Product Overview: LM4916LDX/NOPB

The LM4916LDX/NOPB is a high-performance audio amplifier from Texas Instruments designed to provide exceptional sound quality for portable devices. This amplifier is part of the Boomer® series, which is known for its low-voltage audio power amplifiers specifically tailored for mobile applications where space and power efficiency are critical.

Key Features

• Output Power: The LM4916LDX/NOPB can deliver 35mW of continuous average power to a 32Ω load with less than 1% distortion (THD+N) from a 3.3V power supply.
• Low Voltage Operation: It operates on a power supply range of 2.4V to 5.5V, making it suitable for a variety of portable devices powered by batteries.
• Low Shutdown Current: The amplifier features a shutdown mode that reduces power consumption when not in use. The shutdown current is typically 0.1µA, which helps to extend battery life.
• Unity-Gain Stable: The LM4916LDX/NOPB can be configured in a unity-gain stable mode, allowing for external gain setting without compromising bandwidth or power consumption.

Applications

The LM4916LDX/NOPB is ideal for adding high-quality audio output to a variety of portable devices, such as:

• Mobile phones
• PDAs
• Laptops
• Portable gaming devices
• MP3 players

Advanced Specifications

• Package: The device comes in a space-saving 9-bump micro SMD package, which is perfect for space-constrained applications.
• Noise Reduction: It includes a bypass pin for an external capacitor that can be used to reduce power supply noise.
• Protection Features: The LM4916LDX/NOPB is equipped with built-in thermal shutdown protection to prevent damage from overheating.

With its combination of low power consumption, small form factor, and high-quality audio output, the LM4916LDX/NOPB from Texas Instruments stands out as an excellent audio amplification solution for designers looking to enhance the user experience of their portable electronic products.