电压比较器_lm393

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1、INTEGRATEDCIRCUITSLM193A/293/A/393/A/2903LowpowerdualvoltagecomparatorProductdata2002Jul12Supersedesdataof2002Jan22Ps
onosPhilipsSemiconductorsProductdataLowpowerdualvoltagecomparatorLM193A/293/A/393/A/2903DESCRIPTIONPINCONFIGURATIONTheLM193seriesconsistsoftwoindependentpre

2、cisionvoltagecomparatorswithanoffsetvoltagespecificationaslowas2.0mVD,DP,andNPackagesmax.fortwocomparatorswhichweredesignedspecificallytooperatefromasinglepowersupplyoverawiderangeofvoltages.Operationfromsplitpowersuppliesisalsopossible,andthelowOUTPUTA18V+powersupplycurrentdrainisindepe

3、ndentofthemagnitudeofthepowersupplyvoltage.ThesecomparatorsalsohaveauniqueINVERTINGINPUTA2AB7OUTPUTBcharacteristicinthattheinputcommon-modevoltagerangeincludesground,eventhoughoperatedfromasinglepowersupplyvoltage.NON-INVERTINGINPUTA36INVERTINGINPUTBTheLM193serieswasdesignedtodirectlyint

4、erfacewithTTLandGND45NON-INVERTINGINPUTBCMOS.Whenoperatedfrombothplusandminuspowersupplies,theLM193serieswilldirectlyinterfacewithMOSlogicwheretheirlowpowerdrainisadistinctadvantageoverstandardcomparators.TOPVIEWSL00079FEATURESFigure1.Pinconfiguration.·Widesinglesupplyvoltagerange2.0VDCt

5、o32VDC,ordualsupplies±1.0VDC,to±16VDC·Verylowsupplycurrentdrain(0.8mA)independentofsupplyvoltage(2.0mW/comparatorat5.0VEQUIVALENTCIRCUITDC)·Lowinputbiasingcurrent25nA+V·Lowinputoffsetcurrent±5nAandoffsetvoltage±2mV·3.5mA100mA3.5mA100mAInputcommon-modevoltagerangeincludesground·Differenti

6、alinputvoltagerangeequaltothepowersupplyvoltage·Lowoutput250mVat4mAsaturationvoltage·OutputvoltagecompatiblewithTTL,DTL,ECL,MOSandCMOSQ2Q3logicsystems+INPUTQ1Q4OUTPUTAPPLICATIONS–INPUTQ8·A/DconvertersQ7·Q5Q6WiderangeVCO·MOSclockgenerator·Highvoltagelogicgate(OneComparatorOnly)SL00080·Mul

7、tivibratorsFigure2.Equivalentcircuit.ORDERINGINFORMATIONDESCRIPTIONTEMPERATURERANGEORDERCODEDWG#8-PinPlasticDualIn-LinePackage(DIP)–55°Cto+125°CLM193ANSOT97-18-PinPlasticSmallOutline(SO)Package–25°Cto+85°CLM293DSOT96-18-PinPlasticDualIn-LinePackage(DIP)–25°Cto+85°CLM293NS