TDA2050 32W Audio Power Amplifier Guide
2024-11-29 207

The TDA2050, developed by STMicroelectronics, is a high-fidelity audio amplifier IC capable of delivering up to 32 watts of output power. Operating at a higher voltage of up to 50 volts, it is ideal for class-AB amplifiers and high-end audio systems. With a 4-ohm speaker, it can produce up to 50 watts, making it a powerful choice for quality audio applications.

Catalog

Pin Configuration of TDA2050

Characteristics of TDA2050

• The TDA2050 is a low-frequency class AB amplifier specifically designed for high-quality audio amplification. It is capable of delivering up to 50 watts of output power, making it an excellent choice for driving powerful audio systems.

• The IC operates within a voltage range of -25V to +25V and can deliver 28 watts of output power when connected to a 4Ω speaker, ensuring clear and distortion-free sound.

• With a voltage gain of 80dB and a supply voltage rejection of 45dB, it provides exceptional audio fidelity by minimizing noise and power supply interference.

• The TDA2050 is equipped with built-in short-circuit and thermal protection, safeguarding it against potential damage during operation and ensuring reliable performance.

• Its breadboard-friendly design and availability in a compact 5-pin TO220 package make it convenient for prototyping and integration into various audio amplifier projects.

• These features, combined with its robust output capabilities, make the TDA2050 an ideal solution for high-quality audio applications in both consumer and professional settings.

Alternatives of TDA2050

• TDA2030

• LM386

• TDA1554

• TDA7294

• TDA7265

• TDA7279

• TDA2005

TDA2050 Description

The TDA2050 is a versatile 32W amplifier IC designed for use in both stereo and mono audio circuits. It can deliver up to 5A of current to drive speakers without risk of damage, thanks to its ability to handle short circuits on both AC and DC rails. With an operating voltage of ±25V, it supports both single and dual power supply configurations, making it ideal for robust applications such as automotive audio systems. The IC's breadboard-friendly design allows for easy testing and prototyping. A sample application circuit for the TDA2050 is provided below.

The TDA2050 is a 5-pin amplifier IC designed for audio applications. Pins 5 and 3 are used to supply power to the IC, while the audio signal to be amplified is fed into pin 1, the non-inverting input. The amplified audio output is obtained from pin 4. The component values shown in the circuit are those recommended by the manufacturer for optimal performance. It is to note that the TDA2050 has been discontinued and is no longer in production. However, clones are still available in the market from various manufacturers. For new designs, a suitable replacement is the LM1875 from Texas Instruments, which offers similar functionality and performance.

TDA2050 Applications

Used for Audio Signal Amplification

The TDA2050 is primarily designed for audio signal amplification, delivering clear and high-quality sound. Its ability to provide up to 32W of output power makes it suitable for a range of audio systems, from home theaters to public address systems. With its low distortion and high fidelity, the TDA2050 ensures that audio signals are amplified without compromising sound quality, making it a popular choice for both consumer and professional audio applications.

Suitable for High Power Amplification

The TDA2050’s ability to output up to 5A of current and handle supply voltages up to ±25V makes it ideal for high-power audio applications. It can drive low-impedance loads, such as 4Ω speakers, effortlessly, providing powerful and distortion-free sound. This makes it suitable for applications requiring high-volume audio output, such as music systems, soundbars, and high-power portable speakers.

Capable of Operating on Dual/Split Power Supply

One of the key features of the TDA2050 is its compatibility with dual or split power supply configurations. This flexibility allows it to operate in a wide variety of circuit designs, including those that require a dual-polarity supply for better performance and stability. This capability makes it highly versatile and suitable for integration into automotive audio systems, professional sound equipment, and other complex audio applications.

Cascade Audio Speakers

The TDA2050’s high output power and current capabilities enable it to cascade multiple audio speakers, enhancing the overall sound experience. By connecting multiple speakers in parallel or series, it can deliver uniform and amplified sound across larger areas, such as conference halls or outdoor events. This feature makes it a choice for applications requiring high-performance audio distribution across multiple speakers.

Dimensions of TDA2050

Datasheet PDF

TDA2050 Datasheets

TDA7294 Datasheets

TDA7265 Datasheets

TDA2005 Datasheets