LM1036 Dual DC Operated Tone/Volume/Balance …

1 JAN1995 REVISEDAPRIL2013LM1036 DualDCOperatedTone/ volume /BalanceCircuit CheckforSamples:LM10361 FEATURESDESCRIPTIONTheLM1036isa DCcontrolledtone(bass/treble),2 WideSupplyVoltageRange,9 Vto16 Vvolumeandbalancecircuitforstereoapplica tionsin LargeVolumeControlRange,75dBTypicalcarra dio, ToneControl, 15dBTypicalcontrolinputallowsloudnesscom pensationtobesimplyeffected. ChannelSeparation,75dBTypical LowDistortion, ,treble, , HighSignaltoNoise,80dBTypicalforanaltern atively, zenerregulatedsupplyprovidedonthe ,standardwarranty,andusein 1995 2013 , JAN1995 (1)(2)SupplyVoltage16 VControlPinVoltage(Pins4,7,9,12,14)VCCO peratingTemperatureRange0 C to+70 CStorageTemperatureRange 65 C to+150 CPowerDissipation1 WLeadTemp.

2 (Soldering,10seconds)260 C(1) functional,butdonotensurespecificperform ancelimits.(2)If Military/Aerospacespecifieddevicesarereq uired, (1)VCC=12V,TA=25 C (unlessotherwisestated) ,13;f=1kHzVCC=9V, ,19;f=1kHz, 10dBInputResistancePins2,19;f=1kHz2030k OutputResistancePins8,13;f=1kHz20 MaximumGainV(Pin12)=V(Pin17);f=1kHz 202dBVolumeControlRangef=1kHz7075dBGainT rackingf=1kHzChannel1 Channel20 dBthrough 40dB13dB 40dBthrough 60dB2dBBalanceControlRangePins8,13;f=1kH z1dB 26 20dBBassControlRange(2)f=40Hz,Cb= FV(Pin14)=V(Pin17)121518dBV(Pin14)=0V 12 15 18dBTrebleControlRange(2)f=16kHz,Ct,= FV(Pin4)=V(Pin17)121518dBV(Pin4)=0V 12 15 18dBTotalHarmonicDistortionf=1kHz,VIN= ,MaximumGain6075dB(1)Themaximumpermissib leinputlevelis (2)Thetonecontrolrangeis definedbycapacitorsCbandCt.

3 1995 2013 , JAN1995 REVISEDAPRIL2013 ElectricalCharacteristics(1)(continued)V CC=12V,TA=25 C (unlessotherwisestated)ParameterConditio nsMinTypMaxUnitsSignal/NoiseRatioUnweigh ted100Hz 20kHz80dBMaximumGain,0 dB= (3)Gain=0dB,VIN= 20dB,VIN= (3)1016 VSupplyRippleRejection200mVrms,1 kHzRipple3550dBControlInputCurrentsPins4 ,7,9,12,14(V=0V) AFrequencyResponse 1 dB(FlatResponse250kHz20Hz 16kHz)(3)Gaussiannoise,measuredovera periodof50msperchannel,witha CCIR filterreferencedto2 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 (GainvsFrequency) (GainvsFrequency) 1995 2013 , JAN1995 REVISEDAPRIL2013 TypicalPerformanceCharacteristics(contin ued) 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 (treble)andCb(bass).

4 Thetoneresponsesaredefinedbytherelations hips:where ab=at=0formaximumbassandtrebleboostrespe ctively ab=at=1formaximumcut(1) F F asshownintheApplicationCircuit, zenervoltage(pin17= )is DClevelofonehalfofthezenervoltageontheco ntrolinputs,pins4,9,and14,resultsin thisis thecase, simpleloudnesscompensationmaybeeffectedb yapplyinga Thereisnoloudnesscompensationwhenpin7 canbeconnectedtopin12togivetheloudnessco mpensatedvolumecharacteristicasillustrat edwithouttheadditionoffurtherexternalcom ponents.(Tonesettingsareforflatresponse, CbandCtasgiveninApplicationCircuit.)

5 Modificationtotheloudnesscharacteristici spossiblebychangingthecapacitorsCbandCtf ora differentbasicresponseor,bya resistornetworkbetweenpins7 and12fora carriedoutintwostages,controlledbytheDCv oltageonpin12,toimprovesignalhandlingcap abilityandprovidea beforethetonecontrolprocessingandprovide saninitial15dBofgainreduction,soensuring thatthetonesectionsarenotoverdrivenbylar geinputlevelswhenoperatingwitha Vrms,VCC=12V( ,VCC=9V).Atreducedgain(< 6 dB)theinputstagewilloverloadif ,VCC=12V( ,VCC=9V).Asthereis volumecontrolontheinputstages,theinputsm aybeoperatedwitha loweroverloadmarginthanwouldotherwisebea cceptable,allowinga possibleimprovementin 1995 2013 , JAN1995 REVISEDAPRIL2013 ApplicationCircuitCopyright 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 dualDCcontrolledbass,treble, , , thedatasheet,basicallyforanincreasein thetreblecontrolrangeCtmustbeincreased, thestandardapplicationcircuit.

