Tiny Audio Amplifier Using LM386

LM386

Specifications

The Tiny Audio Amplifier kit is a good choice for battery operation. It is based on LM386 IC.

  • Power supply - 6 - 12 VDC
  • Output power - 1 W, 8 Ohm
  • The quiescent power drain is only 24 mW when operating from 6 VDC
  • Self-centering output quiescent voltage
  • Onboard PRESET to adjust volume
  • Terminal pins for connecting power supply, audio signal and speaker
  • Power-On LED indicator
  • ON/OFF PCB mounted slide switch for power supply
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 44 mm x 44 mm

Tiny Audio Amplifier Using LM386

Schematic

Schematic Tiny Audio Amplifier Using LM386

Parts List

Parts List

Inputs - Outputs configuration

Inputs - Outputs configuration

PCB

PCB Tiny Audio Amplifier Using LM386

Download this circuit in PDF

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