Le khasi
LM358P Amandla aphansi, ama-op amp amp amplifier.Ingasebenza ezinhlobonhlobo zezicelo ezisetshenziselwa ukunikezela okukodwa ngomkhiqizo ophezulu we-bandwidth nomsindo ohlanganisiwe.Lo mbhalo uzokwethula ngokuningiliziwe kusuka ezicini zezici, iphakheji, ukwakheka, kanye nesicelo.
Namabhuku
Umdwebo 1: LM358P
I-LM358P yinguqulo yesizukulwane esilandelayo ye-Amplifier evamile yokusebenza embonini ye-LM358 futhi iqukethe ama-amplifiers amabili aphezulu (36v) asebenzayo asebenzayo.Lawa madivaysi ahlinzeka ngenani elihle kakhulu lezicelo ezibucayi zezindleko futhi zifaka i-Offset ephansi (300μV ejwayelekile), uhla lokufaka lwemodi ejwayelekile kuya emhlabathini, namandla aphezulu okufaka okufakwayo.Ngaphezu kwalokho, i-LM358P ihlanganiswe nge-DIP ye-Easy Manual Soldering.
I-LM358P iqukethe ama-amplifiers asebenzayo aphezulu avelele aphezulu aceliwe aklanyelwe ukusebenza kusuka kumandla owodwa wamandla ngaphezu kwebanga le-voltage ebanzi.Lesi sifunda singabona ukusebenza okukodwa kwamandla kagesi ngaphakathi kwamandla we-voltage Voltage uhla lwe-3V kuya ku-32v, futhi kusekela ukusebenza okuzimele ngaphansi kwemibandela yokuhlinzekwa kwamandla okuthe xaxa, futhi inomsebenzi wesinxephezelo sangaphakathi sangaphakathi.I-LM358P OP AMP yenza lula ukwakheka kwesizungu kanye nezici ezifana nobumbano - zuza ukuqina, ukuqina kwe-offset (3MV
Ezinye izindlela nokulingana
Uhla oluningi olunikezayo lwe-3 v kuya ku-36 v
Isihlungi se-RF sangaphakathi nesihlungi se-EMI
I-Quiesent Yamanje: 300 μa / ch
2-MV Offf offset Voltage Max.ngo-25 ° C
3-MV Offset Voltage Max.ngo-25 ° C
Ubumbano-Thola i-bandwidth ye-1.2 mhz
Uhla lwe-voltage olujwayelekile lufaka umhlabathi, ukunika amandla ukuzwela okuqondile eduze komhlabathi
Emikhiqizweni evumelana ne-MIL-PRF-38535, wonke amapharamitha ayahlolwa ngaphandle kokuthi aphawulwe ngenye indlela.Yonke eminye imikhiqizo, ukucubungula ukukhiqiza akubandakanyi ukuhlolwa kwawo wonke amapharamitha.
Umdwebo 2: Iphakheji Design of LM358P
Imihlahlandlela yezakhiwo
Ngokusebenza okuhle kakhulu kwensiza, sebenzisa izindlela ezinhle zokuhlelwa kwe-PCB, kufaka phakathi:
Umsindo ungasakaza ekujikelezeni kwe-analog ngokusebenzisa izikhonkwane zamandla wesifunda azonke, kanye ne-amplifier yokusebenza.Ama-capacitor adlula asetshenziselwa ukunciphisa umsindo ohlanganisiwe ngokunikeza imithombo yamandla ephansi ye-Low-Implance Local ku-Analog cirdelaitry.Xhuma i-Low-ESR, 0.1-μf ceramic bypass capacitors phakathi kwephini ngalinye lokuhlinzekwa kanye nomhlaba, obekwe eduze kwensiza ngangokunokwenzeka.I-capacitor eyodwa ye-bypass kusuka ku-v + kuya emhlabathini isebenza ngezicelo zokuhlinzekwa zodwa.
Ukwehlukanisa ukuxhumana komhlaba kwezakhi ze-analog nezedijithali ngaphakathi kokuma komjikelezo njengendlela eqondile kodwa esebenza kahle kakhulu yokunciphisa umsindo.Imvamisa, isendlalelo esisodwa noma ngaphezulu ngaphakathi kwama-PCBOR we-multilayer aqokwa izindiza zomhlaba, zisiza ekuhlaseleni kokushisa futhi anciphise ukuphazamiseka kwe-EMI.Qiniseka ukuthi uhlukanise izizathu ezihlukile ngokomzimba neze-analog, unaka ukugeleza komhlaba wamanje.
