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LM386 Audio Power Amplifier

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Product Description

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 up to 200. The inputs are ground referenced while the output is automatically biased to one half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6V supply, making the LM386 ideal for battery operation.

Electrical Characteristics

  • Supply voltage (Vcc)max: +12 V
  • Input Resistance (Rin): 120k Ohms
  • Quiescent Current (IQ): 4-8mA
  • Output Power (POUT): 325mW@6v, 700mW@9v
  • Bandwidth: 300kHz
  • Operating free-air temperature: 70°C (max)




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