STA709 Overview
The STA709 is a high-performance integrated amplifier designed for efficient audio power amplification in various consumer and industrial applications. It offers a robust output power capability with low distortion and high fidelity sound reproduction, making it suitable for driving speakers in compact audio systems. With built-in thermal and short-circuit protection, it ensures reliable operation under demanding conditions. The device supports a wide supply voltage range and includes features that simplify system design, reducing the need for external components. For engineers seeking a compact, reliable, and efficient amplifier IC, the STA709 delivers consistent performance in audio amplification solutions. Learn more from 集成电路制造商.
STA709 Technical Specifications
| 参数 | 规格 |
|---|---|
| Output Power (Pout) | Typically 9W into 8?? load at 14.4V supply |
| 电源电压范围 | 8V to 18V |
| THD+N (Total Harmonic Distortion + Noise) | Less than 0.3% at 1kHz, 1W output |
| 静态电流 | Approximately 50mA |
| Input Sensitivity | 300mV (typical for full output) |
| 信噪比（SNR） | Greater than 90dB |
| 工作温度范围 | -40°C 至 +85°C |
| 保护功能 | Overtemperature shutdown, short-circuit protection |
| 包装类型 | Multiwatt 11-pin |
STA709 Key Features
- High Output Power: Delivers up to 9W into an 8?? load, enabling clear and powerful audio reproduction in compact devices.
- 宽电源电压范围： Operates efficiently across 8V to 18V, providing flexibility for different system power configurations.
- Built-In Protection: Integrated thermal shutdown and short-circuit protection enhance device reliability and system safety.
- Low Distortion and Noise: Ensures high-fidelity sound output with THD+N below 0.3% and SNR above 90dB, critical for audio clarity.
- Compact Packaging: The Multiwatt 11-pin package reduces PCB space and simplifies integration in space-constrained applications.
- 低静态电流： Helps reduce power consumption during idle operation, improving overall system efficiency.
- Ease of Use: Minimal external components required, streamlining design and reducing total system cost.
Typical Applications of STA709 Amplifier IC
- Portable and compact audio systems requiring reliable and efficient amplification with low distortion and robust output power.
- Car radio audio amplifiers where stable operation across varying supply voltages and protection against harsh conditions are essential.
- Multimedia speakers and soundbars benefiting from integrated protection features and high signal-to-noise ratio for clear sound.
- Industrial audio alert and communication devices that demand compact, durable, and low-power amplifier solutions.
STA709 Advantages vs Typical Alternatives in Audio Amplification
This amplifier IC stands out due to its broad supply voltage tolerance and integrated protection circuitry, offering enhanced reliability and user safety compared to discrete solutions. Its low distortion and noise figures ensure superior audio quality, while the compact Multiwatt package simplifies system design and reduces board footprint. Additionally, the device??s low quiescent current improves energy efficiency, making it an advantageous choice for both portable and fixed installations requiring consistent audio performance.
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STA709 Brand Info and Manufacturer Details
The STA709 is manufactured by STMicroelectronics, a global leader in semiconductor technology known for high-quality analog and mixed-signal devices. STMicroelectronics?? audio amplifier ICs are widely recognized for their robust design, reliability, and performance in automotive and consumer electronics markets. The STA709 continues this tradition by delivering an efficient and protected audio amplification solution that aligns with the company??s commitment to innovation and quality in semiconductor components.
