Texas Instruments LM380N 2W Audio Power Amplifier IC
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Prices updated: 13 Oct 2026
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About this product
The LM380N is a 2 W audio power amplifier integrated circuit used in small audio projects such as simple speaker amplifiers and hobby audio circuits. It comes in a 14-pin dual-in-line package and needs only a few external components for a basic circuit. Its default voltage gain is 34 dB.
Specifications
- Output power
- 2 W
- Package
- 14-pin DIP
- Default voltage gain
- 34 dB
- Supply voltage
- 10 V to 22 V
- Type
- Mono audio power amplifier
Frequently asked questions
What supply voltage does the LM380N need?
The LM380N is designed for a supply in the 10 V to 22 V range, according to its datasheet. Keep the supply within this range and provide adequate decoupling capacitors near the IC.
Can the gain of the LM380N be changed?
Yes. The default gain is 34 dB, and a capacitor connected across the gain-setting pins changes it. The datasheet shows the exact pin connections and the resulting gain.
