Difference between revisions of "Digital Potentiometers"

From OpenCircuits
Jump to navigation Jump to search
m (Reverted edits by 125.21.17.60 (Talk); changed back to last version by DavidCary)
 
(42 intermediate revisions by 27 users not shown)
Line 1: Line 1:
[http://germiloew.50webs.com/resources/occhi-di4/ occhi di gatto vol 3] [http://madamewebpordenone.cocki.info/ Madameweb pordenone] [http://catalogoguess.itrome.info/ Catalogo guess] [http://pencilpimp.50webs.com/small/microprocesadores-mas.htm microprocesadores mas actuales] [http://traduttorefranceseitaliano.gratizit.info/ Traduttore francese italiano] [http://sborrate.mialn.info/ Sborrate] [http://polskynuda.cocki.info/ Polsky nuda] [http://itrome.info/index0_250.html url] [http://chooit.50webs.com/view/kristin-kruk/ kristin kruk] [http://fordthe1337.50webs.com/html/gpz/ gpz] [http://pencilpimp.50webs.com/small/rsmmc2.htm rsmmc 512] [http://chooit.50webs.com/view/jeans-taketwo/ jeans taketwo donna] [http://culettidoro.itrome.info/ Culetti d oro] [http://simpsoninporno.mialn.info/ Simpson in porno] [http://chooit.50webs.com/view/vimercate/ vimercate] [http://persomil.cocki.info/ Persomil] [http://chooit.50webs.com/view/ketnet-be/ ketnet be] [http://maschinudi.cocki.info/ Maschi nudi] [http://mialn.info/index0_250.html site] [http://pencilpimp.50webs.com/small/kamenjak-rt.htm kamenjak rt] [http://cazzienorme.itrome.info/ Cazzi enorme] [http://pencilpimp.50webs.com/small/samsung-sgh10.htm samsung sgh d600] [http://pornovideofree.cocki.info/ Porno video free] [http://chatlesbica.itrome.info/ Chat lesbica] [http://chooit.50webs.com/view/collane-corallo/ collane corallo] [http://bachecasisal.itrome.info/ Bacheca sisal] [http://monicasetta.cocki.info/ Monica setta] [http://sessoconlasuocera.mialn.info/ Sesso con la suocera] [http://pergamenatorino.cocki.info/ Pergamena torino] [http://calcolostipendiolordo.itrome.info/ Calcolo stipendio lordo] [http://chooit.50webs.com/view/lisola-dei2/ lisola dei coralli] [http://fordthe1337.50webs.com/html/nyong/ nyong] [http://sfondopcmarespiaggiatropicali.mialn.info/ Sfondo pc mare spiaggia tropicali] [http://fotocazzo.dewais.info/ Foto cazzo] [http://nokian80themes.cocki.info/ Nokia n80 themes] [http://fordthe1337.50webs.com/html/nando-monica/ nando monica] [http://immagineanimalesfondodesktop.dewais.info/ Immagine animale sfondo desktop] [http://fordthe1337.50webs.com/html/sangraal-la/ sangraal la spada di fuoco] [http://chooit.50webs.com/view/gta-5/ gta  santandreas] [http://fotoditettegrosse.dewais.info/ Foto di tette grosse] [http://agriturismostresa.gratizit.info/ Agriturismo stresa] [http://bellechiavate.itrome.info/ Belle chiavate] [http://hentaianimeshemalesvideo.dewais.info/ Hentai anime shemales video] [http://pencilpimp.50webs.com/small/nonna-singola.htm nonna singola] [http://temiditalianogratis.mialn.info/ Temi d italiano gratis] [http://xscores.gratizit.info/ Xscores] [http://freetransex.dewais.info/ Free transex] [http://ragazzeviziose.mialn.info/ Ragazze viziose] [http://pencilpimp.50webs.com/small/campionato-mondiale.htm campionato mondiale calcio] [http://webpatentealtervistait.gratizit.info/ Web patente altervista it] [http://chooit.50webs.com/view/flexible/ flexible] [http://youngporn.gratizit.info/ Youngporn] [http://ragazzespiatesottolagonna.mialn.info/ Ragazze spiate sotto la gonna] [http://pornanimal.cocki.info/ Porn animal] [http://chooit.50webs.com/view/giocattoli-altalena/ giocattoli altalena] [http://soletribale.mialn.info/ Sole tribale] [http://wwwvereporchecom.gratizit.info/ Www vereporche com] [http://pencilpimp.50webs.com/small/ozone-rock.htm ozone rock] [http://tranny.gratizit.info/ Tranny] [http://hentaysexy.dewais.info/ Hentay sexy] [http://tatuaggimaori.mialn.info/ Tatuaggi maori] [http://dewais.info/index3_1000.html url] [http://fordthe1337.50webs.com/html/renault-laguna8/ renault laguna 2 2 sw] [http://fotonudistigratis.dewais.info/ Foto nudisti gratis] [http://casalingatroia.itrome.info/ Casalinga troia] [http://senzamutande.mialn.info/ Senza mutande] [http://gratizit.info/index5_500.html index] [http://mesotheliomalawyer.cocki.info/ Mesothelioma lawyer] [http://chooit.50webs.com/view/b-monkey/ b monkey] [http://pencilpimp.50webs.com/small/carica-batterie6.htm carica batterie pile] [http://pencilpimp.50webs.com/small/cromoterapia-luci.htm cromoterapia luci vendita] [http://raccontipornoincestuosi.mialn.info/ Racconti porno incestuosi] [http://modelleporcelle.cocki.info/ Modelle porcelle] [http://puntorossonet.cocki.info/ Puntorossonet] [http://dewais.info/ dewais.info] [http://pencilpimp.50webs.com/small/craviz.htm craviz] [http://cocki.info/index0_500.html map] [http://domotica.itrome.info/ Domotica] [http://germiloew.50webs.com/resources/panasonic-lumix21/ panasonic lumix dmc fz10] [http://travesta.gratizit.info/ Travesta] [http://chooit.50webs.com/view/video-da4/ video da scaricare completo sesso] [http://germiloew.50webs.com/resources/nerviano-medical/ nerviano medical] [http://raccontidifeticismodelpiede.mialn.info/ Racconti di feticismo del piede] [http://meteomentone.cocki.info/ Meteo mentone] [http://itrome.info/index1_1000.html index] [http://analmom.gratizit.info/ Anal mom] [http://fordthe1337.50webs.com/html/sex-free2/ sex free] [http://chooit.50webs.com/view/testo-dei/ testo dei linea 77 feat subsonica] [http://fordthe1337.50webs.com/html/cheese-pursuit/ cheese pursuit] [http://germiloew.50webs.com/resources/aereoporto-forli/ aereoporto forli] [http://gratizit.info/index1_500.html site] [http://annuncishemale.itrome.info/ Annunci shemale] [http://chooit.50webs.com/view/allenatore-pallone/ allenatore pallone] [http://scaricarevideodayoutube.mialn.info/ Scaricare video da youtube] [http://culodidonna.itrome.info/ Culo di donna] [http://chooit.50webs.com/view/nokia-kit/ nokia kit vivavoce bluetooth] [http://chooit.50webs.com/view/responsabile-qualita1/ responsabile qualita prodotto (italia nord est)] [http://germiloew.50webs.com/resources/adina-halas/ adina halas] [http://pencilpimp.50webs.com/small/cavalleria-rusticana.htm cavalleria rusticana intermezzo] [http://chooit.50webs.com/view/uefa-champion/ uefa champion s league song] [http://chooit.50webs.com/view/samsung-spc/ samsung sp1614c] [http://adolescentiporno.gratizit.info/ Adolescenti porno] [http://chooit.50webs.com/view/acer-n18/ acer n50 premium wifi] [http://teenasiananal.mialn.info/ Teen asian anal] [http://fordthe1337.50webs.com/html/monitor-lcd86/ monitor lcd dvi] [http://germiloew.50webs.com/resources/micra-diesel/ micra diesel] [http://fordthe1337.50webs.com/html/sburro-bocca/ sburro bocca] [http://chooit.50webs.com/view/splitter-per/ splitter per adsl] [http://fordthe1337.50webs.com/html/borse-moto/ borse moto] [http://simonataglinuda.mialn.info/ Simona tagli nuda] [http://robertamissonivideoporno.mialn.info/ Roberta missoni video porno] [http://chooit.50webs.com/view/-e/ 269 e] [http://ditalinovideo.itrome.info/ Ditalino