Ukunciphisa ukuhlangana kwama-parasitic, sebenzisa iminonjana yokufaka kude kakhulu nokulethwa noma ukukhishwa okulandelayo ngangokunokwenzeka.Uma kungenzeki ukubagcina behlukile, kungcono kakhulu ukuwela umkhondo obucayi ngokulandela umkhondo ngokungafani nokuhambisana nokulandela ngomkhondo okunomsindo.
Beka izingxenye zangaphandle eziseduzane nensiza ngangokunokwenzeka.Ukugcina i-RF ne-RG eduze kokufaka okufakwayo kunciphise amandla okuphambanisa, njengoba kukhonjisiwe kulokhu okulandelayo.
Gcina ubude bokufakwa kokufaka okufushane ngangokunokwenzeka.Khumbula njalo ukuthi iminonjana yokufaka iyingxenye ebucayi kakhulu yesifunda.
Cabanga nge-Guard eqhutshwayo, ephansi yokuvikela indandatho ezungeze iminonjana ebucayi.Indandatho ye-Guard inganciphisa kakhulu imisinga yokuvuza kusuka ekulandeleleni okuseduze okukhona emandleni ahlukene.
Izibonelo Zokuhlelwa
Umdwebo 3: Izibonelo Zokuhlelwa
Ezinye izinhlelo ezinkulu ze-LM358P IC zibhalwe ngezansi:
Amasu we-Pos (Point-of-Sale)
Iziqandisi, ama-Washers, kanye nowomisa
Izimo zomoya, zombili ngaphakathi nangaphandle
Imvamisa ye-Voltage Frequency, ama-inverters entambo, ama-inverters aphakathi, kanye nama-anverters a
Ukulawulwa kwe-Loop kanye nomthethonqubo
I-Motherboard ne-Desktop PC
Okuphasela kwamandla okungaphazanyiswa
Isixhumi, i-Adder, ehlukile, umlandeli wevotaji njll.
Ukungeniswa kwe-AC, i-DC ehlanganisiwe, i-DC engenasisekelo, i-high-voltage, i-low-voltage, uzibuthe ongapheli, kanye nama-tepper motors zonke izibonelo zokulawulwa kwezimoto
I-Light Sensor Circuit
Umjikelezo oboniswe ngenhla yisifunda sezinzwa esikhanyayo esakhiwe azungeze i-LM358 IC.Kulesi silungiselelo, i-IC isetshenziswa njengesiqhathaniso.I-LED ixhumeke kokukhishwa, isb.
Umdwebo 4: I-LM358 Kwisifunda Sezinzwa Esikhanyayo
Umjikelezo we-sensor emnyama
Umjikelezo okhonjiswe ngenhla uyisifunda senzwa emnyama ene-LM358 IC njengomongo.Kulesi sifunda, isikhonkwane sesikhungo sokuphikiswa okuguqukayo sixhumeke kwi-PIN 2, ehambelana nokufakwa okuguqukayo kwengxenye ye-IC.Ngakho-ke, lapho ebumnyameni obuphelele noma ukukhanya okuphansi, isifunda siveza ukuphuma okuphezulu kusuka engxenyeni u-A. Umphumela oqondile uncike ekuguqukeni komphikisi oguquguqukayo we-20K.
Umdwebo 5: I-LM358 KWI-DARK Sen Sensor Circuit
I-LM358 ne-LM358P iyimodeli efanayo yama-chips asebenzayo we-Amplifier, futhi umehluko wawo ophambili ulele kwifomu lephakheji.I-LM358P isebenzisa i-DIP (iphakethe le-Dual in-line), elilungele ukwenziwa kwamabhulukwe;Ngenkathi i-LM358 isebenzisa i-SAIC (Iphakheji yesekethe elihlanganisiwe elihlanganisiwe), elilungele kakhulu ukukhiqizwa okuzenzakalelayo.Yize amafomu ephakethe ahlukile, amapharamitha kanye nokucaciswa kwalokhu okubili ngokufanayo afanayo, njengokufaka okufakwayo kwamanje, ukufakwa kwamandla kagesi, futhi uthole umkhiqizo we-bandwidth.
