STA8089FGBDTR Overview
The STA8089FGBDTR is a highly integrated automotive power amplifier designed for efficient audio amplification in vehicle infotainment systems. Featuring 4 channels with a class-AB amplifier configuration, it delivers robust output power while maintaining low distortion and high signal-to-noise ratio. This device supports advanced diagnostic and protection features such as overtemperature and short-circuit protection, making it suitable for harsh automotive environments. The compact 36-pin LQFP package ensures easy PCB integration and reliable thermal management. For detailed technical support and ordering information, visit IC Manufacturer.
STA8089FGBDTR Technical Specifications
| Parameter | Specification |
|---|---|
| Amplifier Type | 4-Channel Class AB |
| Output Power (4??, 14.4V, THD=10%) | 22.5 W per channel |
| Supply Voltage Range | 8 V to 18 V |
| Total Harmonic Distortion + Noise (THD+N) | 0.03% at 1 kHz, 1 W |
| Signal-to-Noise Ratio (SNR) | ?? 98 dB |
| Package Type | 36-pin LQFP |
| Operating Temperature Range | -40??C to +125??C |
| Protection Features | Overtemperature, Short Circuit, Overvoltage, Load Dump |
STA8089FGBDTR Key Features
- 4-channel Class AB Amplification: Enables simultaneous multi-speaker driving with clear audio output, enhancing in-car sound experiences.
- Robust Protection Mechanisms: Integrated overtemperature and short-circuit protections safeguard the device under extreme conditions, improving reliability.
- Low Distortion and High SNR: Ensures high-fidelity audio performance critical for premium automotive audio systems.
- Wide Supply Voltage Range: Operates efficiently across typical automotive battery voltages, ensuring stable performance during engine start-stop and voltage fluctuations.
Typical Applications
- Automotive infotainment systems needing multi-channel audio amplification with high efficiency and reliability in demanding environments.
- Car audio amplifiers designed to deliver clear, distortion-free sound across multiple speakers.
- In-vehicle multimedia systems requiring compact, thermally efficient power amplifier solutions.
- Electric and hybrid vehicles where robust protection against voltage transients is essential.
STA8089FGBDTR Advantages vs Typical Alternatives
This amplifier stands out by combining high output power with exceptionally low distortion and comprehensive protection features, ensuring reliable and high-quality audio performance in automotive applications. Its wide supply voltage tolerance and thermal robustness provide superior operational stability compared to typical class-D or class-AB amplifiers without integrated protections, making it an efficient and dependable choice for modern vehicle audio systems.
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STA8089FGBDTR Brand Info
The STA8089FGBDTR is a product from STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in automotive-grade integrated circuits that meet stringent reliability and performance standards. This device reflects the brand??s commitment to innovation in automotive audio amplification, offering robust design and advanced features tailored for in-vehicle entertainment systems.
FAQ
What is the maximum output power of the STA8089FGBDTR?
The device delivers a maximum output power of 22.5 watts per channel into a 4-ohm load at 14.4 volts with a total harmonic distortion of 10%. This power level supports high-quality audio output for automotive speaker systems.
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How does the STA8089FGBDTR handle protection against faults?
It integrates multiple protection features including overtemperature shutdown, short-circuit protection, overvoltage and load dump protection. These functions help prevent damage to the amplifier and ensure system reliability in harsh automotive environments.
What package type is used for the STA8089FGBDTR and why is it important?
The device comes in a 36-pin LQFP package, which





