LM386 audio amp (LM386N-1)
LM386N-1 · 4–12 V · gain 20 (pins 1–8 open) to 200 (10 µF across 1–8) · up to about 0.7 W into 8 Ω · output sits at V_S/2
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Typical part: LM386N-1 audio amplifier
Pins
- 1 GAIN
- 2 −INPUT
- 3 +INPUT
- 4 GND
- 5 V_OUT
- 6 V_S
- 7 BYPASS
- 8 GAIN
Ratings and limits
| Supply | 4–12 V |
|---|---|
| Gain | 20 to 200 |
| Output | ≈ 0.7 W into 8 Ω at 9 V |
How to use it
Input to pin 3 through a volume pot, speaker on pin 5 through 220 µF, 10 nF + 10 Ω (Zobel) to ground. 10 µF across pins 1–8 raises the gain to 200.