CAT5116. Log taper, 100 tap Digital Potentiometer (POT)

Transcription

1 og tapr, 1 tap igital Potntiomtr (POT) sription Th CT5116 is a log-tapr singl digital POT dsignd as an ltroni rplamnt for mhanial potntiomtrs. Idal for automatd adjustmnts on high volum prodution lins, ICs ar wll suitd for appliations whr quipmnt rquiring priodi adjustmnt is ithr diffiult to ass or loatd in a hazardous or rmot nvironmnt. Th CT5116 ontains a 1-tap sris rsistor array onntd twn two trminals and. n up/down ountr and dodr that ar ontrolld y thr input pins, dtrmins whih tap is onntd to th wipr,. Th wipr stting, stord in nonvolatil mmory, is not lost whn th dvi is powrd down and is automatially rinstatd whn powr is rturnd. Th wipr an adjustd to tst nw systm valus without ffting th stord stting. Wipr-ontrol of th CT5116 is aomplishd with thr input ontrol pins,, U/, and. Th input inrmnts th wipr in th dirtion whih is dtrmind y th logi stat of th U/ input. Th input is usd to slt th dvi and also stor th wipr position prior to powr down. Th digital POT an usd as a thr-trminal rsistiv dividr or as a two-trminal varial rsistor. Faturs 1-position, og-tapr Potntiomtr Non-volatil PROM Wipr Storag 1 n Ultra-low Standy Currnt Singl-supply Opration: 2.5 V 5.5 V Inrmnt Up/own Srial Intrfa Rsistan Valu: 32 k vailal in 8-pin MSOP, TSSOP, SOIC and IP Pakags Ths vis ar P-Fr, Halogn Fr/BFR Fr and ar RoHS Compliant ppliations utomatd Produt Caliration Rmot Control djustmnts Offst, Gain and Zro Control udio Volum Control Snsor djustmnt Motor Controls and Fdak Systms Programmal nalog Funtions V CC U/ SOIC 8 V SUFFIX 751B PIP 8 SUFFIX 646 Pin Nam U/ GN V CC PIN CONFIGURTIONS U/ GN 1 1 MSOP 8 Z SUFFIX 846 TSSOP 8 Y SUFFIX 948 PIP (), SOIC (V), MSOP (Z) TSSOP (Y) (Top Viws) PIN FUNCTION Inrmnt Control Up/own Control GN Potntiomtr High Trminal Ground Funtion Buffrd Wipr Trminal Potntiomtr ow Trminal Chip Slt Supply Voltag V CC B ORRING INFORMTION S dtaild ordring and shipping information in th pakag dimnsions stion on pag 7 of this data sht. Smiondutor Componnts Industris, C, 213 Jun, 213 Rv Puliation Ordr Numr: CT5116/