Umdwebo 6: LM358 VS.LM358P
Kumele kwaziwe ukuthi kungahle kube nomehluko omncane phakathi kwe-LM358 ne-LM358p ekhiqizwa abakhiqizi abahlukahlukene.Ngakho-ke, kuzinhlelo zokusebenza ezisebenzayo, kufanele sikhethe imodeli efanelekile nomenzi ngokuya ngezidingo ezithile.Ngokuvamile, i-LM358 ne-LM358P ngamafomu ahlukene wephakheji we-amplifier efanayo yokusebenza.Banamapharamitha kagesi afanayo nemisebenzi, ngakho-ke bangasetshenziswa ngokushintshana.Phakathi kwazo, i-LM358P yamukela iphakethe eli-anti-static, elilungele ukusetshenziswa ezindaweni ezinokhahlo.Kodwa-ke, ezimweni eziningi, amamodeli amabili ashiyekayo.Ukuze uqinisekise ukuqina nokusebenza komjikelezo, kunconywa ukuthi ubhekane ngokucophelela ishidi ledatha elifanele ngaphambi kokusebenzisa ukuqinisekisa ukuthi ngabe amapharamitha awo nephakethe alungele uhlelo oluthile.
Lapho sisebenzisa i-LM358p, kudingeka sicabangele lezi zinto ezilandelayo.
Okokufaka nokukhipha okuphumayo
Sidinga ukuqiniseka ukuthi amazinga ezimpawu zokufaka nokukhipha ahambelana namabanga okufaka kanye nokukhipha kwe-LM358P.Uma isiginali yokufaka ingaphandle kobubanzi be-LM358P, kungadala ukuhlanekezela noma ukulimala kudivayisi.
Ukuxhumeka kwe-PIN
Lapho kuxhuma i-LM358P, okokuqala kudingeka sicacise umsebenzi we-PIN ngayinye ngaphambi kokuthi siqinisekise ukuthi ziphikeze kahle esifundeni.Isibonelo, izikhonkwane zokufaka zidinga ukuxhunywa emthonjeni wesiginali ukuze uthole isinali yokufaka, ngenkathi izikhonkwane zokukhipha zidinga ukuxhunywa emthanjeni ukuze kukhishwe isiginali esetshenzisiwe.Izikhonkwane zamandla zidinga ukuxhunywa emthonjeni wamandla ozinzile, kanti izikhonkwane zomhlabathi zidinga ukugcwala ukuze kuqinisekiswe ukunikezwa kwamandla afanele esisekelweni.Ngasikhathi sinye, nathi sidinga ukunaka i-oda lokuxhuma nobumba lwezikhonkwane, ukuze kungabingeli ukwehluleka kwesekethe ngenxa yamaphutha okuxhuma.
Design thermal
Ukwehla kokushisa okumpofu kungadala ukuthi ukusebenza kwe-LM358p ukuwohloka, noma kuholele ekulimaleni ngokweqile.Ngakho-ke, kudingeka sicabangele ngokugcwele inkinga yokuhlanza ukushisa lapho siklama umjikelezo.Indlela ejwayelekile yokuhlanza ukushisa ukwandisa ukushisa ukucwila ezungeze i-amplifier yokusebenza ukuze ukhuphule indawo yokuhlanza ukushisa futhi uthuthukise ukusebenza kahle kokushiyeka kokushisa.
Isinxephezelo semvamisa
Kwezinye izinhlelo zokusebenza, isinxephezelo semvamisa singacelwa ukuthi siqinisekise ukuqina kwe-LM358p.Ekusebenzeni, okokuqala sidinga ukuthola inani lesinxephezelo esidingekayo ngokuya ngezidingo zohlelo lokusebenza, bese ukhetha inani elifanelekile le-capacitance.Okulandelayo, sixhumanisa i-terminal enhle ye-capacitor kwisinxephezelo sesinxephezelo se-LM358P kanye nomhlabathi we-terminal engemihle ye-capacitor.Ngale ndlela, i-capacitor ingakha inethiwekhi ye-RC nge-resistor ngaphakathi kwe-amplifier, ngaleyo ndlela ibone isinxephezelo semvamisa.
