Product Overview: LM4951SD/NOPB

The LM4951SD/NOPB is an integrated audio amplifier produced by Texas Instruments, designed to deliver high-quality, high-power output with minimal external components. This advanced audio solution is perfect for a range of applications, including but not limited to, multimedia speakers, portable audio systems, and TVs. The device comes in a compact, surface-mount package that is ideal for space-constrained applications.

Key Features

• Amplifier Type: The LM4951SD/NOPB is a Class AB audio amplifier, which provides a good balance between efficiency and linearity, resulting in high-quality audio reproduction with low distortion.
• Output Power: It is capable of delivering 3.1W of continuous average power to a 3Ω load with less than 10% THD+N when powered by a 5V power supply, making it suitable for a variety of demanding audio applications.
• Supply Voltage Range: The amplifier operates over a wide supply voltage range from 2.2V to 5.5V, allowing for flexible usage in different circuit configurations and with various power sources.
• Shutdown Mode: A low-power shutdown mode is integrated, which significantly reduces power consumption when the amplifier is not in use, thereby conserving energy and extending battery life in portable applications.
• Thermal Protection: The device includes built-in thermal shutdown protection, which safeguards the amplifier from damage due to overheating, ensuring reliability and longevity.

Package and Quality

The LM4951SD/NOPB comes in a space-saving 14-pin WSON package, which is not only compact but also offers excellent power dissipation characteristics. Additionally, the "NOPB" suffix indicates that the product is lead-free and RoHS compliant, aligning with environmental standards and regulations for electronic components.

Applications

• Multimedia Speakers
• Portable Audio Devices
• Desktop Computers
• TVs

With its robust design, versatile power handling, and compact footprint, the LM4951SD/NOPB from Texas Instruments is an excellent choice for designers seeking a high-performance audio amplifier solution that combines efficiency, quality, and reliability.