Texas Instruments LMV981-N Bedienungsanleitung

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Copyright © 2016,Texas Instruments Incorporated

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Copyright © 2016, Texas Instruments Incorporated

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMV981-N

,

LMV982-N

SNOS976M–NOVEMBER2001–REVISEDSEPTEMBER2016

LMV98x-NSmall,Low-Power,1.8-VRRIOOperationalAmplifiersWithShutdown

1

1Features

1

•Ensured1.8-V,2.7-V,and5-VSpecifications

•OutputSwing:

–600-ΩLoad:80-mVfromRail

–2-kΩLoad:30-mVfromRail

•V

CM

200mVBeyondRails

•SupplyCurrent(PerChannel):100µA

•GainBandwidthProduct:1.4MHz

•MaximumV

OS

:4mV

•Gainwith600-ΩLoad:101dB

•Ultra-SmallPackage:DSBGA1.0mm×1.5mm

•TurnonTimefromShutdown:19µs

•IndependentShutdownonDual

•TemperatureRange:−40°Cto125°C

2Applications

•IndustrialandAutomotive

•ConsumerCommunication

•FitnessTrackers

•Wearables

•MobilePhones

•PortableAudio

•PortableandBattery-PoweredElectronic

Equipment

•SupplyCurrentMonitoring

•BatteryMonitoring

3Description

LMV98x-Narelow-voltage,low-poweroperational

amplifiers.LMV98x-Noperatefrom1.8-Vto5-V

supplyvoltagesandhaverail-to-railinputandoutput.

LMV98x-Ninputcommonmodevoltageextends

200mVbeyondthesupplieswhichenablesuser

enhancedfunctionalitybeyondthesupplyvoltage

range.Theoutputcanswingrail-to-railunloadedand

within105mVfromtherailwith600-Ωloadat1.8-V

supply.LMV98x-Nareoptimizedtoworkat1.8V,

whichmakesthemidealforportabletwo-cellbattery

poweredsystemsandsinglecellLi-Ionsystems.

LMV98x-Nofferashutdownpinthatcanbeusedto

disablethedeviceandreducethesupplycurrent.The

deviceisinshutdownwhentheSHDNpinislow.The

outputishighimpedanceinshutdown.

LMV98x-Nexhibitexcellentspeed-powerratio,

achieving1.4-MHzgainbandwidthproductat1.8-V

supplyvoltagewithlowsupplycurrent.LMV98x-Nare

capableofdrivinga600-Ωloadandupto1000-pF

capacitiveloadwithminimalringing.LMV98x-Nhave

ahighDCgainof101dB,makingthemsuitablefor

lowfrequencyapplications.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMV981-N

DSBGA(6)1.50mm×1.30mm

SC70(6)2.00mm×1.25mm

SOT-23(6)2.90mm×1.60mm

LMV982-NVSSOP(10)3.00mm×3.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalApplicationSimplifiedSchematic

Produktspezifikationen