The STA8100GAS is a high-performance digital audio amplifier designed for efficient power delivery and superior sound quality in compact applications. Its integrated class-D architecture enables low power consumption while delivering up to 40W output power per channel, making it ideal for multimedia devices and portable audio systems. Featuring advanced protection mechanisms and flexible interface options, this amplifier ensures robust operation under varying electrical conditions. The STA8100GAS??s compact footprint and optimized thermal design facilitate seamless integration in space-constrained environments. Available through IC Manufacturer, it addresses the needs of engineers seeking reliable, high-fidelity audio amplification solutions.
STA8100GAS Technical Specifications
Parameter
Specification
Output Power (THD+N=10%, 4??)
40W per channel
Supply Voltage Range
8V to 18V
Class of Amplifier
Class-D
Total Harmonic Distortion + Noise (THD+N)
0.03% (typical)
Signal-to-Noise Ratio (SNR)
?? 95 dB
Operating Temperature Range
-40??C to +85??C
Package Type
QFN-32
Thermal Protection
Integrated
Short-Circuit Protection
Yes
Standby Current
< 1 mA
STA8100GAS Key Features
High Output Power: Delivers up to 40W per channel at 4?? load, providing clear and powerful audio suitable for multimedia systems.
Efficient Class-D Amplification: Ensures low power dissipation and extended battery life, critical for portable and embedded applications.
Integrated Protection Circuits: Includes thermal shutdown and short-circuit protection to enhance reliability and safeguard the device.
Wide Supply Voltage Range: Supports operation from 8V to 18V, allowing flexibility in various power environments.
Low Distortion and Noise: Achieves 0.03% THD+N and ??95 dB SNR, ensuring high-fidelity audio reproduction.
Compact QFN-32 Package: Optimizes PCB space and improves thermal performance for integration in size-constrained designs.
Low Standby Current: Minimizes power consumption during idle modes, enhancing overall system efficiency.
Typical Applications
Portable multimedia devices such as tablets and handheld gaming consoles requiring compact, efficient audio amplification with clear sound output.
Soundbars and home audio systems where high power and low distortion are essential for immersive listening experiences.
Smart speakers and voice-controlled assistants that demand low noise and reliable protection in a compact form factor.
Automotive infotainment systems benefiting from robust thermal management and protection features in harsh environments.
STA8100GAS Advantages vs Typical Alternatives
This digital amplifier stands out due to its combination of high output power and low distortion within a compact QFN package. Its class-D design reduces power loss, improving efficiency compared to traditional linear amplifiers. The integrated thermal and short-circuit protections increase reliability and reduce design complexity, supporting robust operation in industrial and consumer settings. Additionally, its wide supply voltage range and low standby current enhance flexibility and energy savings over typical alternatives.
The STA8100GAS is a product of STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics is renowned for its innovation in power management and audio amplification ICs, delivering reliable and energy-efficient components for diverse markets. The STA8100GAS exemplifies ST??s commitment to high-performance audio solutions, offering engineers a robust and integrated amplifier designed for modern multimedia and industrial applications.
