Texas Instruments LMV841 Handleiding

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SENSOR

R

S

V

S

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Active Band-Pass Filter

High Impedance Sensor Interface

CMOS Input Feature

High-Side, Current-Sensing

Rail-to-Rail Input and Output Feature

V

IN

LOAD

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R

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMV841

,

LMV842

,

LMV844

SNOSAT1I–OCTOBER2006–REVISEDOCTOBER2017

LMV84xCMOSInput,RRIO,LowPower,WideSupplyRange,

4.5-MHzOperationalAmplifiers

1

1Features

1

•UnlessOtherwiseNoted,TypicalValuesat

T

A

=25°C,V

+

=5V.

•Small5-PinSC70Package(2.00mm×1.25mm

×0.95mm)

•WideSupplyVoltageRange:2.7Vto12V

•SpecifiedPerformanceat3.3V,5Vand±5V

•LowSupplyCurrent:1mAPerChannel

•UnityGainBandwidth:4.5MHz

•Open-LoopGain:133dB

•InputOffsetVoltage:500µVMaximum

•InputBiasCurrent:0.3pA

•CMRRat112dBandPSSRat108dB

•InputVoltageNoise:20nV/√Hz

•TemperatureRange:−40°Cto125°C

•Rail-to-RailInputandOutput(RRIO)

2Applications

•HighImpedanceSensorInterface

•Battery-PoweredInstrumentation

•HighGainandInstrumentationAmplifiers

•DACBuffersandActiveFilters

3Description

TheLMV84xdevicesarelow-voltageandlow-power

operationalamplifiersthatoperatewithsupply

voltagesrangingfrom2.7Vto12Vandhaverail-to-

railinputandoutputcapability.Theirlowoffset

voltage,lowsupplycurrent,andCMOSinputsmake

themidealforhighimpedancesensorinterfaceand

battery-poweredapplications.

ThesingleLMV841isofferedinthespace-saving5-

pinSC70package,thedualLMV842inthe8-pin

VSSOPand8-pinSOICpackages,andthequad

LMV844inthe14-pinTSSOPand14-pinSOIC

packages.Thesesmallpackagesareidealsolutions

forarea-constrainedPCBsandportableelectronics.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMV841SC70(5)2.00mm×1.25mm

LMV842

VSSOP(8)3.00mm×3.00mm

SOIC(8)4.90mm×3.91mm

LMV844

SOIC(14)8.65mm×3.91mm

TSSOP(14)5.00mm×4.40mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalApplications

Product specificaties