LMV324IDR Chigamba chatsopano choyambirira cha SOP14 Chip 4 njira yotsika voteji yotulutsa amplifier yophatikizira zigawo za IC

Malinga ndi magawo a amplifiers ophatikizika ogwirira ntchito, amatha kugawidwa m'magulu otsatirawa.
1, cholinga chambiri: amplifier yogwiritsira ntchito cholinga chake chonse idapangidwa kuti izikhala ndi zolinga wamba.Mbali yaikulu ya chipangizo chamtunduwu ndi mtengo wotsika, chiwerengero chachikulu cha mankhwala, ndi zizindikiro zake zogwirira ntchito zingakhale zoyenera kugwiritsidwa ntchito.Chitsanzo μA741 (single op-amp), LM358 (dual op-amp), LM324 (op-amps anayi), ndi chubu chothandizira kumunda monga gawo lolowera la LF356 ndi izi.Pakali pano ndi omwe amagwiritsidwa ntchito kwambiri ophatikizira amplifiers.

2, High Resistance Type
Mtundu wa amplifier wophatikizika wophatikizika uwu umadziwika ndi kulowetsedwa kwamtundu wapamwamba kwambiri komanso kakondera kakang'ono kwambiri, komwe nthawi zambiri kamachotsa> 1GΩ~1TΩ, yokhala ndi IB ya ma picoamp ochepa mpaka makumi a picoamp.Njira yayikulu yokwaniritsira zolingazi ndikugwiritsa ntchito mikhalidwe ya kulephera kwamphamvu kwa ma FET kuti apange gawo lolowetsa losiyana la op-amp.Ndi FET ngati siteji yolowera, osati kungolowetsamo kwambiri, kutengerako pang'ono, komanso ubwino wa liwiro lalitali, burodibandi, ndi phokoso lotsika, koma mphamvu yolowera ndi yayikulu.Zida zophatikizika zodziwika bwino ndi LF355, LF347 (ma op-amps anayi), ndi impedance yapamwamba yolowera CA3130, CA3140, ndi zina zotero. [2]

3, Kutentha kwamtundu wocheperako
Pazida zolondola, kuzindikira kofooka kwa ma siginecha, ndi zida zina zowongolera zokha, nthawi zonse zimafunidwa kuti voteji ya op-amp ikhale yaying'ono osasintha ndi kutentha.Ma amplifiers otsika otsika kutentha amapangidwira izi.The OP07, OP27, AD508, ndi ICL7650, chopper-stabilized low-drift device yopangidwa ndi MOSFETs, ndi ena mwa amplifiers olondola kwambiri, otsika kwambiri omwe amagwiritsidwa ntchito masiku ano.

4, mtundu wothamanga kwambiri
Muchangu A/D ndi D/A converters ndi mavidiyo amplifiers, kutembenuka mlingo SR wa Integrated op-amp ayenera kukhala mkulu ndi bandiwifi unity-kupindula BWG ayenera kukhala yaikulu mokwanira monga general-cholinga Integrated op-amps si oyenera ntchito zothamanga kwambiri.Ma op-amps othamanga kwambiri amadziwika kwambiri ndi kutembenuka kwakukulu komanso kuyankha pafupipafupi.Op-amps wamba ndi LM318, μA715, etc., amene SR=50~70V/us, BWG>20MHz.

5,Mtundu wogwiritsa ntchito mphamvu zochepa.
Monga mwayi waukulu wa dera lamagetsi, kuphatikiza ndikupanga mabwalo ovuta kukhala ang'onoang'ono komanso opepuka, kotero pakukulitsidwa kwamitundu yosiyanasiyana ya zida zonyamula, ndikofunikira kugwiritsa ntchito magetsi ocheperako, kugwiritsa ntchito mphamvu zochepa za gawo la amplifier.Ma amplifiers omwe amagwiritsidwa ntchito kwambiri ndi TL-022C, TL-060C, etc., omwe mphamvu yake yogwiritsira ntchito ndi ± 2V ~ ± 18V, ndipo kumwa panopa ndi 50 ~ 250μA.Zogulitsa zina zafika pamlingo wa μW, mwachitsanzo, mphamvu ya ICL7600 ndi 1.5V, ndipo kugwiritsa ntchito mphamvu ndi 10mW, yomwe imatha kuyendetsedwa ndi batri imodzi.

6, High voteji ndi mkulu mphamvu mitundu
Mphamvu yamagetsi yama amplifiers ogwira ntchito imakhala yochepa kwambiri ndi magetsi.M'ma amplifiers ogwiritsira ntchito wamba, mphamvu yayikulu yotulutsa mphamvu nthawi zambiri imakhala ma volts ochepa chabe ndipo zotulutsa pano zimangokhala ma milliamp makumi angapo.Kuti muwonjezere voliyumu yotulutsa kapena kuti muwonjezere zotulutsa, op-amp yophatikizika iyenera kuwonjezeredwa kunja ndi dera lothandizira.Ma voliyumu apamwamba komanso ma op amp ophatikizika aposachedwa amatha kutulutsa ma voliyumu apamwamba komanso apamwamba kwambiri popanda kuzungulira kwina kulikonse.Mwachitsanzo, D41 Integrated Op-amp imatha kupereka ma voltages mpaka ± 150V ndipo μA791 Integrated Op-amp imatha kutulutsa mafunde otuluka mpaka 1A.

7,Programmable control mtundu
M'kati mwa zida, pali zovuta zosiyanasiyana.Kuti mupeze kutulutsa kwamagetsi kokhazikika, ndikofunikira kusintha kukulitsa kwa amplifier yogwira ntchito.Mwachitsanzo, amplifier yogwira ntchito imakhala ndi kukula kwa nthawi 10, pamene chizindikiro cholowera ndi 1mv, mphamvu yotulutsa ndi 10mv, pamene magetsi olowera ndi 0.1mv, zotsatira zake ndi 1mv, kuti mutenge 10mv, kukulitsa kuyenera kukhala adasinthidwa kukhala 100. Mwachitsanzo, PGA103A, poyang'anira mlingo wa pini 1,2 kuti musinthe kukulitsa.