Texas Instruments LMV1091 Handleiding
Pagina's 22 Niet gecategoriseerd
Bekijk de handleiding van Texas Instruments LMV1091 gratis online of download de PDF. Deze handleiding is 1 keer bekeken. Vraag over dit model? Stel een vraag
LMV1091
www.ti.com
SNAS481C–OCTOBER2009–REVISEDMAY2013
LMV1091DualInput,FarFieldNoiseSuppressionMicrophoneAmplifier
CheckforSamples:LMV1091
1
FEATURES
DESCRIPTION
TheLMV1091isafullyanalogdualdifferentialinput,
2
•NoLossofVoiceIntelligibility
differentialoutput,microphonearrayamplifier
•LowPowerConsumption
designedtoreducebackgroundacousticnoise,while
•ShutdownFunction
deliveringsuperbspeechclarityinvoice
communicationapplications.
•NoaddedProcessingDelay
•DifferentialOutputs
TheLMV1091preservesnear-fieldvoicesignals
within4cmofthemicrophoneswhilerejectingfar-field
•Adjustable12-54dBGain
acousticnoisegreaterthan50cmfromthe
•ExcellentRFImmunity
microphones.Upto20dBoffar-fieldrejectionis
•Availableina25–BumpDSBGAPackage
possibleinaproperlyconfiguredandusing±0.5dB
matchedmicropohones.
APPLICATIONS
PartofthePowerwise™familyofenergyefficient
•MobileHeadset
solutions,theLMV1091consumesonly600μAof
supplycurrentprovidingsuperiorperformanceover
•MobileandHandheldTwo-wayRadios
DSPsolutionsconsuminggreaterthantentimesthe
•BluetoothandOtherPoweredHeadsets
power.
•Hand-heldVoiceMicrophones
Thedualmicrophoneinputsandtheprocessedsignal
outputaredifferentialtoprovideexcellentnoise
KEYSPECIFICATIONS
immunity.Themicrophonesarebiasedwithan
internallow-noisebiassupply.
•FarFieldNoiseSuppressionElectrical(FFNS
E
atf=1kHz):34dB(typ)
•SNRI
E
:26dB(typ)
•SupplyVoltage:2.7Vto5.5V
•SupplyCurrent:600μA(typ)
•StandbyCurrent:0.1μA(typ)
•Signal-to-NoiseRatio(Voiceband):65dB(typ)
•TotalHarmonicDistortion+Noise:0.1%(typ)
•PSRR(217Hz):99dB(typ)
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2009–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMV1091 |
Heb je hulp nodig?
Als je hulp nodig hebt met Texas Instruments LMV1091 stel dan hieronder een vraag en andere gebruikers zullen je antwoorden