Texas Instruments

LM4781TA/NOPB

LM4781TA/NOPB Description

The LM4781TA/NOPB is a high-performance, three-channel Class AB linear amplifier designed for demanding audio applications. Manufactured by Texas Instruments, this IC belongs to the Overture™ series and is housed in a Through Hole package, specifically a TO220-27 tube It. offers a maximum output power of 35W per channel into an 8-ohm load, making it suitable for driving multiple speakers or high-fidelity audio systems.

This amplifier operates over a wide supply voltage range of 20V to 70V (±10V to ±35V), providing flexibility in power supply design. It is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met. The LM4781TA/NOPB has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage without special handling requirements.

LM4781TA/NOPB Features

• High Output Power: Delivers 35W per channel into an 8-ohm load, ensuring robust performance for high-fidelity audio applications.
• Wide Supply Voltage Range: Operates from 20V to 70V (±10V to ±35V), providing flexibility in power supply design.
• Class AB Topology: Combines high efficiency with low distortion, ideal for high-quality audio reproduction.
• Through Hole Mounting: Facilitates easy integration into existing systems and ensures mechanical stability.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, meeting industry standards for environmental safety.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for storage and handling without special precautions.

LM4781TA/NOPB Applications

The LM4781TA/NOPB is ideal for a variety of high-fidelity audio applications, including:

• Home Theater Systems: Provides powerful and clear audio for multi-channel home theaters.
• Professional Audio Equipment: Suitable for amplifiers, mixers, and other professional audio gear.
• Multi-Speaker Systems: Ideal for driving multiple speakers in high-quality audio setups.
• Commercial Audio Systems: Perfect for public address systems, conference rooms, and other commercial audio applications.

Conclusion of LM4781TA/NOPB

The LM4781TA/NOPB is a versatile and powerful linear amplifier designed for high-fidelity audio applications. Its wide supply voltage range, high output power, and Class AB topology make it an excellent choice for demanding audio systems. The Through Hole mounting and environmental compliance ensure ease of integration and adherence to industry standards. Although marked as obsolete, the LM4781TA/NOPB remains a reliable option for applications requiring robust and high-quality audio performance.