Lm386 Audio Amplifier Block Diagram. This circuit uses most simple and cost effective chip lm386 to build an audio amplifier. Today we are going to make a simple audio amplifier circuit with lm386 ic.
The following image shows the functional block diagram of lm386. Lm386 snas545c may 2004 revised may 2017 lm386 low voltage audio power amplifier 1 1 features 1 battery operation minimum external parts wide supply voltage range. Functional block diagram of lm386 functionally the lm386 audio amplifier ic can be divided in to amplifier gain control bypass power and output.
It s miles constructed via the use of the famous amplifier lm386 ic.
Circuit diagram of the lm386 audio amplifier is shown in the given below diagram and animated picture. Lm386 audio amplifier circuit. Lm386 is basically an opamp. Resistor r2 10k has been used as a pull up resistor to connect condenser mic to the positive supply voltage to provide the power to the mic.
