The LM386M-1 and LM386MX-1 are power amplifiers 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
The inputs are ground referenced while the output automatically biases to one-half the
supply voltage. The quiescent power drain is only 24 mW when operating from a 6-V supply, making
the LM386M-1 and LM386MX-1 ideal for battery operation.
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