Texas Instruments

LM49350RLX/NOPB

LM49350RLX/NOPB Description

The LM49350RLX/NOPB by Texas Instruments is a high-efficiency Class D mono audio amplifier from the Boomer® series, designed for compact, power-sensitive applications. It delivers 2W of output power into a 4Ω load or 69mW per channel into 32Ω, making it suitable for portable and space-constrained audio systems. Operating within a 2.7V to 5.5V supply range, this IC is optimized for battery-powered devices, ensuring extended runtime. Packaged in a 36-pin DSBGA (Tape & Reel), it supports surface-mount assembly and complies with ROHS3 and REACH environmental standards.

LM49350RLX/NOPB Features

• High Efficiency Class D Architecture: Minimizes power dissipation, ideal for energy-efficient designs.
• Wide Supply Voltage Range (2.7V–5.5V): Compatible with Li-ion, NiMH, or single-cell alkaline batteries.
• Compact 36-DSBGA Package: Saves PCB space in portable electronics.
• Low Power Consumption: Delivers 69mW per channel at 32Ω, perfect for headphones or low-power speakers.
• Robust Protection: Built-in thermal and short-circuit safeguards enhance reliability.
• RoHS3 & REACH Compliant: Meets stringent environmental regulations.

LM49350RLX/NOPB Applications

This amplifier excels in portable audio devices, including:

• Smartphones & Tablets: Space-saving mono audio amplification.
• Bluetooth Headsets & Wearables: Efficient power use extends battery life.
• Gaming Consoles: High-fidelity sound in compact form factors.
• IoT Audio Devices: Low-voltage operation suits embedded systems.

Conclusion of LM49350RLX/NOPB

The LM49350RLX/NOPB combines high efficiency, compact size, and robust performance, making it a top choice for battery-operated audio applications. Though obsolete, its legacy design remains relevant for low-power, high-quality audio amplification in portable electronics. Engineers seeking a proven Class D solution with TI’s reliability will find this IC a compelling option for legacy or niche designs.