Transcription of www.ti.com SNAS094D – APRIL 1995– REVISED MARCH 2013 ...
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www.ti.com SNAS094D – APRIL 1995– REVISED MARCH 2013 ...
APRIL1995 REVISEDMARCH2013LM1972 Pot2-Channel78dBAudioAttenuatorwithMuteC heckforSamples:LM19721 FEATURESDESCRIPTIONTheLM1972isa digitallycontrolled2-channel78dB2 3-WireSerialInterfaceaudioattenuatorfabr icatedonaCMOS process. 104dBMuteAttenuation0dB , 78dB, PopandClickFreeAttenuationChangesattenua tioncurvecanbecustomizedthroughsoftwaret ofit Potisdemonstratedthrough AutomatedStudioMixingConsolesitsexcellen tSignal-to-NoiseRatio,extremelylow MusicReproductionSystems(THD+N), Pot SoundReinforcementSystemscontainsa mutefunctionthatdisconnectstheinputsigna lfromtheoutput,providingaminimum ElectronicMusic(MIDI) 's3-wireserialdigitalinterfaceisTTLKEYSP ECIFICATIONSandCMOS compatible;receivingdatathatselectsa TotalHarmonicDistortion+ (max)OutpinoftheLM1972allowsmultiple Potstobedaisy-chainedtogether,reducingth enumberof Frequencyresponse:100kHz( 3dB)(min)enableanddatalinestoberoutedfor agiven Attenuationrange( ):78dB(typ) Differentialattenuation: (max) Signal-to-noiseratio( Vrms):110dB(min) Channelseparation:100dB(min) TopViewCircuitSeeDWPackage1 Pleasebeawarethatanimportantnoticeconcer ningavailability,standardwarranty,anduse in 1995 2013, APRIL1995 (1)(2)(3)SupplyVoltage(VDD VSS)15 VVol
LM1972 www.ti.com SNAS094D – APRIL 1995– REVISED MARCH 2013 LM1972 μPot 2-Channel78dB Audio Attenuator with Mute Check for Samples: LM1972 1FEATURES DESCRIPTION The LM1972 is a digitally controlled 2-channel78dB
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