2 Funtional iagram V CC V CC 165 U/ Control and Mmory Powr On Rall U/ Intrfa & Wipr Control PROM Potntiomtr R = 32 k OG TPR R TOT = 32 k 11 GN GN 1.4 Figur 1. Gnral Figur 2. Blok iagram Figur 3. Potntiomtr Shmati Pin sription : Inrmnt Control Input Th input movs th wipr in th up or down dirtion dtrmind y th ondition of th U/ input. U/: Up/own Control Input Th U/ input ontrols th dirtion of th wipr movmnt. Whn in a high stat and is low, any high-to-low transition on will aus th wipr to mov on inrmnt toward th trminal. Whn in a low stat and is low, any high-to-low transition on will aus th wipr to mov on inrmnt towards th trminal. : High nd Potntiomtr Trminal is th high nd trminal of th potntiomtr. It is not rquird that this trminal onntd to a potntial gratr than th trminal. Voltag applid to th trminal annot xd th supply voltag, V CC or go low ground, GN. : Wipr Potntiomtr Trminal is th wipr trminal of th potntiomtr. Its position on th rsistor array is ontrolld y th ontrol inputs,, U/ and. Voltag applid to th trminal annot xd th supply voltag, V CC or go low ground, GN. : ow nd Potntiomtr Trminal is th low nd trminal of th potntiomtr. It is not rquird that this trminal onntd to a potntial lss than th trminal. Voltag applid to th trminal annot xd th supply voltag, V CC or go low ground, GN. and ar ltrially intrhangal. : Chip Slt Th hip slt input is usd to ativat th ontrol input of th CT5116 and is ativ low. Whn in a high stat, ativity on th and U/ inputs will not afft or hang th position of th wipr. vi Opration Th CT5116 oprats lik a digitally ontrolld potntiomtr with and quivalnt to th high and low trminals and quivalnt to th mhanial potntiomtr s wipr. Thr ar 1 tap positions inluding th rsistor nd points, and. Thr ar 99 rsistor lmnts onntd in sris twn th and trminals. Th wipr trminal is onntd to on of th 1 taps and ontrolld y thr inputs,, U/ and. Ths inputs ontrol a svn-it up/down ountr whos output is dodd to slt th wipr position. Th sltd wipr position an stord in nonvolatil mmory using th and inputs. With st OW th CT5116 is sltd and will rspond to th U/ and inputs. HIGH to OW transitions on will inrmnt or drmnt th wipr (dpnding on th stat of th U/ input and svn-it ountr). Th wipr, whn at ithr fixd trminal, ats lik its mhanial quivalnt and dos not mov yond th last position. Th valu of th ountr is stord in nonvolatil mmory whnvr transitions HIGH whil th input is also HIGH. Whn th CT5116 is powrd-down, th last stord wipr ountr position is maintaind in th nonvolatil mmory. Whn powr is rstord, th ontnts of th mmory ar ralld and th ountr is st to th valu stord. With st low, th CT5116 may dsltd and powrd down without storing th urrnt wipr position in nonvolatil mmory. This allows th systm to always powr up to a prst valu stord in nonvolatil mmory. 2

3 Tal 1. OPRTION MOS U/ Opration High to ow ow High Wipr toward H High to ow ow ow Wipr toward High ow to High X Stor Wipr Position ow ow to High X No Stor, Rturn to Standy X High X Standy C H I C W C Figur 4. Potntiomtr quivalnt Ciruit Tal 2. BSOUT MXIMUM RTINGS Paramtrs Ratings Units Supply Voltag V CC to GN.5 to +7 V Inputs to GN.5 to V CC +.5 V to GN.5 to V CC +.5 V U/ to GN.5 to V CC +.5 V to GN.5 to V CC +.5 V to GN.5 to V CC +.5 V to GN.5 to V CC +.5 V Oprating mint Tmpratur Industrial ( I suffix) 4 to +85 C Juntion Tmpratur (1 s) +15 C Storag Tmpratur +15 C ad Soldring (1 s max) +3 C Strsss xding Maximum Ratings may damag th dvi. Maximum Ratings ar strss ratings only. Funtional opration aov th Rommndd Oprating Conditions is not implid. xtndd xposur to strsss aov th Rommndd Oprating Conditions may afft dvi rliaility. Tal 3. RIBIITY CHRCTRISTI Symol Paramtr Tst Mthod Min Typ Max Units V ZP (Not 1) S Susptiility MI ST 883, Tst Mthod V I TH (Nots 1, 2) ath-up JC Standard 17 1 m T R ata Rtntion MI ST 883, Tst Mthod 18 1 Yars N N nduran MI ST 883, Tst Mthod 13 1,, Stors 1. This paramtr is tstd initially and aftr a dsign or pross hang that affts th paramtr. 2. ath-up prottion is providd for strsss up to 1 m on addrss and data pins from 1 V to V CC + 1 V. 3

