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This is a Low Voltage Audio Power Amplifier.

The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200. The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6 volt supply, making the LM386 ideal for battery operation.



  • Battery operation
  • Wide supply voltage range: 4V–12V or 5V–18V
  • Low quiescent current drain: 4mA
  • Voltage gains from 20 to 200
  • Ground referenced input
  • Self-centering output quiescent voltage
  • Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8W, PO = 125mW, f = 1kHz)
  • Available in 8 pin MSOP package


  • AM-FM radio amplifiers
  • Portable tape player amplifiers
  • Intercoms
  • TV sound systems
  • Line drivers
  • Ultrasonic drivers
  • Small servo drivers
  • Power converters
  • Supply Voltage:
    (LM386N-1, -3, LM386M-1) 15V
  • Supply Voltage (LM386N-4) 22V
  • Package Dissipation:
    (LM386N) 1.25W
    (LM386M) 0.73W
    (LM386MM-1) 0.595W
  • Input Voltage: ±0.4V
  • Storage Temperature :−65°C to +150°C
  • Operating Temperature: 0°C to +70°C
Login to post comments.
Tushar_Abdullah | Jun 1,2015 at 07:09 AM
Ordered this ic but u guys sent some low quality chinese product, not from NationalSemiconductor as the datasheet u provided.
A.R | Jun 2,2015 at 09:51 AM
So, tell us, did we mention any brand here???
Suntop | Aug 23,2015 at 03:15 PM
"Low Quality" does not specify anything ! What's the problem, can't it amplify clearly, does it fail near absolute maximum ratings ? What's wrong ?
Atik666 | Feb 5,2017 at 01:04 AM
Can this IC be an alternative for LM385 amplifier?
A.R | Feb 5,2017 at 10:21 AM
LM385 is not an amp. That is a voltage reference diode.
Srkhanjewel | Aug 12,2017 at 12:45 PM
out put watt for each Chanel ?
A.R | Aug 12,2017 at 12:58 PM
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