STA8089FG Overview
The STA8089FG is a highly integrated power amplifier IC designed for efficient and reliable audio amplification in portable and compact devices. Featuring a high output power capability with low distortion, it delivers excellent audio quality while maintaining low power consumption. Its advanced protection features ensure robust operation under various conditions, making it suitable for a wide range of consumer electronics. The device is optimized for ease of integration, supporting flexible power supply ranges and thermal management. For detailed technical data and sourcing, visit IC Manufacturer.
STA8089FG Technical Specifications
| Parameter | Specification |
|---|---|
| Output Power (THD = 10%) | Up to 3.5 W @ 4?? |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Total Harmonic Distortion + Noise (THD+N) | Typically 0.1% at 1 W output |
| Signal-to-Noise Ratio (SNR) | Greater than 90 dB |
| Quiescent Current | 6 mA (typical) |
| Thermal Shutdown | Integrated |
| Package Type | QFN-16 |
| Gain | Fixed Gain 26 dB |
| Input Impedance | 20 k?? |
| Operating Temperature Range | -40??C to +85??C |
STA8089FG Key Features
- High Output Power: Delivers up to 3.5 W into a 4?? load, enabling clear and loud audio performance in compact devices.
- Wide Supply Voltage Range: Operates from 2.7 V to 5.5 V, providing flexibility for battery-powered and system applications.
- Low Distortion and Noise: Ensures high-fidelity audio output with THD+N typically at 0.1%, enhancing user experience.
- Thermal Protection: Integrated thermal shutdown protects the device from overheating, improving reliability and safety.
- Compact QFN-16 Package: Minimizes PCB footprint, supporting high-density designs and effective heat dissipation.
Typical Applications
- Portable audio devices such as Bluetooth speakers and MP3 players, where efficient power amplification and compact size are critical.
- Handheld communication devices requiring clear voice amplification with low power consumption.
- Consumer electronics including tablets and smartphones, enhancing audio output quality without bulky external components.
- Embedded audio systems in industrial or automotive environments, benefiting from robust thermal management and integrated protection.
STA8089FG Advantages vs Typical Alternatives
This amplifier IC offers a superior combination of output power and low distortion at a wide supply voltage range, outperforming many standard amplifiers in noise performance and efficiency. Its integrated thermal shutdown and compact package design provide enhanced reliability and ease of integration, reducing the need for additional protection circuitry and saving PCB space. These advantages make it a preferred choice for designers focusing on high-quality audio in portable and space-constrained applications.
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STA8089FG Brand Info
The STA8089FG is a power amplifier IC developed by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in analog, digital, and mixed-signal integrated circuits for a broad range of industrial and consumer applications. The STA8089FG reflects ST??s commitment to delivering efficient, robust, and high-performance audio solutions tailored for compact and battery-powered devices. With proven expertise in power management and audio amplification, STMicroelectronics provides comprehensive support and documentation to facilitate seamless design-in and production.
FAQ
What is the typical supply voltage range supported by this amplifier?
The device operates over a supply voltage range of 2.7 V to 5.5 V, allowing it to be used in various portable and battery-powered electronics without requiring complex power conversion.
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How does the STA8089FG handle thermal management?
It includes an integrated thermal shutdown feature which protects the IC from damage due to excessive temperature rise, ensuring safe and reliable operation under different thermal conditions.
