Texas Instruments LM96080 Bedienungsanleitung

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LM96080

www.ti.com

SNAS465D–SEPTEMBER2009–REVISEDMARCH2013

LM96080SystemHardwareMonitorwith2-WireSerialInterface

CheckforSamples:LM96080

1

FEATURES

DESCRIPTION

LM96080,compatibletoLM80,isahardwaremonitor

2

•LocalTemperatureSensing

thatcontainsa10-bitdelta-sigmaADCcapableof

•7PositiveVoltageInputswith10-bit

measuring7positivevoltagesandlocaltemperature.

Resolution

TheLM96080alsomeasuresthespeedoftwofans

•2ProgrammableFanSpeedMonitoringInputs

andincludesotherhardwaremonitoringonanI

2

C®

interface.TheLM96080includesasequencerthat

•2.5mVLSband2.56VInputRange

performsWATCHDOGwindowcomparisonsofall

•ChassisIntrusionDetectorInput

measuredvaluesanditsinterruptoutputsbecome

•WATCHDOGComparisonofAllMonitored

activewhenanyvaluesexceedtheprogrammed

Values

limits.

•SeparateInputtoShowStatusinInterrupt

TheLM96080isespeciallysuitedtointerfacetoboth

StatusRegisterofAdditionalExternal

linearanddigitaltemperaturesensors.The2.5mV

TemperatureSensorsSuchastheLM26/27,

LSb(leastsignificantbit)and2.56voltinputrangeis

idealforacceptinginputsfromalinearsensorsuch

LM56/57,LM73,orLM75

astheLM94022.TheBTIisusedasaninputfrom

•I

2

CSerialBusInterfaceCompatibility,

eitherdigitalorthermostatsensorssuchasLM73,

SupportsStandardMode,100kbits/s,andFast

LM75,LM56,LM57,LM26,LM27,LM26LV,orother

Mode,400kbits/s

LM96080.

•ShutdownModetoMinimizePower

TheLM96080supportsStandardMode(Sm,100

Consumption

kbits/s)andFastMode(Fm,400kbits/s)I

2

Cinterface

•ProgrammableRST_OUT/OSPin:RST_OUT

modesofoperation.LM96080includesananalog

ProvidesaResetOutput;OSProvidesan

filterontheI

2

Cdigitalcontrollinesthatallows

InterruptOutputActivatedbyan

improvednoiseimmunityandsupportsTIMEOUT

OvertemperatureShutdownEvent

resetfunctiononSDAandSCLthatpreventsI

2

Cbus

lockup.ThreeI

2

Cdeviceaddresspinsallowupto8

•SoftwareandPinCompatiblewiththeLM80

partsonasinglebus.

APPLICATIONS

TheLM96080's3.0Vto5.5Vsupplyvoltagerange,

lowsupplycurrent,andI

2

Cinterfacemakeitidealfor

•CommunicationsInfrastructure

awiderangeofapplications.Operationisensured

•SystemThermalandHardwareMonitoringfor

overthetemperaturerangeof(−40)°C≤T

A

≤

Servers

+125°C.TheLM96080isavailableina24-pin

TSSOPpackage.

•ElectronicTestEquipmentand

Instrumentation

•OfficeElectronics

KEYSPECIFICATIONS

•TotalUnadjustedError±1%FS(Max)

•DifferentialNon-Linearity±1Lsb(Max)

•SupplyVoltageRange+3.0Vto+5.5V

•SupplyCurrent(Operating)0.370mATyp

•SupplyCurrent(Shutdown)0.330mATyp

•ADCResolution10Bits

•TemperatureResolution0.5°C/0.0625°C

•TemperatureAccuracy±3°C(Max)

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2009–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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