
This project is a mini Audio Amplifier based on LM386
IC.
The Mini Audio Amplifier project is a good choice
for battery operated gadgets. It is based on Texas
instruments LM386 IC, provides high quality Audio.
Specifications
- Wide power supply input 6 to 12 VDC
- 500 mW
output @ 8 Ohms load
- Takes standard audio
signal as input
- Low quiescent current drain 4
mA IC
- The quiescent power drain is only 24 mW
when operating from 6 VDC
- Onboard preset for
volume adjust
- Header connector for connecting
power supply, audio signal and speaker
-
Onboard power indication LED
- On/Off PCB
mounted slide switch for power supply
- Four
mounting holes of 3.2 mm each
- PCB dimensions
41 mm x 41 mm