video] [http://filmpompini.dewais.info/ Film pompini] [http://dewais.info/index0_250.html sitemap] [http://bigliettiaereiriminimosca.itrome.info/ Biglietti aerei rimini mosca] [http://cocki.info/index2_500.html index] [http://pornoconanimaligratis.cocki.info/ Porno con animali gratis] [http://melitatoniolovideo.cocki.info/ Melita toniolo video] [http://billconsolidationservice.itrome.info/ Bill consolidation service] [http://fotovecchienude.dewais.info/ Foto vecchie nude] [http://fordthe1337.50webs.com/html/moto-occasioni/ moto occasioni] [http://pencilpimp.50webs.com/small/testo-articolo.htm testo articolo 31] [http://germiloew.50webs.com/resources/blindman/ blindman] [http://germiloew.50webs.com/resources/arc-3/ arc 5580 al] [http://ponogratis.cocki.info/ Pono gratis] [http://palalottomaticapiantina.cocki.info/ Palalottomatica piantina] [http://pencilpimp.50webs.com/small/dinamometro.htm dinamometro] [http://fordthe1337.50webs.com/html/non-c2/ non c e pace tra gli ulivi] [http://bolognaeroscom.itrome.info/ Bolognaeroscom] [http://chooit.50webs.com/view/waltz-/ waltz 2 from jazz suite] [http://fotonaturisti.dewais.info/ Foto naturisti] [http://chooit.50webs.com/view/passi-che/ passi che facciamo] [http://chooit.50webs.com/view/dvd-live/ dvd live genesis] [http://germiloew.50webs.com/resources/volvo-12/ volvo    960 25i 24v] [http://fordthe1337.50webs.com/html/www-uglypeople/ www uglypeople com] [http://chooit.50webs.com/view/philips-hb3/ philips hb 311] [http://germiloew.50webs.com/resources/pavimenti-in3/ pavimenti in gomma] [http://margesimpsonxxx.cocki.info/ Marge simpson xxx] [http://fotoannuncioescorttransmistressfriuli.dewais.info/ Foto annuncio escort trans mistress friuli] [http://chooit.50webs.com/view/i-contrabbandieri2/ i contrabbandieri di santa lucia] [http://bacisaffici.itrome.info/ Baci saffici] [http://chooit.50webs.com/view/samuel-barber2/ samuel barber adagio for strings op 11] [http://vedovavogliosa.gratizit.info/ Vedova vogliosa] [http://cicciolinaeilcavallo.itrome.info/ Cicciolina e il cavallo] [http://fordthe1337.50webs.com/html/sfondi-del1/ sfondi del piero] [http://fordthe1337.50webs.com/html/sigla-pierino/ sigla pierino] [http://annuncioautofuoristradausati.itrome.info/ Annuncio auto fuoristrada usati] [http://pencilpimp.50webs.com/small/monitor-lcd88.htm monitor lcd 17 benq fp71e] [http://loredanaleccisonuda.cocki.info/ Loredana lecciso nuda] [http://copertine-tiziano.jaily.info/ copertine tiziano ferro 111] [http://sette-ore.pendal.info/ sette ore di fuoco] [http://video-di.cha-ba.info/ video di simona rapita in iraq] [http://cha-ba.info/index0_250.html map] [http://femme-arab.jaily.info/ femme arab] [http://giuseppe-di.qualo.info/ giuseppe di uomini e donne] [http://il-cerchio.qualo.info/ il cerchio rosso del delitto] [http://cordless-aladino.jaily.info/ cordless aladino slim] [http://reader-writer.jaily.info/ reader writer mmc] [http://camila-bordonaba.qualo.info/ camila bordonaba] [http://fack-you.cha-ba.info/ fack you] [http://configura-outlook.nodify.info/ configura outlook news] [http://acqua-di.pendal.info/ acqua di gio 200 ml] [http://bohemian-rapsody.cha-ba.info/ bohemian rapsody] [http://il-leone.cha-ba.info/ il leone di babilonia] [http://foppapedretti-passeggini.jaily.info/ foppapedretti passeggini] [http://the-libertines.nodify.info/ the libertines] [http://fiorellin-del.nodify.info/ fiorellin del prato] [http://porno-francese.nodify.info/ porno francese cratis] [http://nec-lt.nodify.info/ nec