4 Tal 4. C CTRIC CHRCTRISTI (V CC = +2.5 V to +5.5 V unlss othrwis spifid) Symol Paramtr Conditions Min Typ Max Units POWR SUPPY V CC Oprating Voltag Rang V I CC1 (Not 5) Supply Currnt (Inrmnt) V CC = 5.5 V, f = 1 MHz, I W = 1 V CC = 5.5 V, f = 25 khz, I W = 5 I CC2 Supply Currnt (Writ) Programming, V CC = 5.5 V 1 m I SB1 Supply Currnt (Standy) = V CC.3 V U/, = V CC.3 V or GN V CC = 3 V OGIC INPUTS I IH Input akag Currnt V IN = V CC 1 I I Input akag Currnt V IN = V 1 V IH1 TT High vl Input Voltag 4.5 V V CC 5.5 V 2 V CC V V I1 TT ow vl Input Voltag.8 V V IH2 CMOS High vl Input Voltag 2.5 V V CC 5.5 V V CC x.7 V CC +.3 V V I2 CMOS ow vl Input Voltag.3 V CC x.2 V POTNTIOMTR PRMTRS R POT Potntiomtr Rsistan 32 k R TO Pot. Rsistan Tolran 2 % V RH Voltag on pin V CC V V R Voltag on pin V CC V R V (Not 6) Rlativ Variation.5 I Wipr Rsistan V CC = 5 V, I W = 1 m 2 4 V CC = 2.5 V, I W = 1 m 4 1 I W Wipr Currnt 1 m TC RPOT TC of Pot Rsistan 3 ppm/ C TC RTIO Ratiomtri TC 2 ppm/ C V N Nois 1 khz / 1 khz 8/24 nv/ Hz C H /C /C W Potntiomtr Capaitans 8/8/25 pf f Frquny Rspons Passiv ttnuator, 1 k 1.7 MHz 3. ath-up prottion is providd for strsss up to 1 m on addrss and data pins from 1 V to V CC + 1 V. 4. This paramtr is tstd initially and aftr a dsign or pross hang that affts th paramtr. 5. I W = sour or sink. 6. Rlativ variation is a masur of th rror in stp siz twn taps = log (V W(N) ) log(v W(N 1) ) =

5 Tal 5. C TST CONITIONS V CC Rang Input Puls vls Input Ris and Fall Tims Input Rfrn vls 2.5 V V CC 5.5 V.2 V CC to.7 V CC 1 ns.5 V CC Tal 6. C OPRTING CHRCTRISTI (V CC = +2.5 V to +5.5 V, V H = V CC, V = V, unlss othrwis spifid) Symol Paramtr Min Typ (Not 7) Max Units t CI to Stup 1 ns t I U/ to Stup 5 ns t I U/ to Hold 1 ns t I OW Priod 25 ns t IH HIGH Priod 25 ns t IC Inativ to Inativ 1 s t CPH1 slt Tim (NO STOR) 1 ns t CPH2 slt Tim (STOR) 1 ms t IW to V OUT Chang 1 5 s t CYC Cyl Tim 1 s t R, t F (Not 8) Input Ris and Fall Tim 5 s t PU (Not 8) Powr-up to Wipr Stal 1 ms t WR Stor Cyl 5 1 ms 7. Typial valus ar for T = 25 C and nominal supply voltag. 8. This paramtr is priodially sampld and not 1% tstd. 9. MI in th.c. Timing diagram rfrs to th minimum inrmntal hang in th W output du to a hang in th wipr position. t CI t I t CYC t IH t IC (stor) t CPH 9% 9% 1% U/ t I t I t F t R t IW MI (3) Figur 5..C. Timing 5

6 TYPIC CHRCTRISTI (V CC = 5 V, T MB = 25 C, unlss othrwis spifid) TOT RSISTNC (%) TOT RSISTNC (%) WIPR POSITION WIPR POSITION Figur 6. Wipr-ow/High Rsistans vs. Wipr Position Figur 7. Wipr-ow Rsistan vs. Wipr Position (og Sal) 6 1 WIPR RSISTNC ( ) V CC = 3. V Tap 84 V CC = 4.4 V Tap 84 STNBY CURRNT (n) V CC = 5 V V CC = 2.5 V WIPR VOTG (V) TMPRTUR ( C) Figur 8. Wipr Rsistan vs. Wipr Voltag Figur 9. Standy Supply Currnt vs. Tmpratur 6

7 Tal 7. ORRING INFORMTION CT5116I G vi Pakag Shipping PIP 8 (P Fr) 5 Units / Rail CT5116VI G CT5116VI GT3 CT5116YI G CT5116YI GT3 CT5116ZI SOIC 8 (P Fr) SOIC 8 (P Fr) TSSOP 8 (P Fr) TSSOP 8 (P Fr) MSOP 8 (P Fr) 1 Units / Rail 3 / Tap & Rl 1 Units / Rail 3 / Tap & Rl 96 Units / Rail CT5116ZI T3 MSOP 8 (P Fr) 3 / Tap & Rl For information on tap and rl spifiations, inluding part orintation and tap sizs, plas rfr to our Tap and Rl Pakaging Spifiations Brohur, BR811/. 1. For dtaild information and a rakdown of dvi nomnlatur and numring systms, plas s th ON Smiondutor vi Nomnlatur doumnt, TN31/, availal at ll pakags ar RoHS-ompliant (ad-fr, Halogn-fr). 12. Th standard lad finish is NiPdu. 13. Contat fatory for Matt-Tin finish. 7

