Texas Instruments LPV542 Bedienungsanleitung

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1.522.533.544.555.5

Supply Current per Channel (nA/Ch)

Supply Voltage (V)

125°C

85°C

25°C

0°C

-40°C

C001

V

CM

= 0.3V

OXYGEN SENSOR

100 M

+

1 M

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LPV542

SNOSCX9A–MARCH2015–REVISEDNOVEMBER2015

LPV542DualNanopower1.8V,490nA,RRIOCMOSOperationalAmplifier

1Features3Description

TheLPV542isanultra-low-power,dualoperational

1

•WideSupplyRange:1.6Vto5.5V

amplifierthatprovides8kHzofbandwidthfrom490nA

•LowSupplyCurrent:490nA(typical/channel)

ofquiescentcurrentmakingitwellsuitedforbattery-

•GoodOffsetVoltage:3mV(maximum/room)

poweredapplicationssuchashealthandfitness

wearables,buildingautomation,andremotesensing

•GoodTcVos:1µV/°C(typical)

nodes.

•Gain-Bandwidth:8kHz(typical)

EachamplifierhasaCMOSinputstagewithpico-

•Rail-to-RailInputandOutput

ampbiascurrentswhichreduceserrorscommonly

•Unity-GainStable

introducedinmegaohmfeedbackresistance

•LowInputBiasCurrent:1pA(typ)

topologiessuchasphotodiodeandchargesense

applications.Inaddition,theinputcommon-mode

•EMIHardened

rangeextendstothepowersupplyrailsandthe

•TemperatureRange:-40°Cto125°C

outputswingstowithin3mVoftherails,maintaining

•Thin3mmx3mmx0.45mmX1SONpackage

thewidestdynamicrangepossible.Likewise,EMI

protectionisdesignedintotheLPV542inorderto

2Applications

reducesystemsensitivitytounwantedRFsignals

frommobilephones,WiFi,radiotransmitters,andtag

•Wearables

readers.

•PersonalHealthMonitors

TheLPV542operatesonasupplyvoltageaslowas

•BatteryPacks

1.6V,ensuringcontinuoussuperiorperformancein

•MobilePhonesandTablets

lowbatterysituations.Thedeviceisavailableinan8-

•Solar-PoweredorEnergyHarvestedSystems

pad,low-profile,leadless3mmx3mmx0.45mm

X1SONpackageandastandard8pinVSSOP.

•PIR,Smoke,Gas,andFireDetectionSystems

•BatteryPoweredInternetofThings(IoT)Devices

DeviceInformation

(1)

•RemoteSensors

PARTNUMBERPACKAGEBODYSIZE(NOM)

•MicropowerReferenceBuffer

X1SON(8)3.00mmx3.00mm

LPV542

VSSOP(8)3.00mm×3.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

space

space

NanopowerOxygenSensorAmplifierSupplyCurrentvs.SupplyVoltage

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Produktspezifikationen