Texas Instruments LPV801 Handleiding

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Design

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LPV801,LPV802

SNOSCZ3B–AUGUST2016–REVISEDNOVEMBER2016

LPV801/LPV802320nANanopowerOperationalAmplifiers

1

1Features

1

•NanopowerSupplyCurrent:320nA/channel

•OffsetVoltage:3.5mV(max)

•TcVos:1µV/°C

•UnityGain-Bandwidth:8kHz

•WideSupplyRange:1.6Vto5.5V

•LowInputBiasCurrent:0.1pA

•Unity-GainStable

•Rail-to-RailOutput

•NoOutputReversals

•EMIProtection

•TemperatureRange:–40°Cto125°C

•IndustryStandardPackages:

–Singlein5-pinSOT-23

–Dualin8-pinVSSOP

2Applications

•COandO

2

GasDetectors(TIDA-00854)

•PIRMotionDetectors(TIDA-00489)

•IonizationSmokeAlarms

•Thermostats

•IoTRemoteSensors

•ActiveRFIDReadersandTags

•PortableMedicalEquipment

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

3Description

TheLPV801(single)andLPV802(dual)comprisea

familyofultra-low-poweroperationalamplifiersfor

sensingapplicationsinbatterypoweredwirelessand

lowpowerwiredequipment.With8kHzofbandwidth

from320nAofquiescentcurrent,theLPV80x

amplifiersminimizepowerconsumptioninequipment

suchasCOdetectors,smokedetectorsandPIR

motiondetectorswhereoperationalbattery-lifeis

critical.

Inadditiontobeingultra-low-power,theLPV80x

amplifiershaveCMOSinputstageswithtypically

femto-ampbiascurrents.TheLPV80xamplifiersalso

featureanegative-railsensinginputstageandarail-

to-railoutputstagethatiscapableofswingingwithin

millivoltsoftherails,maintainingthewidestdynamic

rangepossible.EMIprotectionisdesignedintothe

LPV80xinordertoreducesystemsensitivityto

unwantedRFsignalsfrommobilephones,WiFi,radio

transmittersandtagreaders.

DeviceInformation

(1)

PART

NUMBER

PACKAGEBODYSIZE

LPV801SOT-23(5)2.90mmx1.60mm

LPV802VSSOP(8)3.00mm×3.00mm

LPV8xxFamilyofNanopowerAmplifiers

PART

NUMBER

CHANNELS

SUPPLY

CURRENT

(Typ/Ch)

OFFSET

VOLTAGE

(Max)

LPV8011450nA3.5mV

LPV8022320nA3.5mV

LPV8111450nA370µV

LPV8122425nA300µV

NanopowerAmplifierinElectrochemicalSensorNanopowerAmplifierinPIRMotionDetector

Product specificaties