Transcription of LM386 Low Voltage Audio Power Amplifier datasheet (Rev. C)
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LM386 Low Voltage Audio Power Amplifier datasheet (Rev. C)
GAIN1 GAIN815 k15 k15 k50 k3+ INPUT65 VSVOUTGND4- INPUT250 kBYPASS7 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand MAY2004 REVISEDMAY2017LM386 Low VoltageAudioPowerAmplifier11 Features1 BatteryOperation MinimumExternalParts WideSupplyVoltageRange:4 V 12 V or5 V 18 V Low QuiescentCurrentDrain:4 mA VoltageGainsfrom20 to 200 Ground-ReferencedInput Self-CenteringOutputQuiescentVoltage Low (AV= 20, VS= 6 V, RL= 8 ,PO= 125 mW,f = 1 kHz) Availablein 8-PinMSOPP ackage2 Applications AM-FMRadioAmplifiers PortableTapePlayerAmplifiers Intercoms TV SoundSystems Line Drivers UltrasonicDrivers SmallServoDrivers PowerConverters3 DescriptionThe LM386M-1and LM386MX-1are poweramplifiersdesignedforusein gainis internallyset to 20 to keepexternalpart countlow, but the additionof an externalresistorandcapacitorbetweenpins1 and8 willincreasethe gain to any valuefrom20 to groundreferencedwhilethe outputautomaticallybiasesto one-halfthe only24 mWwhenoperatingfroma 6-V supply,makingthe LM386M-1and LM386MX-1idealfor (1)PARTNUMBERPACKAGEBODYSIZE(NOM)LM386N- 1 PDIP(8) (8) (8) (8) (8) (8) (1) For all availablepackages,see the orderableaddendumatthe end of the MAY2004.
GAIN 1 GAIN 8 15 k 15 k 150 1.35 k 15 k 50 k 3 + INPUT 6 5 V S V OUT GND 4 - INPUT 2 50 k BYPASS 7 Product Folder Order Now Technical Documents Tools & Software Support & Community
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