6 (Ct= F,Cb= F). (GainvsFrequency)Figure15andFigure16show theeffectofchangingtheresponsedefiningca pacitorsCtandCbto2Ct,Cb/2and4Ct, Cb/4respectively, (GainvsFrequency)8 SubmitDocumentationFeedbackCopyright 1995 2013 , JAN1995 (GainvsFrequency)Figure17showstheeffecto fchangingCtandCbintheoppositedirectionto Ct/2, it isrequiredtogivea particularemphasisto,forexample, ,Ctisillustratedin resistorinserieswithCt. Thetrebleboostandcutwillbe3 dBlessthanthestandardcircuitwhenR= similareffectmaybeobtainedforthebassresp onsebyreducingthevalueoftheACbypasscapac itorsonpins5 (channel1)and16(channel2).

7 Theinternalresistanceatthesepinsis andthebassboost/cutwillbeapproximately3 willbeseenfromFigure15andFigure16thatmod ifyingCtandCbforgreatercontrolrangealsoh astheeffectofflatteningthetonecontrolext remesandthismaybeutilized,withorwithouta dditionalmodificationasoutlinedabove, ,thenegative-goingpeaksoftheoutputamplif iersmaybedetectedbelowa certainlevel,andusedtobiasbackthebasscon trolfroma highboostcondition, achievedthroughcontrolofthetonesectionsb ythevoltageappliedtopin7;therefore, normally1 dBmorebassthantrebleboost(40Hz 16kHz) a greaterdifferenceisdesired,it thestandardapplicationcircuitatvariousvo lumelevels(Cb= F).

8 Copyright 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 (GainvsFrequency) (GainvsFrequency) (GainvsFrequency) , (loudness)and12( volume )directlyconnected ,loudnesscontrolstartsattypically 8 dBvolume,withmostofthecontrolactioncompl eteby towardsthecontrolreferencevoltage(pin17) .Becausethecontrolinputsarehighimpedance , is possibletoreducetherateofonsetofcontrolt oextendtheactiverangeto , Witha suitablelevelshiftingnetworkbetweenpins1 2and7, 1995 2013 , JAN1995 theusualapplicationcircuit, it is required,someadditionalboostcanbeobtaine dbyrestrictingthetonecontrolrangeandmodi fyingCt, Cb, circuitillustratingthisforthecaseofbassb oostisshowninFigure26.

9 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback11 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 basicresponsetypically1 dBdownat250kHz(tonecontrolsflat)andthere forebyscalingCbandCt, it ispossibletoarrangeforoperationovera F andCt= (GainvsFrequency)Characteristic12 SubmitDocumentationFeedbackCopyright 1995 2013 , JAN1995 REVISEDAPRIL2013 SimplifiedSchematicDiagram(OneChannel)*C onnectionsreversedCopyright 1995 2013 ,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback13 ProductFolderLinks:LM1036LM1036 SNAS525C JAN1995 (April2013)toRevisionCPage 1995 2013 ,TexasInstrumentsIncorporatedProduct FolderLinks.

10 LM1036 PACKAGE OPTION 1 PACKAGING INFORMATIONO rderable DeviceStatus(1)Package TypePackageDrawingPinsPackageQtyEco Plan(2)Lead/Ball Finish(6)MSL Peak Temp(3)Op Temp ( C)Device Marking(4/5)SamplesLM1036M/NOPBLIFEBUYSO ICDW2036 Green (RoHS& no Sb/Br)CU SNLevel-3-260C-168 HR0 to 70LM1036 MLM1036MX/NOPBLIFEBUYSOICDW201000 Green (RoHS& no Sb/Br)CU SNLevel-3-260C-168 HR0 to 70LM1036 MLM1036N/NOPBLIFEBUYPDIPNFH2018 Green (RoHS& no Sb/Br)CU SNLevel-1-NA-UNLIM0 to 70LM1036N (1) The marketing status values are defined as follows:ACTIVE: Product device recommended for new : TI has announced that the device will be discontinued, and a lifetime-buy period is in : Not recommended for new designs.