Ukuvikela
Ukuze uqinisekise ukusebenza okuzinzile kwe-amplifier esebenzayo ye-LM358P futhi kwandisa impilo yayo yenkonzo, kufanele sicabange ukwamukela umjikelezo wokuvikela ukuyoqapha imiphumela yamandla kagesi aphezulu, ngaphezulu, nakwezinye izimo ezingathandeki.Ngokukhethekile, singathola ukuvikelwa okusebenzayo ekunqamukeni ngokweqile ngokungeza ukumelana nochungechunge kokufaka noma kusetshenziswa idivaysi ekhethekile yokuvikela ngaphezulu.Okwamanje, ukuze ulawule okwamanje, singasebenzisa amadivaysi afana nabalingani bamanje noma ama-fuse ukuqinisekisa ukuthi ukugeleza kwamanje ngaphakathi kwebanga eliphephile.
Ukunikezwa kwamandla kagesi
Sicela uqinisekise ukuhlinzeka nge-voltage efanelekile ye-LM358p.I-LM358P ivame ukusebenza kwimodi yokuhlinzekwa okukodwa kanye nemodi yokuhlinzekwa okubili, kuya ngezidingo zethu zesicelo.Uma sikhetha ukusebenzisa ukunikezwa kwamandla okukodwa, sicela uqinisekise ukuthi i-volurtage kagesi ayiphansi kune-voltage ephansi yokusebenza edingwa yi-LM358P.Uma sikhetha ukusebenzisa i-Dual Power Supply, sidinga ukuhlinzeka ngokuhlinzekelwa okuhle nokubi kwama-voltages.
Gcina ukwakheka okuhle nokubekelwa phansi
Lapho siklama ibhodi, kudingeka siqiniseke ukuthi kunokuxhumana okuhle phakathi kwesiginali namandla wamandla ukunciphisa umsindo nokuphazamiseka.Lapho sibeka iBhodi, kufanele sigcine umhlaba wesiginali eduze komhlaba wamandla bese uzama ukugwema imigqa yesiginali ewela phansi amandla.Ngaphezu kwalokho, ukusebenzisa indlela ephansi yenkundla ye-Imperance kunciphisa ukumelana nokungaziwa kocingo lomhlabathi, okubuye kunciphise umsindo.Okwamanje, ukuze kuqinisekiswe ukuqina kwamandla futhi kunciphise umsindo wokuhlinzekwa kwamandla, sidinga ukusebenzisa izintambo ezinkulu noma ezibanzi ukuxhumanisa amandla okuhambisa amandla ukuze kunciphise ukumelana nokungenisa komugqa wokuhambisa amandla.
Imibuzo Ebuzwa Njalo [I-FAQ]
1. Uyini umsebenzi we-LM358P?
I-LM358 inezicelo eziningana, kufaka phakathi amasekethe wokusebenza we-Amplifier (i-OP-AMP), ama-transducer amplifiers, amabhlogo we-DC athola, iziqeshana zokuqhathanisa, izihlungi ezisebenzayo, ukudluliselwa kwamanje, ukudluliselwa kwamanje.
2. Uyini umehluko phakathi kwe-LM358P ne-LM358N?
Ngokusho kwe-National Semiconductor Corporation's Standation P ne-N yifomu lePhakeji ledivayisi.Iphakheji ye-LM368N iyiphakethe leplastiki elimbaxambili elimbili.I-LM358P kufanele ibe yiphakethe elilodwa le-in-line.
3. Uyini umehluko phakathi kwe-LM358P no-741?
Umehluko phakathi kwe-LM358 & LM741 yile, i-LM358 entsha futhi ine-OP-amp amabili ku-Chip ngenkathi ku-741 eyodwa kuphela i-OP-AMP ikhona.Kokubili ama-IC anezikhonkwane ezi-8.
4. Iyini incazelo ye-LM358P?
Inama-amps amabili azimele auntrent anokuhanjiswa kwamandla okukodwa kwiphakeji elilodwa le-IC.Le ec nayo ingasebenza kusuka ekuhlukaniseni amandla okuhlukanisa kanye nobukhulu bokuhlinzekwa kwamandla akuphazamisi ukukhishwa kwamandla okuphansi kwamanje.