Texas Instruments LM4880 Bruksanvisning
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LM4880
www.ti.com
SNAS103C–NOVEMBER1995–REVISEDMAY2013
LM4880Dual250mWAudioPowerAmplifierwith
ShutdownMode
CheckforSamples:LM4880
1
FEATURES
DESCRIPTION
TheLM4880isadualaudiopoweramplifiercapable
2
•NoBootstrapCapacitorsorSnubberCircuits
ofdeliveringtypically250mWperchannelof
areNecessary
continuousaveragepowertoan8Ωloadwith0.1%
•SmallOutline(SOIC)andPDIPPackaging
THD+Nusinga5Vpowersupply.
•Unity-GainStable
Boomeraudiopoweramplifiersweredesigned
•ExternalGainConfigurationCapability
specificallytoprovidehighqualityoutputpowerwitha
minimalamountofexternalcomponentsusing
APPLICATIONS
surfacemountpackaging.
•HeadphoneAmplifier
SincetheLM4880doesnotrequirebootstrap
capacitorsorsnubbernetworks,itisoptimallysuited
•PersonalComputers
forlow-powerportablesystems.
•CD-ROMPlayers
TheLM4880featuresanexternallycontrolled,low-
powerconsumptionshutdownmode,aswellasan
KEYSPECIFICATIONS
internalthermalshutdownprotectionmechanism.
•THD+Nat1kHzat200mWContinuousAverage
Theunity-gainstableLM4880canbeconfiguredby
OutputPowerinto8Ω:0.1%(max)
externalgain-settingresistors.
•THD+Nat1kHzat85mWContinuousAverage
OutputPowerinto32Ω:0.1%(typ)
•OutputPowerat10%THD+Nat1kHzinto8Ω
325mW(typ)
•ShutdownCurrent0.7µA(typ)
•2.7Vto5.5VSupplyVoltageRange
ConnectionDiagram
Figure1.SmallOutlineandPDIPPackages-TopView
SeePackageNumberD0008AforSOIC
orPackageNumberP0008EforPDIP
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©1995–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LM4880 |
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