30W Stereo Amplifier TDA7297 DIY Circuit

Introduction

A 30W Stereo Amplifier TDA7297 DIY Circuit is an electronic circuit that is designed to amplify the audio signals from various sources like a microphone, guitar, CD player, etc., to produce high-quality sound output. TDA7297 is a dual-channel audio amplifier chip that is capable of delivering high-quality power output up to 15 watts per channel. This integrated circuit (IC) is very popular among audio enthusiasts, and it is widely used in different audio applications like home theater systems, car audio systems, and portable speakers.

In this article, we are going to discuss the 30W Stereo Amplifier TDA7297 Circuit Diagram and its working principle. We will also provide a detailed explanation of the components used in this circuit and how they are connected to each other to achieve the desired output. So, let’s get started.



Circuit Diagram

of 30W Stereo Amplifier TDA7297

This amplifier can be designed using a few basic components. The circuit diagram of this project is shown below.

30W Stereo Amplifier TDA7297
30W Stereo Amplifier TDA7297



More Circuit Layouts



30W Stereo Amplifier TDA7297 Pin Configuration
TDA7297 Pin Configuration
TDA7297 30W Stereo Amplifier IC
TDA7297 30W Stereo Amplifier IC

Components List

  • TDA7297 Stereo IC x 1
  • 10uF Capacitor x 1 (for ST-BY at Pin-7)
  • 1uF Capacitor x 1 (for MUTE at Pin-6)
  • 224J Capacitor x 2
  • 104J Capacitor x 1
  • 470uF Capacitor x 1
  • 10k Resister x 2 (for ST-BY & MUTE at Pin-7 & 6)
  • 2-Pole Terminal Block x 1

Circuit Description of 30W Stereo Amplifier TDA7297

The TDA7297 is a 15W+15W dual bridge amplifier speciallydesigned for TV and Portable Radio applications. The Amplifier Circuit Diagram consists of several electronic components that work together to produce high-quality sound output. The main components used in this circuit are the TDA7297 Audio Amplifier IC, a Power Supply Unit, and a set of speakers.

The TDA7297 Audio Amplifier IC is the heart of this circuit, and it is responsible for amplifying the audio signals.

The Power Supply Unit is another essential component of this circuit, and it provides power to the TDA7297 Amplifier IC. The Power Supply Unit should be well regulated and able to supply a voltage range of 6V to 18V DC.

The speakers used in this circuit should be of high quality and able to handle the power output from the TDA7297 Amplifier IC. The output power of this circuit can be adjusted by changing the value of a few resistors, and it can be connected to any audio source using a 3.5mm audio jack.



Working Principle of 30W Stereo Amplifier TDA7297

The working principle of the Stereo Amplifier TDA7297 is straightforward. The audio signals from the input source are first amplified by the TDA7297 Audio Amplifier IC. Once the audio signals have been amplified, they are sent to the speakers where they are converted back into sound waves.

The Power Supply Unit provides the necessary voltage to the TDA7297 Audio Amplifier IC. The voltage should be well regulated to ensure the accuracy of the output signals.

Conclusion:

In conclusion, the 15W+15W Dual Bridge total 30W Stereo Amplifier of TDA7297 IC is an excellent audio amplifier circuit that can be used in various audio applications like home theater systems, car audio systems, and portable speakers. It is an easy-to-build circuit that can be constructed using commonly available electronic components.

The circuit uses the TDA7297 Audio Amplifier IC, which is capable of delivering high-quality output power up to 30 watts per channel. The Power Supply Unit provides the necessary voltage to the TDA7297 Amplifier IC, and the speakers used in the circuit should be of high quality and able to handle the power output.

Overall, the 30W Stereo Amplifier TDA7297 Circuit Diagram is a perfect choice for anyone looking to build a high-quality audio amplifier circuit that is both easy to build and provides excellent sound quality.

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30W Stereo Amplifier TDA7297
30W Stereo Amplifier TDA7297
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