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1EVMOverview
1.1Features
1.2Introduction
2AnalogInterface
www.ti.com
EVMOverview
•Full-featuredevaluationboardfortheTLV320AIC12K/14Kaudiocodec
•TLV320AIC12KEVMB-K/14KEVMB-KfeaturesUSBconnectivityforquickandeasysetup.
•Intuitiveevaluationsoftware
•Easyinterfacingtomultipleanalogsources
•AnalogoutputsignalsfromtheTLV320AIC12K/14Kareavailableontopandbottomconnectors.
•On-boardheadphonejack,externalmicrophonejackandelectretmicrophoneareincluded
•Digitalcontrolsignalscanbeapplieddirectlytotopandbottomconnectors.
TheTLV320AIC12KEVMB-K/14KEVMB-Kisacompleteevaluation/demonstrationkit,whichincludesa
USB-basedmotherboardcalledtheUSB-MODEVMInterfaceboardandevaluationsoftwareforusewitha
personalcomputerrunningMicrosoftWindows
®
operatingsystems.Provisionsaremadeforconnectingall
audioinputsandoutputseitherfromthemodularconnectorsorwithon-boardterminals,aheadphone
jack,andexternalmicrophonejack.Anon-boardelectretmicrophoneisalsoprovided.
Formaximumflexibility,theTLV320AIC12KEVMB/14KEVMBisdesignedforeasyinterfacingtomultiple
analogsources.SamtecpartnumbersSSW-110-22-F-D-VS-KandTSM-110-01-T-DV-Pprovidea
convenient10-pindualrowheader/socketcombinationatJ1andJ2.Theseheaders/socketsprovide
accesstotheanaloginputandoutputpinsofthedevice.ConsultSamtecatwww.samtec.comorcall
1-800-SAMTEC-9foravarietyofmatingconnectoroptions.Table1summarizestheanaloginterface
pinoutfortheTLV320AIC12KEVMB/14KEVMB.
Table1.AnalogInterfacePinout
PINNUMBERSIGNALDESCRIPTION
J1.1OUTM1InvertingoutputoftheDAC
J1.2OUTP1NoninvertingoutputoftheDAC
J1.3OUTMVProgrammablevirtualgroundfortheoutputofOUTP2andOUTP3
J1.4OUTP2Analogoutputnumber2fromthe16-Ωdriver
J1.5OUTMVProgrammablevirtualgroundfortheoutputofOUTP2andOUTP3
J1.6OUTMVProgrammablevirtualgroundfortheoutputofOUTP2andOUTP3
J1.7OUTMVProgrammablevirtualgroundfortheoutputofOUTP2andOUTP3
J1.8OUTP2Analogoutputnumber3fromthe16-Ωdriver
J1.9AGNDAnalogGround
J1.10NCNotConnected
J1.11AGNDAnalogGround
J1.12NCNotConnected
J1.13AGNDAnalogGround
J1.14NCNotConnected
J1.15NCNotConnected
J1.16NCNotConnected
J1.17AGNDAnalogGround
J1.18NCNotConnected
J1.19AGNDAnalogGround
J1.20NCNotConnected
J2.1INM2Invertinganaloginput2
SLAU229B–October2007–RevisedAugust2008TLV320AIC12KEVMB-KandTLV320AIC14KEVMB-KUser'sGuide3
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