1.3k
The LM386 is a low voltage audio power amplifier. It is suitable for battery-powered devices such as radios, guitar amplifiers, and hobbyist projects. This comes in a 8 pin dual in-line package and is capable of supplying 0.5 watts power using a 9 volt power supply.
Schematic
LM386 amplifier
Parts List
QTY PART-REFS VALUE --- --------- ----- Resistors --------- 1 R1 10k 1 R2 1k Capacitors ---------- 2 C1,C3 220uf 1 C2 10uf Integrated Circuits ------------------- 1 U1 LM386 Miscellaneous ------------- 1 LS1 SPEAKER 1 RV1 10k
Links
LM386 Datasheet