8 PCKG IMNSIONS PIP 8, 3 mils 646 ISSU SYMBO MIN NOM MX PIN # 1 INTIFICTION B BSC TOP VIW B SI VIW N VIW Nots: (1) ll dimnsions ar in millimtrs. (2) Complis with JC MS-1. 8

9 PCKG IMNSIONS SOIC 8, 15 mils 751B ISSU O SYMBO MIN NOM MX BSC h.25.5 PIN # 1 INTIFICTION θ º 8º TOP VIW h 1 θ SI VIW N VIW Nots: (1) ll dimnsions ar in millimtrs. ngls in dgrs. (2) Complis with JC MS-12. 9

10 PCKG IMNSIONS MSOP 8, 3x3 846 ISSU O SYMBO MIN NOM MX BSC RF 2 θ.25 BSC º 6º TOP VIW 2 TI 1 SI VIW N VIW 2 Nots: (1) ll dimnsions ar in millimtrs. ngls in dgrs. (2) Complis with JC MO-187. TI 1 1

11 PCKG IMNSIONS TSSOP8, 4.4x3 948 ISSU O SYMBO MIN NOM MX BSC 1. RF 1 θ º 8º TOP VIW 2 1 SI VIW 1 1 N VIW Nots: (1) ll dimnsions ar in millimtrs. ngls in dgrs. (2) Complis with JC MO-153. ON Smiondutor and ar rgistrd tradmarks of Smiondutor Componnts Industris, C (SCIC). SCIC owns th rights to a numr of patnts, tradmarks, opyrights, trad srts, and othr intlltual proprty. listing of SCIC s produt/patnt ovrag may assd at Marking.pdf. SCIC rsrvs th right to mak hangs without furthr noti to any produts hrin. SCIC maks no warranty, rprsntation or guarant rgarding th suitaility of its produts for any partiular purpos, nor dos SCIC assum any liaility arising out of th appliation or us of any produt or iruit, and spifially dislaims any and all liaility, inluding without limitation spial, onsquntial or inidntal damags. Typial paramtrs whih may providd in SCIC data shts and/or spifiations an and do vary in diffrnt appliations and atual prforman may vary ovr tim. ll oprating paramtrs, inluding Typials must validatd for ah ustomr appliation y ustomr s thnial xprts. SCIC dos not onvy any lins undr its patnt rights nor th rights of othrs. SCIC produts ar not dsignd, intndd, or authorizd for us as omponnts in systms intndd for surgial implant into th ody, or othr appliations intndd to support or sustain lif, or for any othr appliation in whih th failur of th SCIC produt ould rat a situation whr prsonal injury or dath may our. Should Buyr purhas or us SCIC produts for any suh unintndd or unauthorizd appliation, Buyr shall indmnify and hold SCIC and its offirs, mploys, susidiaris, affiliats, and distriutors harmlss against all laims, osts, damags, and xpnss, and rasonal attorny fs arising out of, dirtly or indirtly, any laim of prsonal injury or dath assoiatd with suh unintndd or unauthorizd us, vn if suh laim allgs that SCIC was nglignt rgarding th dsign or manufatur of th part. SCIC is an qual Opportunity/ffirmativ tion mployr. This litratur is sujt to all applial opyright laws and is not for rsal in any mannr. PUBICTION ORRING INFORMTION ITRTUR FUFIMNT: itratur istriution Cntr for ON Smiondutor P.O. Box 5163, nvr, Colorado 8217 US Phon: or Toll Fr US/Canada Fax: or Toll Fr US/Canada mail: ordrlit@onsmi.om N. mrian Thnial Support: Toll Fr US/Canada urop, Middl ast and fria Thnial Support: Phon: Japan Customr Fous Cntr Phon: ON Smiondutor Wsit: Ordr itratur: For additional information, plas ontat your loal Sals Rprsntativ CT5116/