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Audio Amplifiers
LM386
The LM386 is a power audio amplifier for consumer application. Uses include radios, alarms, guitar amplifiers, and hobby electronics projects. The package outline is standard dual-in-line. The LM386 can output at most 1 W.
The LM386N-1
Models
There are three different models, specified below.
| Model name |
Supply voltage (V) | Output power (mW) | Load impedance (Ω) | ||
|---|---|---|---|---|---|
| Min. | Max. | Min. | Typical | ||
| LM386N-1 | 4 | 12 | 250 | 325 | 8 |
| LM386N-3 | 4 | 12 | 500 | 700 | 8 |
| LM386N-4 | 5 | 18 | 700 | 1000 | 32 |
Typical audio amplifier
Audio amplifier with gain of 20
- Voltage gain is internally set to 20.
