mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 1/7 www.mosanalog.com 16-bits stereo audio dac, current output, low power consumption, low voltage, features ? operationrange:2.7v~6.5v. ? lowpowerconsumption ? lowdistortion. ? nozerocrossingdistortion. ? widedynamicrange(16bitresolution). ? currentoutput ? spacesavingpackagesop8. ? fastsettingtimepermits2*,4*,and8* oversampling(serialinput)ordoublespeedoperatio nat4* oversampling. ? outputandbiascurrentareproportionaltosupply voltage ? internaltimingandcontrolcircuits ? internalbiascurrentensuresmaximumdynamicrange applications ? dvd,multimediasystem. description theMS6610isa16bitcurrentoutputdigitaltoan alogconverter(dac).theMS6610isfabricatedina 0.8 m cmosprocessandfeaturesextremelylowpower dissipation,smallpackagesizeandeaseofapplic ation.theaccuracy ofthematchedcoarsecurrentsources,combinedwit htheuniquesymmetricaldecodingmethod,preclude zero crossingdistortionandensureshighqualityaudio reproduction.theseuniquefeatures,combinedwith itsexceptional performance,maketheMS6610ideallysuitedforuse indigitalaudioequipment.MS6610ispinandfunc tion compatiblewiththephilips,tda1545. pinning symbol pin description bck 1 bitclockinput ws 2 wordselectinput data 3 datainput gnd 4 ground v dd 5 positivesupplyvoltage i ol 6 leftchanneloutput v ref 7 referencevoltageoutput i or 8 rightchanneloutput 7 6 5 8 2 3 4 1 MS6610 i or i ref i ol v dd bck ws data gnd
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 2/7 www.mosanalog.com block diagram leftoutputlatch leftbitswitches 11bitpassive divider 32(5bit)matched current sources iref rightoutputlatch rightbitswitches 32(5bit)matched current source 11bitpassive divider iref leftinputlatch rightinputlatch control & timing vrefvref reference source i bl iref i br i bl i br - + - + 12 3 bckws data 68 v out left v out right 5 v dd 4 op1op2 i ol i or 1nf c2 3.9k r2 1nf c1 3.9k r1 ground c3 100nf 7 rref11k r4 33k r3 22k + c4 1uf vref fig.1 block diagram. ordering information package part number packaging marking transport media 8pinsop(leadfree) MS6610bsgtr MS6610bsg 2.5kun itstapeandreel 8pinsop(leadfree) MS6610bsgu MS6610bsg 100unit stube rohscompliance limiting values symbol parameter min max unit v dd positivesupplyvoltage 6.5 v tsig storagetemperaturerange 55 +150 t xtal maximumcrystaltemperature +150 t amb operatingambienttemperaturerange 40 +85 ves electrostatichandling 2000 2000 v
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 3/7 www.mosanalog.com 5v electrical characteristics (ta=25 ,v dd =5v,f=1khz,cap=1uf;unlessotherwisespecified) sym parameter conditions min typ max unit dc characteristics v dd positivesupplyvoltage 2.7 5 6.5 v i q quiescentcurrent atcode0000h 5.8 ma i dd operatingcurrent i o =i fs 6.1 ma rref referenceresistor(fig.1) 7.4 11.0 14.6 k pssr powerripplerejectionratio cap=1uf,f=100hz vripple=20dbv 36 db cs channelseparation f=1khz 86 db ac characteristics res resolution 16 bits i fs fullscaleoutputcurrent i fs =0.2v dd 0.9 1.0 1.1 ma ptot totalpowerdissipation atcode0000h 29 mw i bias biascurrent(adjustable) 643 714 785 a 67 62 db thd+n total harmonic distortion plus noise f=1khz 0.0447 0.0794 s/n signaltonoiseratio aweighted 90 db
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 4/7 www.mosanalog.com typical performance characteristics (ta=25 ,f=1khz,samplingrate=4fs;unlessotherwisespeci fied) quiescent current (ma) supply voltage (v) operation current (ma) supply voltage (v) channel separation (db) supply voltage (v) quiescent current vs. supply voltage operation current vs. supply voltage channel separation vs. supply voltage (thd+n)/s (db) frequency (hz) (thd+n)/s (db) supply voltage (v) psrr (db) frequency (hz) (thd+n)/s vs. frequency (thd+n)/s vs. supply voltage psrr vs. frequency output current (ma) supply voltage (v) output current diff (ua) supply voltage (v) output current vs. supply voltage output current diff vs. supply voltage v dd =5v r f =3.9k v dd =5v, cap=1uf v rr =-20dbv v dd =5v r f =3.9k code=0000h io=i fs
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 5/7 www.mosanalog.com timing and data format the MS6610 accepts input serial data formats of 16 bit word length. left and right data words are time multiplexed.themsb(bit1)mustalwaysbefirst.t heformatofdatainputisshowninfigs.2and3. withalow levelonthewordselectinput(ws)inputdataispl acedintherightinputregisterandwithhighleve lonthewsinput dataisplacedintheleftregister.thedatainth einputregistersaresimultaneouslylatchedinthe outputregisterswhich controlthebitswitches.internalbiascurrentsib landibrareeachaddedtothefullscaleoutputc urrentifsinorder toachievethemaximumdynamicrangeattheoutputs ofop1andop2(fig.1).thereferenceoutputvolta gevref(fig. 1)is2/3vdd.inthiswaythemaximumdynamicrang eisachievedovertheentirepowersupplyrange. right ws bck data lsb msb t r t hb t f t cr t lb t hw t sw left t sd t hd fig.2 timing and input signals. 0 1 2 15 14 13 2 1 0 msb lsb 15 14 13 2 1 0 msb lsb right left ws bck data fig.3rightjustifiedformat digital inputs (ws, bck, data) sym parameter conditions min typ max unit v il inputlowttllevel ms6323t 0.8 v v ih inputhighttllevel ms6323t 2 v f bck inputclockfrequency 18.4 mhz br bitratedatainput(pin3) 18.4 mbits/s f ws wordselectinput(pin2) 384 khz t r risetime 12 ns t f falltime 12 ns t c r bitclockcycletime 54 ns t hb bitclockhightime 15 ns t lb bitclocklowtime 15 ns t sd datasetuptime 12 ns t hd dataholdtimetobitclock 2 ns t hw wordselectholdtime 2 ns
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 6/7 www.mosanalog.com application information ms2100 1 23 v ref 3.9k 7 56 10k v oa 84 100uf 100uf v dd 1nf bck 33k 8 3.9k v ob 10k 100uf 1nf 6 7 12 3 ws data MS6610 54 22k 1uf 0.1uf 10uf fig.3 example of application with MS6610 (audio da c)
mo sa MS6610 16-bit current-output digital-to-analog converter rev 4 7/7 www.mosanalog.com external dimensions 1.27 0.42 6.0 3.9 4.8 1.4 0.22 1.27 0.42 0.23 0.68 1 4 5 8 tape and reel (unit:mm) 3.0 3.6 12.0 6.9 8.0 5.5 1.75 5.4 2.0 4.0 1.5+0.1/-0.0 dia 0.5 radius typical 1.5 min 0.30 0.3r max 1.7 2.0 0.05 0.05 0.05 0.3 unit:mm toler ance:0.1mm
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