Aduio Amplifer using (4440 IC )

CIRCUIT DIAGRAM

IC PIN

LA4440 or CD4440 is a dual channel audio Monolithic amplifier integrated circuit. 

This IC amplifier has 2 modes - Stereo Amplifier And Bridge Amplifier Mode

According to Datasheet it has Following Features

Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications.

Dual : 6Wx2 

Bridge : 19W 

• Minimum number of external parts required.

• Small pop noise at the time of power supply ON/OFF and

• good starting balance.

• Good ripple rejection : 46dB 

• Good channel separation.

• Small residual noise .

• Low distortion over a wide range from low frequencies to

• high frequencies.

• Easy to design radiator fin.

• Built-in audio muting function.

• Built-in protectors.

• Thermal protector

• Overvoltage, surge voltage protector

• Pin-to-pin short protector