TDA7235

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The TDA7235 is an audio power amplifier system which serves a wide range of applications, ranging from powering speakers in home stereos, to audio systems that serve advertising purposes in public places and commercial establishments. The TDA7235 is a linear amplifier which incorporates many features and provides excellent sound quality. In this article we will discuss the application field and working principle of the TDA7235.

General Description

The TDA7235 is a high efficiency, double power amplifier which features low noise, low distortion and a wide frequency response. It consists of two independent amplifier channels which can deliver up to 20 watts of continuous power (with a 4 ohm load) or up to 25 watts of peak power. The TDA7235 is housed in a 9-lead single-in-line (SIP) package and is designed to simplify the development and manufacturing of high quality audio systems.

Application Field

The TDA7235 is ideal for powering a variety of audio systems. It can be used in a wide range of applications such as:

• Home Stereo Systems
• MP3/CD players
• Audio systems for restaurants, shops and other commercial establishments
• Public address systems
• Car audio systems
• Portable audio devices

The TDA7235 is especially popular for powering speakers in home stereo systems, providing excellent sound quality at low cost. It is also ideal for car audio systems, as it is designed to reduce the amount of hum and noise in the audio signal.

Working Principle

The TDA7235 is based on a multi-stage design which includes two amplifier stages. The first stage is an emitter-follower which amplifies the lowest frequency signals without introducing any distortion. The second stage is a class-AB amplifier which amplifies higher frequency signals with very low distortion and high efficiency. The TDA7235 also includes a feedback system which controls the gain and prevents clipping.

The TDA7235 also incorporates protection circuits which protect the amplifier from damaging voltage levels and heat. The amplifier also features output transistors which are designed to handle high temperatures and keep the output distortion low. This ensures a long lifespan for the device.

Conclusion

The TDA7235 is an audio power amplifier system which is designed for a wide variety of applications. It features low noise, low distortion and a wide frequency response, making it ideal for powering speakers in home stereo systems, car audio systems, public address systems and portable audio devices. The TDA7235 also incorporates protection circuits to protect the amplifier from damaging voltage levels and heat, ensuring a long lifespan for the device.

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