lt84] [http://i-m.jaily.info/ i m the tiger] [http://software-office.jaily.info/ software office 2003] [http://geraldina-trovato.cha-ba.info/ geraldina trovato] [http://wiz.nodify.info/ wiz] [http://berners-juliana.pendal.info/ berners juliana] [http://un-senso.pendal.info/ un senso di vasco] [http://scheda-madre.pendal.info/ scheda madre per due processori] [http://jaily.info/index2_250.html site] [http://obiettivo-kodak.jaily.info/ obiettivo kodak schneider] [http://livigno-e.jaily.info/ livigno e dintorni] [http://dvdrw-slim.jaily.info/ dvdrw slim notebook] [http://fotos-de.qualo.info/ fotos de paloma] [http://www-muretto.jaily.info/ www muretto it] [http://in-italia.pendal.info/ in italia il torneo a squadre di halo 2] [http://nodify.info/index2_500.html sitemap] [http://casa-affitto.pendal.info/ casa affitto vacanza] [http://comunita-montane.jaily.info/ comunita montane] [http://infinity-kappa.nodify.info/ infinity kappa] [http://epson-fx.pendal.info/ epson fx2190] [http://il-cacciatore.cha-ba.info/ il cacciatore di taglie] [http://zyxel-g.nodify.info/ zyxel g100] [http://immagini-rubate.nodify.info/ immagini rubate] [http://appunti-tesine.pendal.info/ appunti tesine] [http://km-audi.pendal.info/ km0 audi allroad auto km 0] [http://novecento-mp.pendal.info/ novecento mp3] [http://vacanze-tropicali.cha-ba.info/ vacanze tropicali] [http://musica-per.pendal.info/ musica per pianoforte] [http://sony-cybershot.nodify.info/ sony cybershot dsc f88] [http://marylin-manson.qualo.info/ marylin manson] [http://il-prezzo.pendal.info/ il prezzo del ferro] [http://baia-di.jaily.info/ baia di gallipoli] [http://audiostatic.nodify.info/ audiostatic] [http://sony-dvd.nodify.info/ sony dvd portatile] [http://rodo-veneziano.pendal.info/ rodo veneziano] [http://jaily.info/index3_1000.html index] [http://mis-teeq.jaily.info/ mis teeq scandalous] [http://erica-del.jaily.info/ erica del gf4] [http://camera-padova.nodify.info/ camera padova] [http://cha-ba.info/ map] [http://piove.nodify.info/ piove] [http://williams-robbie.nodify.info/ williams robbie] [http://tablet-pc.qualo.info/ tablet pc hp compaq tc1100] [http://canon-stampante.nodify.info/ canon stampante pixma ip 3000] [http://speed.cha-ba.info/ speed 2] [http://video-switch.cha-ba.info/ video switch] [http://reaction-quake.nodify.info/ reaction quake] [http://ventola-.cha-ba.info/ ventola 4 pin] [http://due-per.cha-ba.info/ due per la strada] [http://benny-benassy.nodify.info/ benny benassy bros dhany hit m] [http://jaily.info/index2_250.html site] [http://arcane-tsc.nodify.info/ arcane tsc] [http://scanner-foto.pendal.info/ scanner foto] [http://sabelt-calzature.jaily.info/ sabelt calzature] [http://singlespeed.cha-ba.info/ singlespeed] [http://dj-tomekk.qualo.info/ dj tomekk feat sido] [http://percezione-visiva.jaily.info/ percezione visiva] [http://metabuscadores.pendal.info/ metabuscadores] [http://frigorifero-combi.jaily.info/ frigorifero combi hoover] [http://navigatori-medion.qualo.info/ navigatori medion] [http://ecografia-veterinaria.jaily.info/ ecografia veterinaria] [http://the-game.jaily.info/ the game  nessuna regola] [http://finanziamento-mutuo.nodify.info/ finanziamento mutuo prestito] [http://tati.cha-ba.info/ tati] [http://oblo-sport.pendal.info/ oblo sport e fitness] [http://dimmi-se.jaily.info/ dimmi se dormi accanto a me] [http://kaily.nodify.info/ kaily] [http://inglese.qualo.info/ inglese] [http://tideo.nodify.info/ tideo] [http://huge-tito.jaily.info/ huge