Introducing the LM4910MA/NOPB Audio Amplifier from Texas Instruments

The LM4910MA/NOPB is an innovative audio power amplifier designed by Texas Instruments, tailored to deliver high-quality sound in a portable and efficient package. This remarkable component is part of TI's Boomer® series, which is renowned for its ability to produce robust audio performance while meeting the low power demands of battery-operated devices.

Key Features

• Output Power: The LM4910MA/NOPB delivers an impressive 35mW of continuous average power to a 32Ω load with 0.1% THD+N from a 3.3V power supply, making it an excellent choice for personal audio applications.
• Ultra-Low Shutdown Current: It features an ultra-low shutdown current of 0.1nA, which greatly extends battery life, a critical factor for portable electronics.
• No Output Coupling Capacitors: The amplifier's differential design eliminates the need for bulky output coupling capacitors, thus saving space and cost without compromising audio quality.
• Surface-Mount Package: Housed in an 8-pin MSOP surface-mount package, the LM4910MA/NOPB is designed for space-saving applications, making it ideal for integration into compact electronic devices.

Applications

The LM4910MA/NOPB is versatile and can be used in a variety of applications. It is particularly well-suited for:

• Mobile phones and PDAs
• Portable media players
• Laptop and notebook computers
• Portable gaming devices

Technical Specifications

With a wide supply voltage range of 2.7V to 5.5V, the LM4910MA/NOPB can easily adapt to different power environments. Its low quiescent current of 6.7mA (typical) ensures minimal power consumption during operation. The amplifier also boasts a high power supply rejection ratio (PSRR) of 70dB at 217Hz, which reduces the need for regulated power supplies and simplifies circuit design.

The LM4910MA/NOPB stands out as a top-tier audio solution for designers looking to enhance the sound experience in their portable electronic devices. Its combination of power efficiency, space-saving design, and high-quality audio output makes it an excellent choice for a wide range of consumer electronics.