Texas Instruments LMV1012 Handleiding
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OUTPUT
GND
INPUT
-
+
2.2k
2.2PF
V
DD
-
+
DIAPHRAGM
AIRGAP
BACKPLATE
ELECTRET
CONNECTOR
LMV1012
x
x
x
x
x
x
x
x
xxx
x
xx
xx
IC
LMV1012
www.ti.com
SNAS194H–NOVEMBER2002–REVISEDMAY2013
LMV1012AnalogSeries:Pre-AmplifiedIC'sforHighGain2-WireMicrophones
CheckforSamples:LMV1012
1
FEATURES
DESCRIPTION
TheLMV1012isanaudioamplifierseriesforsmall
2
•TypicalLMV1012-15,2.2VSupply,R
L
=2.2kΩ,
formfactorelectretmicrophones.This2-wireportfolio
C=2.2μF,V
IN
=18mV
PP
,UnlessOtherwise
isdesignedtoreplacetheJFETamplifiercurrently
Specified
beingused.TheLMV1012seriesisideallysuitedfor
•SupplyVoltage:2V-5V
applicationsrequiringhighsignalintegrityinthe
presenceofambientorRFnoise,suchasincellular
•SupplyCurrent:<180μA
communications.TheLMV1012audioamplifiersare
•SignaltoNoiseRatio(A-Weighted):60dB
specifiedtooperateovera2.2Vto5.0Vsupply
•OutputVoltageNoise(A-Weighted):−89dBV
voltagerangewithfixedgainsof7.8dB,15.6dB,
•TotalHarmonicDistortion:0.09%
20.9dB,and23.8dB.Thedevicesofferexcellent
THD,gainaccuracyandtemperaturestabilityas
•VoltageGain
comparedtoaJFETmicrophone.
–LMV1012-07:7.8dB
TheLMV1012seriesenablesatwo-pinelectret
–LMV1012-15:15.6dB
microphonesolution,whichprovidesdirectpin-to-pin
–LMV1012-20:20.9dB
compatibilitywiththeexistingJFETmarket.
–LMV1012-25:23.8dB
Thedevicesareofferedinextremelythinspace
•TemperatureRange:−40°Cto85°C
saving4-bumpDSBGApackages.TheLMV1012XP
isdesignedfor1.0mmcanistersandthickerECM
•Offeredin4-BumpDSBGAPackages
canisters.Theseextremelyminiaturepackagesare
designedforelectretcondensermicrophones(ECM)
APPLICATIONS
formfactor.
•CellularPhones
•Headsets
•MobileCommunications
•AutomotiveAccessories
•PDAs
•AccessoryMicrophoneProducts
SchematicDiagramBuilt-InGainElectretMicrophone
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2002–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMV1012 |
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