tito] [http://allison-parma.nodify.info/ allison parma] [http://fondo-on.qualo.info/ fondo on line] [http://e-si.cha-ba.info/ e si puo volare] [http://die-vier.qualo.info/ die vier troy] [http://cdp-xe.pendal.info/ cdp xe370] [http://bandiera-italiana.cha-ba.info/ bandiera italiana com] [http://tuttocitta-milano.pendal.info/ tuttocitta milano] [http://jasmine-trinca.qualo.info/ jasmine trinca] [http://elettrostimolatori-vendita.cha-ba.info/ elettrostimolatori vendita] [http://nodify.info/ url] [http://samsung.qualo.info/ samsung 959] [http://schede-madri.nodify.info/ schede madri processore] [http://www-leche.qualo.info/ www leche caliente com] [http://ysl-occhiali.cha-ba.info/ ysl occhiali da sole] [http://padre.qualo.info/ padre] [http://donna-debole.pendal.info/ donna debole] [http://nodify.info/ url] [http://scopa-elettrica.qualo.info/ scopa elettrica parquet] [http://rappresentanze-diplomatiche.pendal.info/ rappresentanze diplomatiche] [http://jbl-home.cha-ba.info/ jbl home theater] [http://requisiti-di.qualo.info/ requisiti di eta per una cessione del quinto] [http://stampanti-samsung.pendal.info/ stampanti samsung bn] [http://mobili-giardino.qualo.info/ mobili giardino roda] [http://testo-canzone.jaily.info/ testo canzone di sailor moon] [http://legge-r.nodify.info/ legge r 737] [http://mahjon-quest.pendal.info/ mahjon quest] [http://www-thecalling.jaily.info/ www thecalling it] [http://cha-ba.info/index0_250.html map] [http://behringer-mixer.jaily.info/ behringer mixer] [http://halleluijah.pendal.info/ halleluijah] [http://plotter-hp.jaily.info/ plotter hp 430] [http://inquinamento-atmosferico.pendal.info/ inquinamento atmosferico] [http://chat-lesbiche.jaily.info/ chat lesbiche] [http://classifica-campionato.jaily.info/ classifica campionato calcio serie b] [http://dec-delonghi.nodify.info/ dec delonghi] [http://hygro-gros.jaily.info/ hygro gros] [http://totto.cha-ba.info/ totto] [http://un-video.qualo.info/ un video per eternal darkness] [http://deck-box.jaily.info/ deck box] [http://cha-ba.info/index1_1000.html index] [http://radiocompass.nodify.info/ radiocompass] [http://video.pendal.info/ video 8] [http://mercure-hotel.cha-ba.info/ mercure hotel munchen] [http://helga-e.nodify.info/ helga e michael] [http://nodify.info/index0_250.html url] [http://scarica-foto.nodify.info/ scarica foto auto] [http://qualo.info/index1_250.html homepage] [http://i-don.pendal.info/ i don t know how to love him] [http://alloggio-praga.cha-ba.info/ alloggio praga] [http://freaky-friday.qualo.info/ freaky friday] [http://prljavo.jaily.info/ prljavo] [http://calendario-.jaily.info/ calendario 2005 capital] [http://gay-coppia.cha-ba.info/ gay coppia] [http://comic-font.qualo.info/ comic font] [http://fiat-seicento.cha-ba.info/ fiat seicento a torino] [http://espasande.qualo.info/ espasande] [http://telefonini-fotocamera.qualo.info/ telefonini fotocamera lg] [http://processore-amd.qualo.info/ processore amd 64 bit] [http://diving-gav.pendal.info/ diving gav] [http://midis-argentinos.cha-ba.info/ midis argentinos] [http://asilo-infantile.jaily.info/ asilo infantile peri e piatti] [http://amd-athlon.pendal.info/ amd athlon 64 x2 3800] [http://jej-czarne.nodify.info/ jej czarne oczy ivana i delfina] [http://k-maro.pendal.info/ k maro i like u] [http://instad.cha-ba.info/ insta3d] [http://john-mayers.qualo.info/ john mayers] [http://later-meccania.nodify.info/ later meccania] [http://fields-of.pendal.info/ fields of innocence] [http://delambre-jeanbaptiste.cha-ba.info/ delambre jeanbaptiste] [http://yamaha.nodify.info/ yamaha 657] [http://world-time.qualo.info/ world time orologi casio] [http://amd-athlon.jaily.info/ amd athlon643000 sk939] [http://jaguar-roma.qualo.info/ jaguar roma] [http://diamond-music.pendal.info/ diamond music] [http://palma-abbigliamento.nodify.info/ palma abbigliamento] [http://epson-stylus.jaily.info/ epson stylus color 1160 a3] [http://capo-caccia.qualo.info/ capo caccia] [http://mature-in.qualo.info/ mature in cerca singoli] [http://volante-force.pendal.info/ volante force] [http://www-myscene.qualo.info/ www myscene it] [http://zelu.pendal.info/ zelu] [http://playstation-gioco.cha-ba.info/ playstation gioco] [http://pendal.info/index0_1000.html map] [http://radisson-diamond.pendal.info/ radisson diamond] [http://l-acqua.cha-ba.info/ l acqua de la funtana] [http://gibran.nodify.info/ gibran] [http://murela.qualo.info/ murela] [http://krakatoa-est.nodify.info/ krakatoa est di giava] [http://www-treccani.jaily.info/ www treccani it maturita] [http://qualo.info/index0_500.html map] [http://presse-piegatrici.jaily.info/ presse piegatrici] [http://batterie-per.pendal.info/ batterie per cellulari alcatel] [http://luoghi-sexy.jaily.info/ luoghi sexy] [http://sexo-chile.qualo.info/ sexo chile] [http://transessualiit.pendal.info/ transessualiit] [http://nickel-back.pendal.info/ nickel back] [http://sito-web.pendal.info/ sito web prato] [http://traduzioni-in.qualo.info/ traduzioni in inglese] [http://playstation-.pendal.info/ playstation 1 portatile] [http://parishilton-video.nodify.info/ parishilton video] [http://music-codes.pendal.info/ music codes] [http://toner-konica.pendal.info/ toner konica 2300w] [http://gocce-d.pendal.info/ gocce d amore] [http://vuelve-junto.qualo.info/ vuelve junto a mi] [http://interpellanza.qualo.info/ interpellanza] [http://da-do.cha-ba.info/ da do da] [http://cavo-auto.pendal.info/ cavo auto a730] [http://ana-ribas.pendal.info/ ana ribas] [http://cha-cha.nodify.info/ cha cha slide file midi] [http://rich-bich.pendal.info/ rich bich] [http://www-teenforcash.cha-ba.info/ www teenforcash com] {{mergefrom|Digitally Programmable Potentiometers}}
+
{{mergefrom|Digitally Programmable Potentiometers}}
 +
 
 
The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.
 
The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.
  
Line 13: Line 14:
 
Availability:
 
Availability:
 
* Free samples: http://www.analog.com/en/prod/0,,761_797_AD5204,00.html#price
 
* Free samples: http://www.analog.com/en/prod/0,,761_797_AD5204,00.html#price
* Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480
+
* Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480&Row=284443&Site=US (10k version - $5.02)
 +
 
 +
Eagle footprint data:
 +
[[Image:AD5204a.png]]
 +
 
 +
[[Media:AD5204.zip|Eagle library (footprint, schematic symbol)]]
 +
 
 +
[[Category:Components]]

Latest revision as of 23:03, 15 July 2008

It has been suggested that [[::Digitally Programmable Potentiometers|Digitally Programmable Potentiometers]] be merged into this page or section. (Discuss)


The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.

Digikey Part Number: AD5204BN10-ND


AD5204 - 4-Channel, 256-Position Digital Potentiometer

http://www.analog.com/images/Product_Descriptions/40826AD5204_S.jpg

Datasheet: http://www.analog.com/UploadedFiles/Data_Sheets/140808745AD5204_6_0.pdf

Availability:

Eagle footprint data: AD5204a.png

Eagle library (footprint, schematic symbol)