STMicroelectronics

TEA2025B

TEA2025B Description

The TEA2025B is a Class AB audio amplifier produced by STMicroelectronics, designed to deliver high-quality audio performance in mono or stereo configurations. This through-hole mounted device offers a maximum output power of 4.7W at 8Ohm for a single channel and 2.4W for two channels at 8Ohm, making it suitable for various audio applications requiring robust power output. The TEA2025B operates within a supply voltage range of 3V to 12V, providing flexibility in power source selection.

TEA2025B Features

• Class AB Operation: Delivers high efficiency and excellent audio quality.
• Max Output Power: 4.7W x 1 @ 8Ohm or 2.4W x 2 @ 8Ohm, catering to different power needs.
• Voltage - Supply: Versatile 3V to 12V range for compatibility with various power sources.
• Thermal Protection: Ensures reliable operation and prevents damage due to overheating.
• Depop Feature: Reduces output pop noises when the amplifier is turned on or off.
• Package: Tube packaging for easy handling and integration.
• Mounting Type: Through Hole, facilitating straightforward installation in PCB designs.
• RoHS Compliance: Adheres to the Restriction of Hazardous Substances Directive, making it environmentally friendly.
• REACH Unaffected: Compliant with the Registration, Evaluation, Authorization, and Restriction of Chemicals regulation.

TEA2025B Applications

The TEA2025B is ideal for a variety of audio applications where high power and quality are paramount:

• Portable Audio Devices: Such as MP3 players and mobile phones, where space is at a premium but audio performance is critical.
• Home Audio Systems: Amplifying audio signals in home theaters and Hi-Fi systems for a rich, full sound.
• Automotive Audio: Enhancing sound quality in car audio systems with robust power output capabilities.
• Industrial Applications: Providing audio amplification in machinery and equipment where reliability and durability are essential.

Conclusion of TEA2025B

While the TEA2025B is now considered obsolete, it was a robust and versatile audio amplifier during its time. Its Class AB design, combined with features like thermal protection and depop, made it a reliable choice for high-quality audio applications. Despite its obsolescence, the TEA2025B remains a testament to STMicroelectronics' commitment to delivering high-performance audio solutions. For current projects, it is recommended to explore the latest offerings from STMicroelectronics that meet modern performance and environmental standards.