Makina a LM339 voltomi: mawonekedwe, kugwiritsa ntchito, komanso momwe angagwiritsire ntchito
2024-11-29 1437

CD74hct20m ndi lingaliro lokhala ndi ma cmos ogwiritsa ntchito bwino ma 4-let NAAN NAAN.Pogwiritsa ntchito chipata cha silicon CMOS, izi zipata izi zimabweretsa kuthamanga kwa zipata za lsttl pomwe mukukhala ndi mphamvu zolimbitsa thupi za ma CMO zomwe zidaphatikizidwa.Amakonda kupeza ntchito mosiyanasiyana monga mabwalo obisalamo, mfundo zomveka bwino, ndi zina zambiri.

Kataloji

Lm339 makinitsi

Zovala za LM339 ndi mawonekedwe amagetsi

LM339 ili ndi magetsi anayi odziyimira pawokha.Woyerekeza aliyense amagwira ntchito payekhapayekha, kuonetsetsa kuti magwiridwe antchito a munthu sakhudza enawo.Izi zimachepetsa phokoso pakati pa ofananira, zomwe ndizofunikira m'mabwalo omwe ali ogwirizana komwe kuli kolondola.

Chip chikhoza kugwira ntchito ndi magetsi amodzi kapena magetsi am'munsi.Ndi malo amodzi, imagwira ntchito mkati mwa mitundu ya anthu +3.0 v to +36 v kwa awiri, imatha kugwiritsa ntchito mitundu ya 108 vZofunika zimasiyana.

Pafupifupi mbali, LM339 imapangidwa kuti ichepetse tsankho lililonse lapano.Kulowetsa komwe kumayambitsa kuli kotsika kwambiri monga 25 NA, komwe kumathandizira pakugwiritsa ntchito komwe ngakhale mafunde ang'onoang'ono amatha kuyambitsa zolakwa.Kulowetsa komwe kumakhalanso kotsika kwambiri, kungo 5.0 NA, kuwunikiranso molondola.

Mphamvu ya mphamvu yolumikizidwa imasungidwa yotsika, kuonetsetsa kuti mitundu yochepa yamagetsi imapezeka molondola.Kulowetsa magetsi wamba kumafikira njira yonse yofikira pansi, kutanthauza kuti LM339 itha kuthana ndi zizindikiro zomwe zimayamba kuchokera ku Zero Volts, zomwe ndizopindulitsa mu magetsi otsika kwambiri.

LM339 imadzitamandira mphamvu yotsika kwambiri yotulutsa mafuta, 130 mv pa katundu 4.0.Izi ndizofunikira pakugwiritsa ntchito magetsi ochepa, monga mabwalo ozungulira a batri, pomwe mukufuna kuchepetsa mphamvu yomwe idatayika kudzera pa chipangizocho.Magetsi ochepetsedwa amatsimikizira kuti zotulutsa zimakhalabe zogwira ntchito ngakhale dongosolo likayamba kutha mphamvu.

Chipangizocho chimagwirizana kwambiri ndi mtundu wa TTL ndi CMOS, zomwe zimapangitsa kuti zikhale zosavuta kuphatikiza ndi makina osiyanasiyana osagwirizana ndi zosowa zowonjezera kapena kusinthasintha.

Kuonetsetsa ntchito yodalirika, LM339 imaphatikizapo ESD (ma electrostatic) imazungulira.Ma cur limateteza chipangizocho ku zotulutsa zomwezo zomwe zitha kuwononga chip, nthawi yonseyi pomwe mukuwonetsetsa kuti chipangizocho chimachita bwino.

Potengera miyezo ya chilengedwe, LM339 ndi yaulere, yopanda tanthauzo, ndi yogwirizana ndi Rohs.Izi zimapangitsa kuti chisankho choyenera pamagetsi amakono omwe ayenera kukumana ndi malamulo achilengedwe komanso chitetezo.

Ofanana ndi magetsi a LM339

LM311, LM324, LM397, LM139, LM239, Lm2901 etc.

