The MAX9770ETI+ from Maxim Integrated is a high-performance, compact audio amplifier that combines efficiency with superb audio fidelity. Designed for portable applications, this integrated circuit is ideal for a wide range of products requiring high-quality sound amplification, such as mobile phones, portable media players, and handheld gaming devices.
Key Features
- High Output Power: The device is capable of delivering 1.2W of continuous output power into an 8Ω load, ensuring loud and clear sound reproduction.
- High Efficiency: With a high efficiency of 85%, the MAX9770ETI+ helps to extend battery life in portable applications.
- Low EMI Emission: The amplifier is designed to minimize electromagnetic interference, making it suitable for use in environments where EMI could be a concern.
- Comprehensive Protection: The device includes built-in thermal overload protection, as well as output short-circuit and under-voltage protection to safeguard the amplifier and connected components.
- Flexible Supply Voltage: It operates over a wide 2.7V to 5.5V supply voltage range, accommodating various power sources and allowing for versatile design options.
Technical Specifications
| Parameter |
Value |
| Output Power |
1.2W into 8Ω |
| Efficiency |
85% |
| Supply Voltage |
2.7V to 5.5V |
| THD+N |
0.02% (typ) |
| Package |
28-TQFN-EP |
The MAX9770ETI+ is available in a compact 28-TQFN-EP (Exposed Pad) package, which aids in thermal management and saves valuable board space. Its small footprint, combined with its impressive audio performance and energy efficiency, make it an excellent choice for designers looking to enhance the audio capabilities of their next-generation portable devices.