STMicroelectronics

TDA7498L

TDA7498L Description

The TDA7498L from STMicroelectronics is a high-performance Class D stereo audio amplifier designed for demanding audio applications. With a maximum output power of 80W per channel at 6Ω, this IC operates within a wide supply voltage range of 14V to 36V, making it suitable for both consumer and professional audio systems. Packaged in a PowerSSO36 tube, the TDA7498L is optimized for surface-mount assembly, ensuring compact integration into modern PCB designs. Despite its obsolete status, it remains a reliable choice for legacy designs due to its robust performance and compliance with ROHS3 and REACH environmental standards.

TDA7498L Features

• High Power Output: Delivers 80W x 2 channels @ 6Ω, ideal for driving high-impedance speakers.
• Wide Voltage Range (14V–36V): Supports flexible power supply configurations, including 24V industrial systems.
• Class D Efficiency: Minimizes heat dissipation and power loss, enhancing energy efficiency.
• Surface-Mount Design (PowerSSO36): Compact footprint for space-constrained applications.
• Compliance: Meets ROHS3, REACH, and EAR99 standards, ensuring global regulatory compatibility.
• Moisture Sensitivity Level (MSL 3): Requires careful handling but offers reliable performance in controlled environments.

TDA7498L Applications

The TDA7498L excels in high-power audio systems such as:

• Home Theater Amplifiers: Provides clean, distortion-free audio for immersive experiences.
• Professional PA Systems: Suitable for live sound reinforcement due to its high output capability.
• Powered Speakers: Enables compact yet powerful active speaker designs.
• Automotive Audio (Aftermarket): Operates efficiently in 24V truck or bus audio systems.
• Legacy Audio Equipment: A dependable choice for maintaining or upgrading older systems.

Conclusion of TDA7498L

The TDA7498L stands out for its high power efficiency, wide voltage tolerance, and compact form factor, making it a versatile solution for audio amplification. While marked as obsolete, its performance and compliance with environmental standards ensure continued relevance in specific applications. Engineers seeking a Class D amplifier with robust output and reliability will find the TDA7498L a compelling option, particularly in legacy or high-power audio designs.