LM339 IC mwachidule

A LM339 imagwiritsidwa ntchito m'magawo komwe muyenera kufananizira zizindikiro ziwiri zamagetsi.Chida chosiyanasiyana chifukwa chimakhala ndi osiyana ndi anayi osiyana, amalola kuti ifanizire zizindikiro zinayi zamagetsi nthawi imodzi.Izi ndizothandiza kwambiri pakugwiritsa ntchito komwe mungayang'anire magetsi angapo nthawi imodzi, monga mu mphamvu yowunikira, magetsi olowera, komanso kuwunika ntchito.

Zomwe zimapangitsa kuti LM339 yotchuka pa akatswiri ndi opanga ndi kuphatikiza kwake kwa mtengo wotsika komanso kugwira ntchito kolimba.Chip chimapangidwa kuti chikhale chodalirika osaphwanya bajeti, ndichifukwa chake ndikusankha pokonzekera ma projekiti ambiri a Diy ndi mafakitale.Kugwiritsa ntchito mtengo wake sikutanthauza kumapangitsa magwiridwe antchito;Mafanizo amaperekanso kuthamanga komanso kulondola kwa ntchito zosiyanasiyana.

Nthawi yoyankha ya LM339 imathamanga kwambiri kuti ikwaniritse zosowa zambiri zofunsira.Kaya mukupanga mtundu wa magetsi kapena chinthu china chovuta kwambiri, momwe magwiridwe antchito a IC amatha kuthana ndi zowona zenizeni zosadziwika bwino popanda kuchedwa.

Kugwiritsa ntchito bwino, kuthekera kofanana ndi awiriawiri magetsi angapo nthawi imodzi kungasinthe mapangidwe adera ndikusunga malo.Izi ndizofunikira makamaka machitidwe omwe amafunikira kuyerekezera zizindikiro zingapo zam'madzi mofanana mosagwirizana popanda zina zothandizira aliyense.

Ponseponse, LM339 imapereka njira yowongoka, yodziwikiratu ya magetsi, kaya mu njira zoyambira kapena zopangidwa zambiri zomwe zimafunikira pakugwira ntchito mofulumira komanso kodalirika.

Momwe Mungagwiritsire Ntchito VM339 voltorage Compator

Tiyeni tiwononge magwiridwe antchito a LM339 poyang'ana mawonekedwe ake amkati.A LM339 ili ndi machesi anayi odziyimira pawokha, omwe amatanthauza kuti amatha kuyerekezera zikwangwani zamagetsi zingapo nthawi yomweyo.Woyerekeza aliyense amalumikizana mkati kuti alolere magetsi ofananira kwambiri, ndikupanga ic yankho losasinthika pazogwiritsa ntchito zosiyanasiyana.

Tsopano, tiyeni tizingoyang'ana mbali imodzi yokha mwa anthu omwewo ndikupanga gawo losavuta kuti muwone momwe zimagwirira ntchito.Mu kukhazikitsa kwa magetsi, tidzafanizira magetsi awiri, v1 ndi v2, ndikupanga zotulutsa zochokera ku voliyumu yomwe ili pamwamba.

Mu gawo ili, LM339 limayerekezera magetsi awiri-v1 ndi v2.Zotsatira za kufananizidwa kumeneku kwatuluka ngati VO.Chipangizocho chimathandizidwa ndi gwero limodzi la magetsi, VCC, monga zikuwonekera pa chithunzi.

LM339 imagwira ntchito motere:

Ngati V1 ndi wamkulu kuposa V2, wotuluka voli udzakhala pa VCC (magetsi).

Ngati V2 ndi yayikulu kuposa V1, kutulutsa vol ikhale 0v (kapena GND).

Izi zimathandiza kudziwa kuti ndi magetsi awiri omwe ali okwera.Kutulutsa (vo) mwachindunji kumawonetsa zotsatira za fanizoli.Kutulutsa kwakukulu (vcc) kumawonetsa kuti V1 ndi yapamwamba, pomwe yotsika (0V) imatanthawuza V2 ndiyokwera.

Mukamamanga derali m'dziko lenileni, mudzazindikira kuti zotulutsa za LM339 ndi "oyera" ndipo amayankha mwachangu kusintha magetsi.Ndikofunikira kuonetsetsa kuti ma invielt onse awiri olowera (v1 ndi v2) ali mkati mwa mtunduwo kwa woyerekezayo kugwira ntchito molondola.Ngati kuyika kumapitilira malire a magetsi, kumatha kubweretsa kufanana kapena kuwonongeka kwa IC.

