STMicroelectronics

TDA7297D

TDA7297D Description

The TDA7297D by STMicroelectronics is a Class AB stereo audio amplifier IC designed for high-performance audio applications. Operating within a 6.5V to 18V supply range, it delivers 10W per channel into an 8Ω load, making it suitable for medium-power audio systems. Packaged in a PowerSO-20 form factor, this surface-mount device is optimized for compact designs while maintaining robust thermal performance. Although marked as obsolete, it remains a reliable choice for legacy systems due to its low distortion, wide voltage range, and efficient heat dissipation.

TDA7297D Features

• Dual-Channel Output: Provides 10W x 2 at 8Ω, ideal for stereo applications.
• Wide Supply Voltage (6.5V–18V): Supports flexible power configurations, including automotive and portable devices.
• Low Noise & Distortion: Ensures high-fidelity audio reproduction.
• Surface-Mount (PowerSO-20): Compact footprint for space-constrained designs.
• Thermal Protection: Built-in safeguards against overheating.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.

TDA7297D Applications

• Home Audio Systems: Bookshelf speakers, multimedia amplifiers.
• Portable Audio Devices: Battery-powered boomboxes, portable PA systems.
• Automotive Audio: Auxiliary amplifiers for in-car entertainment.
• TVs & Monitors: Integrated sound amplification for displays.
• Legacy Electronics Repair: Replacement for obsolete amplifier modules.

Conclusion of TDA7297D

The TDA7297D offers a balance of power efficiency, audio clarity, and compact design, making it a versatile choice for mid-range audio amplification. While newer alternatives exist, its wide voltage tolerance, thermal resilience, and dual-channel output ensure continued relevance in repair and niche applications. Engineers valuing reliability over cutting-edge specs may still find it a practical solution.