The LM4781TA/NOPB from Texas Instruments is a high-performance audio power amplifier capable of delivering impressive sound quality for a wide range of audio applications. This integrated circuit is designed to provide high-quality output with low distortion, making it an ideal choice for professional audio systems, home theaters, and high-fidelity music setups.

Key Features

• Output Power: The LM4781TA/NOPB can deliver up to 25W per channel into an 8-ohm load, or 60W into a 4-ohm load when used in a parallel configuration, ensuring robust performance for most audio applications.
• Audio Channels: This amplifier is a three-channel device, providing flexibility in setting up stereo systems with an additional channel for a subwoofer or center speaker, or full three-channel audio output.
• Low Distortion: With a total harmonic distortion plus noise (THD+N) of 0.1% or less, the LM4781TA/NOPB ensures high-fidelity sound reproduction, preserving the integrity of the original audio signal.
• Wide Supply Range: It operates on a supply voltage range from ±20V to ±84V, accommodating a variety of power requirements for different audio setups.
• Protection Features: The device includes built-in mute and standby functions, as well as over-voltage, under-voltage, and short-circuit protection, enhancing the safety and longevity of both the amplifier and the speakers.

Applications

The versatility of the LM4781TA/NOPB makes it suitable for a wide array of applications, including:

• Multi-channel audio systems
• Home theater systems
• Mini and micro component systems
• TV sound systems
• Active speaker systems

Quality and Reliability

As part of Texas Instruments' commitment to quality, the LM4781TA/NOPB is designed with the latest technology for optimal performance and reliability. It comes in a non-isolated TO-220 package, providing efficient heat dissipation and ease of mounting. The "NOPB" designation indicates that the product is lead-free, making it compliant with RoHS regulations and suitable for use in environmentally sensitive applications.