www.德州仪器.com
描述(持续)
GND2
1
2
3
4
8
7
6
5
V
CC1
在
V
CC1
GND1
V
CC2
输出
GND2
分开
iso721,iso721m
SLLS629A–JANUARY2006–REVISEDJANUARY2006
thesedeviceshavelimitedbuilt-inesdprotection.theleadsshouldbeshortedtogetherorthedevice
placedinconductivefoamduringstorageorhandlingtopreventelectrostaticdamagetothemosgates.
thesymmetryofthedielectricandcapacitorwithintheintegratedcircuitryprovidesforclosecapacitivematching,
andallowsfasttransientvoltagechangesbetweentheinputandoutputgroundswithoutcorruptingtheoutput.
Thesmallcapacitanceandresultingtimeconstantprovideforfastoperationwithsignalingrates
(1)
from0Mbps
(直流)to100mbpsfortheiso721,and0mbpsto150mbpswiththeiso721m.
thesedevicesrequiretwosupplyvoltagesof3.3-v,5-v,oranycombination.allinputsare5-vtolerantwhen
suppliedfroma3.3-vsupplyandalloutputsare4-macmos.
theiso721hasttlinputthresholdsandanoise-filterattheinputthatpreventstransientpulsesofupto2nsin
durationfrombeingpassedtotheoutputofthedevice.
TheISO721MhasCMOSV
CC
/2inputthresholds,butdoesnothavethenoise-filterandtheadditional
propagationdelay.thesefeaturesoftheiso721malsoprovideforreducedjitteroperation.
TheISO721andISO721Marecharacterizedforoperationovertheambienttemperaturerangeof–40°Cto
125°c.
(1)thesignalingrateofalineisthenumberofvoltagetransitionsthataremadepersecondexpressedin
theunitsbps(bitspersecond).
PACKAGEPINASSIGMENTS
iso721d,iso721md
(topview)
ORDERINGINFORMATION
INPUTNOISEPACKAGEMARKED
PRODUCTPACKAGE
(1)
ORDERINGNUMBERGREEN
THRESHOLDSFILTERDESIGNATORAS
iso721d(栏杆)
iso721ttlyessoic-8diso721
iso721dr(卷轴)
PbFree
sb/brfree
iso721md(栏杆)
iso721mcmosnosoic-8dis721m
iso721mdr(卷轴)
(1)forthemostcurrentpackageandorderinginformation,seethepackageoptionaddendumattheendofthisdocument,orseetheti
Websiteatwww.德州仪器.com.
REGULATORYINFORMATION
VDECSAUL
ApprovedunderCSAComponentRecognizedunder1577
certifiedaccordingtoiec60747-5-2
AcceptanceNoticeComponentRecognitionProgram
(1)
filenumber:40014131filenumber:1698195filenumber:181974
(1)productiontested
≥
3000V
RMS
for1secondinaccordancewithul1577.
2
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