)layouts,andthebillsof
materialforboththeDEM-DSD1796/PCM1795/PCM1796/PCM1798,theDEM-AS/CDAC,andthe
DEM-DAI/ASDAC.
InformationAboutCautionsandWarnings
Thisdocumentcontainscautionstatements.
CAUTION
Thisisanexampleofacautionstatement.Acautionstatementdescribesa
situationthatcouldpotentiallydamageyoursoftwareorequipment.
Theinformationinacautionorawarningisprovidedforyourprotection.Pleasereadeachcautionand
warningcarefully.
IfYouNeedAssistance
Ifyouhavequestionsregardingeithertheuseofthisevaluationmoduleortheinformationcontainedinthe
accompanyingdocumentation,pleasecontacttheTexasInstrumentsProductInformationCenterat(972)
644–5580orvisittheTIwebsiteatwww.ti.com.
FCCWarning
Thisequipmentisintendedforuseinalaboratorytestenvironmentonly.Itgenerates,uses,andcan
radiateradiofrequencyenergyandhasnotbeentestedforcompliancewiththelimitsofcomputing
devicespursuanttosubpartJofpart15ofFCCrules,whicharedesignedtoprovidereasonable
protectionagainstradiofrequencyinterference.Operationofthisequipmentinotherenvironmentsmay
causeinterferencewithradiocommunications,inwhichcasetheuserathisownexpenseisrequiredto
takewhatevermeasuresmayberequiredtocorrectthisinterference.
Microsoft,WindowsareregisteredtrademarksofMicrosoftCorporation.
I
2
SisatrademarkofNXPSemiconductors.
TOSLINKisatrademarkofToshibaCorporation.
Allothertrademarksarethepropertyoftheirrespectiveowners.
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