The TDA7261 is a monolithic integrated circuit in a Pentawatt package, intended for use as a low-frequency class AB amplifier. Designed by STMicroelectronics, a leader in semiconductor solutions, the TDA7261 offers a high-quality audio amplification solution for various applications. Typically it is deployed in TV sets and mid-sized audio equipment where space-saving and simplicity of design are paramount.

Key Features

• Output Power: With a supply voltage of 18V, the TDA7261 delivers up to 25W of continuous output power into a 4Ω load with 0.1% THD+N from 20Hz to 20kHz.
• Mute/Stand-by Function: The chip includes a mute/stand-by function that allows the user to easily cut off the sound or put the amplifier into a low-power state, enhancing the overall efficiency and convenience.
• Thermal Overload Protection: The integrated thermal overload protection ensures that the device remains safe from overheating, thereby extending its reliability and service life.
• Short Circuit Protection: The TDA7261 is safeguarded against short circuits, which could occur between the output and ground or across the load, further enhancing its durability.
• No Pop at Turn-on/off: One of the notable features of this IC is the absence of audible 'pop' noise during turn-on and turn-off transitions, making it ideal for high-quality audio applications.
• Minimal External Components: The design of the TDA7261 requires very few external components, which simplifies the circuit design and helps to reduce overall system cost.

Applications

The versatility of the TDA7261 makes it suitable for a wide range of applications. It is often used in:

• Television sets
• Mini and micro audio systems
• Powered speakers
• Simple amplifiers for personal projects or DIY audio solutions

In summary, the TDA7261 from STMicroelectronics is a robust audio amplifier solution that combines performance, simplicity, and cost-effectiveness, making it an excellent choice for designers and audio enthusiasts alike.