STA8100GATR Overview
The STA8100GATR is a high-performance, fully integrated digital audio amplifier designed for industrial and consumer audio applications. Delivering robust power output with minimal external components, this device supports advanced digital input interfaces, offering superior sound quality and system efficiency. Its compact footprint and integrated protection features make it ideal for space-constrained environments where reliability and audio fidelity are critical. The device is optimized for seamless integration in embedded systems, providing engineers and sourcing specialists with a reliable solution for driving loudspeakers in various industrial contexts. More information is available at IC Manufacturer.
STA8100GATR Technical Specifications
| Parameter | Specification |
|---|---|
| Output Power (THD+N=10%) | 2 x 40W @ 4??, 2 x 25W @ 8?? |
| Supply Voltage Range | 8V to 18V |
| Digital Audio Interface | I2S compatible, up to 192kHz sample rate |
| THD+N (Total Harmonic Distortion + Noise) | 0.04% typical at 1W, 4?? |
| Signal-to-Noise Ratio (SNR) | ?? 100dB |
| Efficiency | Up to 90% (Class-D operation) |
| Protection Features | Over-temperature, over-current, short-circuit protection |
| Package | HTSSOP-28 |
STA8100GATR Key Features
- High Power Density: Delivers up to 40W per channel into 4?? loads, enabling clear, loud audio output suitable for demanding industrial environments.
- Integrated Digital Audio Input: Supports I2S interface with sample rates up to 192kHz, allowing direct connection to digital audio sources for reduced signal loss and distortion.
- Advanced Protection Circuitry: Built-in thermal, over-current, and short-circuit protections enhance system reliability and reduce downtime.
- Class-D Efficiency: High efficiency operation minimizes heat dissipation and power consumption, simplifying thermal management in compact designs.
Typical Applications
- Industrial audio amplification systems requiring compact size and reliable high-power output to drive speakers in harsh environments.
- Embedded audio solutions in machinery or control panels where digital audio interfaces provide clean signal paths.
- Public address and announcement systems demanding durable amplifiers with integrated protection features for continuous operation.
- Consumer electronics such as smart speakers or soundbars benefiting from compact, efficient Class-D amplification technology.
STA8100GATR Advantages vs Typical Alternatives
This amplifier stands out from typical alternatives by combining high output power with integrated digital input support and comprehensive protection features. Its Class-D architecture ensures superior energy efficiency and minimal heat generation, reducing cooling requirements. The integration of digital audio interfaces simplifies system design and improves audio fidelity compared to analog input amplifiers. These factors contribute to enhanced reliability, easier integration, and lower total system cost.
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STA8100GATR Brand Info
The STA8100GATR is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in innovative analog, digital, and mixed-signal ICs that serve a broad range of applications including industrial, automotive, and consumer electronics. This device exemplifies ST??s commitment to delivering high-quality, power-efficient audio amplification ICs that meet the demanding needs of modern embedded systems and industrial applications.
FAQ
What is the maximum output power of this amplifier?
The device delivers a maximum output power of 40W per channel into a 4?? load with a total harmonic distortion plus noise (THD+N) of 10%. This ensures strong audio output suitable for both industrial and consumer applications.
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Which digital audio interfaces are supported by this amplifier?
The amplifier supports the I2S digital audio interface and can handle sample rates up to 192kHz, enabling direct connection to high-quality digital audio sources without the need for additional digital-to-analog conversion stages.
How does the built-in protection improve reliability?
Integrated protection features such as over-temperature shutdown, over-current detection, and short-circuit protection safeguard the device from common fault conditions. This reduces the risk of damage and increases operational uptime in demanding industrial environments.






