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LM386 Low Voltage Audio Op-Amp IC - DIP-8 Package

SKU: 1ILCSOVS05
The LM386 is a low-voltage audio power amplifier IC specifically designed for battery-operated and portable audio applications. It requires very few external components and provides a simple solution for amplifying low-level audio signals from microphones, audio players, radios, sensors, and microcontrollers. The LM386 features an internally set voltage gain of 20, which can be increased up to 200 using external...
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Specifications

Specifications:

Model: LM386
Package Type: DIP-8
Amplifier Type: Low Voltage Audio Amplifier
Supply Voltage Range: 4V to 12V DC (LM386N-1)
Recommended Operating Voltage: 5V to 12V DC
Quiescent Current: Approximately 4mA
Voltage Gain (Default): 20 (26dB)
Maximum Voltage Gain: 200 (46dB)
Output Power: Up to 700mW
Input Impedance: 50kΩ Typical
Frequency Response: 300kHz Typical Bandwidth
Total Harmonic Distortion (THD): 0.2% Typical
Power Supply Rejection Ratio (PSRR): 50dB Typical
Operating Temperature Range: 0°C to +70°C
Mounting Type: Through-Hole
Pin Count: 8

Additional Resources

LM386.PDF

FAQ

1. What is the LM386 used for?

The LM386 is used for amplifying low-level audio signals in portable speakers, intercoms, radios, microphone amplifiers, and DIY audio projects.

2. What is the default gain of the LM386?

The LM386 has a default voltage gain of 20, which can be increased up to 200 using external components.

3. Can the LM386 directly drive a speaker?

Yes, the LM386 can directly drive small speakers without requiring an additional output amplifier stage.

4. What supply voltage does the LM386 require?

The LM386 typically operates from 4V to 12V DC, making it suitable for battery-powered and portable applications.

5. Why is the LM386 popular among hobbyists and students?

The LM386 requires very few external components, is easy to use, operates from low voltages, and provides reliable audio amplification for a wide range of electronics projects.

View full product details

The LM386 is a low-voltage audio power amplifier IC specifically designed for battery-operated and portable audio applications. It requires very few external components and provides a simple solution for amplifying low-level audio signals from microphones, audio players, radios, sensors, and microcontrollers.

The LM386 features an internally set voltage gain of 20, which can be increased up to 200 using external capacitors and resistors. Operating from a wide supply voltage range, it is ideal for portable speakers, intercoms, audio amplifiers, sound projects, and educational electronics applications.

Packaged in a standard DIP-8 form factor, the LM386 is easy to use on breadboards and PCBs, making it one of the most popular audio amplifier ICs for hobbyists, students, and engineers.

Key Features

  • Low-voltage audio power amplifier IC
  • Requires minimal external components
  • Wide operating voltage range
  • Internal voltage gain of 20
  • Gain adjustable up to 200
  • Low quiescent current consumption
  • Battery-powered operation support
  • Direct speaker driving capability
  • Compact DIP-8 package
  • Low distortion audio output
  • Good noise immunity
  • Easy breadboard and PCB integration
  • Suitable for portable audio devices
  • Ideal for DIY electronics projects