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The LM386 is a power amplifier designed for use in low voltage consumer applications, such as AM-FM radios, portable tape cassettes, intercoms, power invertors, etc. 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.
|Maximum supply voltage:||15Vdc|
|Output power with 8Ω load:||325mW (6V supply)|
|THD at 125mW with 8Ω load:||0.2% (6V supply)|
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