The LM48511SQBD is a high-performance audio power amplifier from Texas Instruments, designed to deliver premium sound quality for a wide range of applications. This sophisticated audio component is ideal for portable and consumer electronics where space is at a premium and high-quality audio is a must.
Key Features
- Output Power: The LM48511SQBD is capable of driving 1.7W continuous average power into an 8Ω load with less than 1% distortion (THD+N) when powered by a 5V power supply, making it a powerful choice for its size.
- Efficiency: It boasts a high efficiency of over 90% under certain conditions, which not only conserves energy but also minimizes heat dissipation—a critical factor in the design of compact electronic devices.
- Advanced Modulation Scheme: The device employs a spread-spectrum modulation technique that enhances the audio performance by reducing electromagnetic interference (EMI), allowing for the use in RF-sensitive environments.
- Micro-Power Shutdown Mode: The LM48511SQBD features a micro-power shutdown mode with an ultra-low quiescent current, which is particularly useful for extending battery life in portable applications.
Applications
The versatility of the LM48511SQBD makes it suitable for an array of applications, including but not limited to:
- Mobile Phones and Smartphones
- Portable Media Players
- Tablet Computers
- GPS Devices
- Laptop and Notebook Computers
Technical Specifications
| Parameter |
Value |
| Output Power (8Ω Load) |
1.7W (5V supply) |
| THD+N |
<1% at 1.7W |
| Efficiency |
>90% |
| Shutdown Current |
0.7µA (typical) |
For designers and engineers looking for a compact, efficient, and high-quality audio amplification solution, the LM48511SQBD from Texas Instruments stands out as a robust option that meets the demanding requirements of today's portable electronics.