常用芯片资料——82v731

^F^HOLTEK H182V731Audio D/A ConverterPrelim inaryFeatures•CMOS technology16-bit dynamic range•Low powerconsu mptionLow totalharmonic distortion5•Two voltageoutput channelin thesame chipvoltage singlepower supply8-pinSOP packageApplications•Digital audioequipment•CD ROM/VCD MPEGcardGeneral DescriptionHT82V731is a16-bit digital-tcranalog converterICutilizing CMOStechnology speciallydesigned forU singan R-string voltagedivider,this floatingstereoaudio application.point expressiondata isthen convertedto analogvoltage.H T82V731converts the16bits serialdata intoananalog outputvoltage.The digitaldata isinternally Itiscompatiblewith TDA

1311.Itis availablein8-pinconverted tofloating pointexpression whoseformat SOPpackage.consists of10bits mantissaand7step exponentBlockDiagramR CHB cwDiL CIIV DVSPin Assignme ntcHccHD D731urPin DescriptionPinNo.Pin NameI/O Descri ption1BCK IBit serialclock input2WS IW ordselect input3DIN IData inputvss4为Negative powersupply5VDD%Positive powersupply6LCH0Left channeloutput7NC%No connection8RCH0Right channeloutputElectrical CharacteristicsCTa=2ffTest ConditionsSymbolPara meterMin.T yp.Max.UnitVDD ConditionsVo Maxi mum OutputA mplitude5V

2.5%Vpp%%THD TotalHarmonic Distortion5V1kHz,OdB%

0.12%%DR Dynamic Range5V为%16%BitS/N Signalto NoiseRatio5V1kHz,OdB%82%dBCT CrossTai k5V1kHz,OdB%力%dBTi mingDiagrams//thtfD TX S/U$13M S B-1L SB LSB，B jwvwwrwwwwwwwwiApplicationCircuitsSam pieOuti vo_WVVD IO00“工历DATA一L CVS SJ-l11622-2H oltekSemiconductor Inc.HeadquartersNo.3Creation Rd.IT,Science-based IndustrialPark,Hsinchu,Tai wan,R.

0.C.Tel:886-3-563-1999Fax:886-3-563-1189H oltekSemiconductor Inc.Taipei Office5F,No.576,Sec.7Chung HsiaoE.Rd.,Taipei,Taiwan,R.

0.C.Tel:886-2-2782-9635Fax:886-2-2782-9636Fax:886-2-2782-7128International saleshotlineH oltekSe miconductorHong KongLtd.R M.711,Tower2,Cheung ShaWan Plaza,833Cheung ShaWan Rd.,Kowloon,Hong KongTel:852-2-745-8288Fax:852-2-742-8657Copyright02000by HOLTEKSE MICONDUCTORINC.The informationappearing inthis DataSheet isbelieved tobe accurateat theti meof publication.However,Holtek assumes noresponsibilityarising from theuse ofthe specificationsdescribed.The applicationsmentioned hereinare usedsolely forthepurpose ofillustration andHoltek makesno warrantyor representationthat suchapplications willbe suitablew ithoutfurthermodification,nor rccommends theuse ofits productsfor applicationthat maypresent arisk tohum anlifedue tomalfunction orotherwise.Holtek reservesthe rightto alterits productswithout priornotification.For themost up-to-date information,pleasevisit ourweb siteat http:/7www.holtek.com.tw.。