Ntchito za LM339

Oscillators

Nthawi zambiri LM339 imagwiritsidwa ntchito nthawi zambiri m'mabwalo osuta, komwe zimathandizira kupanga pafupipafupi.Mukamapanga oscillator, mutha kugwiritsa ntchito LM339 kuyerekezera magetsi ndikuwongolera zomwe mungasinthe.Nthawi yake yoyaka mwachangu komanso kugwiritsa ntchito mphamvu zochepa zimapangitsa kuti zikhale zabwino kwa wotchi yotchinga ma puller kapena mawonekedwe osiyanasiyana pamagetsi osiyanasiyana.

Zolemba zamagetsi

Monga kuponiza magetsi, LM339 idapangidwa kuti ifanizire magetsi awiri ndikudziwa zomwe zili zapamwamba.Zimagwiritsidwa ntchito kwambiri pakugwiritsa ntchito komwe kumafunikira kuchuluka kwa magetsi ofunikira, monga zida za batri kapena zigawo zomwe zikufunika kuwunikira magetsi mosalekeza.Kutha kwake kugwira ntchito pamagetsi ambiri kumawonjezeranso zinthu zosiyanasiyana.

Zoyeserera za peak

LM339 imathanso kugwira ntchito m'magawo oyang'anira.Munthawi yomvera kapena muyeso womwe umagwiritsidwa ntchito, nthawi zambiri mumafunikira kujambulitsa chizindikiro chosintha kwambiri.Kulondola kwa LM339 kumalola kuti zizindikire ndikugwira mtengo wake wa Peak, ndikupangitsa kuti ikhale yothandiza powunikira magawo a signal pokonza, zida zoyesa, ndi kusanthula.

Kutanthauzira kwa magetsi

M'madongosolo omwe magawo osiyanasiyana a dera amagwira ntchito pamagetsi osiyanasiyana, LM339 itha kugwiritsidwa ntchito kutanthauzira zizindikiro pakati pawo.Izi ndizothandiza kwambiri pamene kulowererapo zida zomwe zimayenda pama voliji osiyanasiyana, ndikuwunika kulumikizana kosavuta pakati pa machitidwe osiyanasiyana popanda kuwonongeka kwa zikwangwani.

Kuyang'anira mphamvu

LM339 imathanso kugwiranso ntchito yoyang'anira madera akuwongolera.Itha kuwunika magetsi a mphamvu ndikuyambitsa zochita ngati kuzimitsa kapena kusinthana ndi mphamvu zosunga magetsi pomwe.Izi ndizofunikira mu kachitidwe komwe mphamvu yodalirika ndiyofunikira, monga zida zotetezeka kapena zowunikira kutali.

Ntchito za Mafakitale

M'mayiko a mafakitale, LM339 imagwiritsidwa ntchito powunikira magawo monga kutentha, kukakamizidwa, kapena densor ina.Kutha kwake kuchita magetsi olondola kumapangitsa kuti ikhale yabwino kusokoneza mafinya ndikuwongolera ma alarm kapena ma protocols otetezeka pomwe ma pureen amapangidwira.

Zida zoyezera

Pazida zoyezera ngati volmeters matrateters, a LM339 amagwiritsidwa ntchito kuyerekezera kuchuluka kwa magetsi ndikuwonetsetsa kuti kuwerenga kolondola.Ndi gawo lofunikira pazigawo zomwe zimafunikira magetsi okhazikika komanso zida zowunikira, makamaka pazida kapena zida zoyeserera m'munda.

Maotayi

Makampani ogulitsa amagwiritsa ntchito LM339 pazowunikira zosiyanasiyana.Amapezeka kawirikawiri mu machitidwe omwe amawunikira magetsi a batiri, maofesi injini, ndi zina zochititsa zovuta pagalimoto.Kulimba kwake pakugwiritsa ntchito magetsi ambiri komanso nthawi yoyankha mwachangu kumapangitsa kuti zikhale zosankha zodalirika kwa makina owongolera ayo.

2D-mtundu

Datasheet Pdf

LM339 Datheets