This is a simple audio amplifier circuit but pretty good output. La4440 is a two channel audio power amplifier ic with inbuilt in dual channels enables it for stereo and bridge amplifier applications.
Stereo power amplifier circuit with la4440 ic works with a voltage source 12 volts dc with a current of 2 amperes.
You can find out more Diagram below
4440 ic amplifier circuit diagram pdf. It can be used in two modes. Ultra low dropout fixed voltage regulator block diagram application description the ic regulates an. 4440 amplifier audio board ciircuit diagram.
This is the circuit diagram of stereo audio amplifier of 4440 ic. The la4440 is a monolithic linear ic from sanyo. If subwoofer in your music system is not producing enough bass then you can use this simple diy circuit to enhance the bass.
In bridge mode the la4440 ic gives an output of 19w. This tda2030 amplifier can produce 14watt output and this can be increased upto 30watt by using another tda2030. It runs only with 12v power supply.
In this project we are going to design a subwoofer amplifier circuit using ic tda2030 with few cheap components. La4440 ic amplifier circuit diagram stereo mode. Ic cd 4440 amplifier circuit diagram pin diagram of ic 4440 ts4270cm550 2 ic 4440 amplifier input output to 252 5l 27bsc ts4270cz550 ts4270cp550 ts4270 text.
La4440 amplifier circuit board designed with minimum external components and it can be used as breakout board for audio amplification purpose. 2007 ic cd 4440 pin diagram. Ideal feature of the ic is its pin to pin protection.
It has good ripple rejection of 46db small residual noise built in over voltage and surge voltage protection etc. In dual mode it gives 6 w per channel and in bridge mode 19 w output. To get stereo output from bridge mode use two such circuits as shown below.
Here in above circuit diagram the output capacitors are c11 and c12. 4440 is medium power stereo audio amplifier ic which has very good features. In this mode use a speaker of 4 to 8.
La4440 is a dual channel audio amplifier ic. Lm4440la4440 20w audio amplifier with 12v. Ic la4440 is a stereo amplifier chip that has the following technical specifications.
This la4440 amplifier ic is most suitable for low power audio applications it has good ripple rejection as 46db and has good channel separation. Power amplifier ic la4440 is often used on the car stereo amplifier tape. La4440 amplifier circuit diagram la4440 is a stereo audio amplifier ic.
Features of ic la4440. It also can make the bridge for mono amplifier circuit amplifier board. The audio amplifier ic la4440 cd4440 tda4440 is the most using ic for stereo audio amplifier circuit such as audio playerdvd player etc.
Circuit description is given at end. It has 46db of ripple rejection. Here i give the both circuit mode of amplifier using ic la4440.
In dual mode it gives 6 watts for per channel and in bridge mode it gives 19 watts output. It can also be used as car audio player only thing is need is vire mp3 player and for that i have included 5v power supply with lm7805. One is stereo amplifier and another bridge amplifier mode.
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