BETAKeep the input quiet
Use short signal wiring and a common ground. The input capacitor blocks source DC.
Low-voltage audio power amplifier
LM386 Basic Circuit
Build a basic LM386 circuit with labeled pins, component values and connection guidance.
Package view
LM386 in a circuit
A real IC, AC coupling and a clearly connected speaker.
Connect it, step by step
Follow the component values and pin connections
Decouple the supply
Put the small bypass capacitor close to pins 6 and 4, and add local bulk capacitance.
Connect the speaker through C2
The positive side of the output capacitor faces pin 5, which sits near half the supply.