LMV1012XP-25NOPB,LMV1012XP-25NOPB,LMV1012UP-20NOPB,LMV1012UP-20NOPB, 规格书,Datasheet 资料
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LMV1012LMV1012 Analog Series: Pre-Amplified IC's for High Gain 2-Wire Microphones
Literature Number: SNAS194G
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LMV1012AnalogSeries:
Pre-AmplifiedIC’sforHighGain2-WireMicrophones
GeneralDescriptionTheLMV1012isanaudioamplifierseriesforsmallformfactorelectretmicrophones.This2-wireportfolioisdesignedtoreplacetheJFETamplifiercurrentlybeingused.TheLMV1012seriesisideallysuitedforapplicationsrequiringhighsignalintegrityinthepresenceofambientorRFnoise,suchasincellularcommunications.TheLMV1012audioamplifiersareguaranteedtooperateovera2.2Vto5.0Vsupplyvoltagerangewithfixedgainsof7.8dB,15.6dB,20.9dB,and23.8dB.ThedevicesofferexcellentTHD,gainaccuracyandtemperaturestabilityascomparedtoaJFETmicrophone.TheLMV1012seriesenablesatwo-pinelectretmicrophonesolution,whichprovidesdirectpin-to-pincompatibilitywiththeexistingJFETmarket.Thedevicesareofferedinextremelythinspacesaving4-bumpmicroSMDpackages.TheLMV1012XPisdesignedfor1.0mmcanistersandthickerECMcanisters.Theseextremelyminiaturepackagesaredesignedforelectretcon-densermicrophones(ECM)formfactor.Features(TypicalLMV1012-15,2.2Vsupply,RL=2.2kΩ,C=2.2µF,VIN=18mVPP,unlessotherwisespecified)nSupplyvoltage2V-5VnSupplycurrent<180µAnSignaltonoiseratio(A-weighted)60dBnOutputvoltagenoise(A-weighted)−89dBVnTotalharmonicdistortion0.09%nVoltagegain—LMV1012-077.8dB—LMV1012-1515.6dB—LMV1012-2020.9dB—LMV1012-2523.8dBnTemperaturerange−40˚Cto85˚CnOfferedin4-bumpmicroSMDpackagesApplicationsnCellularphonesnHeadsetsnMobilecommunicationsnAutomotiveaccessoriesnPDAsnAccessorymicrophoneproducts
SchematicDiagram
20058701Built-InGainElectretMicrophone
20058702October2005LMV1012
Analog
Series
Pre-Amplified
IC’s
for
High
Gain
2-Wire
Microphones
©2005NationalSemiconductorCorporationDS200587www.national.com
芯天下--http://oneic.com/AbsoluteMaximumRatings(Note1)IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheNationalSemiconductorSalesOffice/Distributorsforavailabilityandspecifications.ESDTolerance(Note2)HumanBodyModel2500VMachineModel250VSupplyVoltageVDD-GND5.5VStorageTemperatureRange−65˚Cto150˚CJunctionTemperature(Note6)150˚CmaxMountingTemperatureInfraredorConvection(20sec.)235˚C
OperatingRatings(Note1)SupplyVoltage2Vto5VTemperatureRange−40˚Cto85˚C
2.2VElectricalCharacteristics(Note3)Unlessotherwisespecified,alllimitsguaranteedforTJ=25˚C,VDD=2.2V,VIN=18mV,RL=2.2kΩandC=2.2µF.Boldfacelimitsapplyatthetemperatureextremes.
SymbolParameterConditionsMin(Note4)Typ(Note5)Max(Note4)UnitsIDDSupplyCurrentVIN=GNDLMV1012-07139250300
µALMV1012-15180300325LMV1012-20160250300LMV1012-25141250300SNRSignaltoNoiseRatiof=1kHz,VIN=18mV,A-WeightedLMV1012-0759dBLMV1012-1560LMV1012-2061LMV1012-2561VINMaxInputSignalf=1kHzandTHD+N<1%LMV1012-07170mVPPLMV1012-15100LMV1012-2050LMV1012-2528VOUTOutputVoltageVIN=GNDLMV1012-071.651.541.902.032.09
VLMV1012-151.541.481.811.942.00LMV1012-201.651.551.852.032.13LMV1012-251.651.491.902.022.18fLOWLower−3dBRollOffFrequencyRSOURCE=50Ω65HzfHIGHUpper−3dBRollOffFrequencyRSOURCE=50Ω95kHzenOutputNoiseA-WeightedLMV1012-07−96dBVLMV1012-15−89LMV1012-20−84LMV1012-25−82THDTotalHarmonicDistortionf=1kHz,VIN=18mVLMV1012-070.10%LMV1012-150.09LMV1012-200.12LMV1012-250.15CINInputCapacitance2pFZINInputImpedance>1000GΩLMV1012AnalogSeries
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芯天下--http://oneic.com/2.2VElectricalCharacteristics(Note3)(Continued)Unlessotherwisespecified,alllimitsguaranteedforTJ=25˚C,VDD=2.2V,VIN=18mV,RL=2.2kΩandC=2.2µF.Boldfacelimitsapplyatthetemperatureextremes.
SymbolParameterConditionsMin(Note4)Typ(Note5)Max(Note4)UnitsAVGainf=1kHz,RSOURCE=50ΩLMV1012-076.45.57.89.510.0
dBLMV1012-1514.013.115.616.917.5LMV1012-2019.517.420.922.023.3LMV1012-2522.521.423.825.025.7
5VElectricalCharacteristics(Note3)Unlessotherwisespecified,alllimitsguaranteedforTJ=25˚C,VDD=5V,VIN=18mV,RL=2.2kΩandC=2.2µF.Boldfacelimitsapplyatthetemperatureextremes.
SymbolParameterConditionsMin(Note4)Typ(Note5)Max(Note4)UnitsIDDSupplyCurrentVIN=GNDLMV1012-07158250300
µALMV1012-15200300325LMV1012-20188260310LMV1012-25160250300SNRSignaltoNoiseRatiof=1kHz,VIN=18mV,A-WeightedLMV1012-0759dBLMV1012-1560LMV1012-2061LMV1012-2561VINMaxInputSignalf=1kHzandTHD+N<1%LMV1012-07170mVPPLMV1012-15100LMV1012-2055LMV1012-2528VOUTOutputVoltageVIN=GNDLMV1012-074.454.384.654.804.85
VLMV1012-154.344.284.564.744.80LMV1012-204.404.304.584.754.85LMV1012-254.454.394.654.834.86fLOWLower−3dBRollOffFrequencyRSOURCE=50Ω67HzfHIGHUpper−3dBRollOffFrequencyRSOURCE=50Ω150kHzenOutputNoiseA-WeightedLMV1012-07−96dBVLMV1012-15−89LMV1012-20−84LMV1012-25−82THDTotalHarmonicDistortionf=1kHz,VIN=18mVLMV1012-070.12%LMV1012-150.13LMV1012-200.18LMV1012-250.21LMV1012
Analog
Series
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