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LM386 Audio Amplifier
LM386
Texas Instrumentsic amplifier
The LM386 is a low-voltage mono audio power amplifier for battery-powered applications. Its gain is internally set to 20 but can be raised to 200 with an external resistor and capacitor, while ground-referenced inputs minimize external parts.
In stock
Specifications
8- Operating Voltage
- 4 to 12 V
- Supply Current
- 4 mA
- Voltage Gain
- 20 to 200
- Output Power
- 325 mW
- Total Harmonic Distortion
- 0.2 %
- Input Resistance
- 50 kΩ
- Operating Temperature Range
- 0 to 70 °C
- Package Types
- PDIP, SOIC, VSSOP
Pinout
8| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | GAIN | GPIO | Gain setting pin |
| 2 | -INPUT | GPIO | Inverting input |
| 3 | +INPUT | GPIO | Noninverting input |
| 4 | GND | GND | Ground reference |
| 5 | VOUT | GPIO | Amplifier output |
| 6 | VS | POWER | Power supply voltage |
| 7 | BYPASS | GPIO | Bypass decoupling path |
| 8 | GAIN | GPIO | Gain setting pin |
Interactive pinout
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LM386
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