Texas Instruments LPV811 Handleiding
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Offset Voltage (µV)
C002
21492 Amplifiers
1 M
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Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LPV811,LPV812
SNOSD33B–NOVEMBER2016–REVISEDNOVEMBER2016
LPV811/LPV812Precision425nANanopowerOperationalAmplifiers
1
1Features
1
•NanopowerSupplyCurrent:425nA/channel
•OffsetVoltage:300µV(max)
•TcVos:1µV/°C
•Gain-Bandwidth:8kHz
•Unity-GainStable
•LowInputBiasCurrent:100fA
•WideSupplyRange:1.6Vto5.5V
•Rail-to-RailOutput
•NoOutputReversals
•EMIProtection
•TemperatureRange:–40°Cto125°C
•IndustryStandardPackages:
–Singlein5-pinSOT-23
–Dualin8-pinVSSOP
2Applications
•COandO
2
GasDetectors(TIDA-0756)
•PIRMotionDetectors
•CurrentSensing
•Thermostats
•IoTRemoteSensors
•ActiveRFIDReadersandTags
•PortableMedicalEquipment
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
3Description
TheLPV811(single)andLPV812(dual)areaultra-
low-powerprecisionoperationalamplifierfamilyfor
“AlwaysON”sensingapplicationsinbatterypowered
wirelessandlowpowerwiredequipment.With8kHz
ofbandwidthfrom425nAofquiescentcurrentanda
trimmedoffsetvoltagetounder300µV,theLPV81x
amplifiersprovidetherequiredprecisionwhile
minimizingpowerconsumptioninequipmentsuchas
gasdetectorsandportableelectronicdeviceswhere
operationalbattery-lifeiscritical.
Inadditiontobeingultra-low-power,theLPV81x
amplifiershaveCMOSinputstageswithfempto-amp
biascurrentsforimpedancesourceapplications.The
LPV81xamplifiersalsofeatureanegative-railsensing
inputstageandarail-to-railoutputstagethatswings
withinmillivoltsoftherails,maintainingthewidest
dynamicrangepossible.EMIprotectionisdesigned
intotheLPV81xinordertoreducesystemsensitivity
tounwantedRFsignalsfrommobilephones,WiFi,
radiotransmitters,andtagreaders.
DeviceInformation
(1)
PART
NUMBER
PACKAGEBODYSIZE
LPV811SOT-23(5)2.90mmx1.60mm
LPV812VSSOP(8)3.00mm×3.00mm
LPV8xxFamilyofNanopowerAmplifiers
PART
NUMBER
CHANNELS
SUPPLY
CURRENT
(Typ/Ch)
OFFSET
VOLTAGE
(Max)
LPV8011500nA3.5mV
LPV8022320nA3.5mV
LPV8111450nA370µV
LPV8122425nA300µV
Figure1.NanopowerCOSensorFigure2.LPV812OffsetVoltageDistribution
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LPV811 |
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