The LM4839MTBD from Texas Instruments is a fully integrated audio amplifier designed to deliver high-quality stereo sound for a variety of consumer electronics. This compact and efficient device is a perfect solution for applications where space and power efficiency are critical, such as in portable devices, laptops, and other personal audio systems.
Key Features
- Output Power: The LM4839 is capable of delivering 2W of continuous average power to a 4 Ohm BTL load with less than 1% THD+N from a 5V DC power supply, ensuring loud and clear audio reproduction.
- Boomer Audio Power Amplifier: As part of TI's Boomer® series, the LM4839 is designed specifically for high-quality audio applications with minimal power consumption, making it ideal for portable electronics.
- Efficiency: The device features a high-efficiency switching mode that significantly reduces heat dissipation and power consumption, which is crucial for battery-powered devices.
- Micro-Power Shutdown Mode: An additional benefit for portable applications is the micro-power shutdown mode feature, which reduces power consumption when the amplifier is not in use.
- Advanced Pop & Click Circuitry: This integrated circuitry eliminates noise which can occur during turn-on and turn-off transitions, ensuring a smooth audio experience.
Technical Specifications
- Supply Voltage Range: 2.7V - 5.5V
- THD+N at 1kHz at 1W continuous average output power: 0.1%
- Shutdown Current: 0.7µA (typical)
- Surface-Mount Package: TSSOP
The LM4839MTBD is packaged in a thermally enhanced, space-saving 28-pin TSSOP that is ideal for applications where space is at a premium. Its operational flexibility and comprehensive feature set make it an excellent choice for designers looking to enhance the audio performance of their products without compromising on space or power efficiency.
Whether you're designing a sophisticated portable media player, a high-quality sound system for a laptop, or any other application requiring robust audio amplification, the LM4839MTBD from Texas Instruments stands out as a superior choice for your audio amplification needs.
