Circuit power audio amplifier TDA2040 20 watts integrate circuit with pcb and power supply circuit

The TDA2040 is a monolithic integrated circuit housed in a Pentawatt package, designed for use as an audio class AB amplifier. It typically delivers an output power of 22W (with a distortion factor of 0.5%) at a supply voltage of 32V and a load of 4 ohms. The TDA2040 is capable of providing high output current while exhibiting very low levels of harmonic and crossover distortion. Additionally, the device features a patented short-circuit protection system, which includes a mechanism for automatically limiting the dissipated power to maintain the output transistors within their safe operating area. A thermal shutdown system is also incorporated to prevent overheating.

The TDA2040 audio amplifier is designed to deliver efficient performance in various audio applications, providing high fidelity sound reproduction. The Pentawatt package allows for effective heat dissipation, which is crucial for maintaining performance during extended use. The output stage is configured to operate in class AB mode, which combines the advantages of class A and class B amplifiers, resulting in lower distortion and improved efficiency.

The high output current capability of the TDA2040 enables it to drive low-impedance speakers effectively, making it suitable for use in home audio systems, professional audio equipment, and automotive sound systems. The low harmonic distortion ensures that the audio signal remains clean and accurate, preserving the integrity of the original sound source.

The integrated short-circuit protection system is essential for safeguarding the amplifier during fault conditions. By automatically limiting the power dissipation, the TDA2040 prevents damage to the output transistors, ensuring reliability and longevity of the device. The thermal shutdown feature further enhances safety by disconnecting the output in case of excessive temperature rise, thus protecting the circuit from thermal damage.

In summary, the TDA2040 is a robust and efficient audio amplifier integrated circuit, suitable for a variety of audio applications, with built-in safety features that enhance its reliability and performance.The TDA2040 is a monolithic integrated circuit in Pentawatt package, intended for use as an audio class AB amplifier. Typically it provides 22W output power (d = 0. 5%) at Vs = 32V/4. The TDA2040 provides high output current and has very low harmonic and cross-over distortion. Further the device incorporates a patented short circuit protection system comprising an arrangement for automatically limiting the dissipated power so as to keep the working point of the output transistors within their safe operating area. A thermal shut-down system is also included. 🔗 External reference