The LM386 is an integrated circuit containing a low-voltage audio power amplifier. It is suitable for battery-powered devices such as radios, guitar amplifiers, and hobby electronics projects. The IC consists of an 8-pin dual in-line package (DIP-8) and can output 0.25 to 1 watts of power, depending on the model, using a 9-volt power supply.

The LM386 is a mono low voltage amplifier that can be used in a variety of applications. It can drive loads from 4 Ω to 32 Ω. The gain is internally set to 20 but it can be modified from 20 to 200 by placing a resistor and capacitor between pins 1 and 8.

LM386 Audio amplifier features and specifications Supply Voltage: 4-15V Quiescent Power: 24mW @ 6V Analog input voltage 0.4V (maximum) Voltage Gain: 20 to 200 (26dB to 46dB) PSRR: 50dB Speaker impedance 4Ω Available in 8-Pin PDIP,SOIC and VSSOP packages

LM386 Low Voltage Audio Power Amplifier Wide Supply Voltage Range: 4 V–12 V or Low Quiescent Current Drain: 4 mA Voltage Gains from 20 to 200 Ground-Referenced Input Self-Centering Output Quiescent Voltage Low Distortion: 0.2% (A = 20, V S=6V,R = 125 mW, f = 1 kHz)

The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply (most often batteries). It comes in an 8-pin mini-DIP package. The IC is designed to deliver a voltage amplification of 20 without external add-on parts. But this voltage gain can be raised up to 200 (Vu = 200) by adding external parts.