The output can drive loads from 4 to 32 ohms. The higher the operating voltage, the higher the maximum amount of power that it can provide. They operate at 5V – 12V and provide up to 700mW of power. These parts are LM386N-1 or equivalent parts. They are general purpose amplifiers, so they can also be used in other small power amplification applications such as for driving small servos or ultrasonic drivers. The LM386 are handy for providing basic audio amplification in a project such as if you want to drive a speaker off a PWM pin on a uC and want more oomph than the uC can provide directly. The LM386 Audio Ampifier is a general purpose single-channel audio amplifier that can handle up to 700mW and is easy to use.
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