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描述
tlv320aic20,tlv320aic21
tlv320aic24,tlv320aic25
tlv320aic20k,tlv320aic24k
SLAS363D–MARCH2002–REVISEDAPRIL2005
thesedeviceshavelimitedbuilt-inesdprotection.theleadsshouldbeshortedtogetherorthedevice
placedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetothemosgates.
thetlv320aic2xisalow-费用,低-电源,高级地-整体的,高-效能,dual-voicecodec.itfeatures
two16-bitanalog-至-数字的(一个/d)channelsandtwo16-bitdigital-至-相似物(d/一个)途径,whichcanbe
connectedtoahandset,headset,扬声器,microphone,orasubscriberlineviaaprogrammableanalog
crosspoint.
thetlv320aic2xprovideshighresolutionsignalconversionfromdigital-至-相似物(d/一个)andfrom
相似物-至-数字的(一个/d)usingoversamplingsigma-deltatechnologywithprogrammablesamplingrate.
thetlv320aic2ximplementsthesmarttimedivisionmultiplexedserialport(smartdm™).thesmartdm
portisasynchronous4-wireserialportintdmformatforglue-freeinterfacetotidsps(i.e.,tms320c5000
®
,
TMS320C6000
®
dspplatforms)andmicrocontrollers.thesmartdm™supportsbothcontinuousdatatransfer
modeandon-这-flyreconfigurationprogrammingmode.thetlv320aic2xcanbegluelesslycascadedtoany
smartdm-baseddevicetoformamultichannelcodec,anduptoeighttlv320aic2xcodecscanbecascaded
toasingleserialport.
thetlv320aic2xprovidesaflexiblehostport.thehostportinterfaceisatwo-wireserialinterfacethatcanbe
programmedtobeeitheranindustrialstandardI
2
CorasimpleS
2
c(开始-stopcommunicationprotocol).
thetlv320aic2xintegratesallofthecriticalfunctionsneededformostvoice-bandapplicationsincludingmic
前置放大器,handsetamplifierheadsetamplifier,8-
Ω
speakerdriver,sidetonecontrol,antialiasingfilter(aaf),
输入/outputprogrammablegainamplifier(pga),andselectablelow-passiir/firfilters.
thetlv320aic2ximplementsanextensivepowermanagement;includingdevicepower-向下,独立
softwarecontrolforturningoffadc,dac,运算的-放大器,andiir/firfilter(bypassable)tomaximize
systempowerconservation.thetlv320aic2xconsumesonly14.9mwperchannelat3v.
thetlv320aic2xlowpoweroperationfrom2.7-vto3.6-vpowersuppliesalongwithextensivepower
managementmakeitidealforportableapplicationsincludingwirelessaccessories,hands-freecarkits,voip,
cablemodem,andspeechprocessing.itslowgroupdelaycharacteristicmakesitsuitableforsingleor
multichannelactivecontrolapplications.
thetlv320aic2xischaracterizedforcommercialoperationfrom0°cto70°c,andindustrialoperationfrom
-40°cto85°c.thetlv320aic2xkischaracterizedforindustrialoperationfrom-40°cto85°c.
ORDERINGINFORMATION
T
一个
48-tqfppfbpackage
(1)
0°Cto70°CTLV320AIC2xC
-40°cto85°ctlv320aic2xi
(1)forthemostcurrentpackageandorderinginformation,seethepackageoptionaddendumatthe
endofthisdocument,orseethetiwebsiteatwww.德州仪器.com.
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