The STA517B is a high-efficiency, digital audio power amplifier from STMicroelectronics, designed to deliver exceptional sound quality with a high level of power efficiency. This monolithic quad half-bridge stage is fabricated using the advanced BCD (Bipolar CMOS DMOS) technology, which integrates high-side (P-channel) and low-side (N-channel) power MOSFETs with CMOS and bipolar circuits on the same chip.

Key Features

• Power Output: The STA517B is capable of delivering up to 100 watts of continuous power output per channel into 6 ohms, with superb audio performance and minimal power dissipation.
• Flexibility: It is a versatile component, able to operate as 2 channels with full independent PWMs or as a single channel with a full-bridge configuration, providing designers with flexibility in their audio system designs.
• Protection Systems: The device comes equipped with a range of protection systems, including short-circuit protection, thermal overload protection, and a clip detector, ensuring reliable operation under a variety of conditions.
• Efficiency: Thanks to the BCD technology, the STA517B achieves high efficiency, which reduces the need for extensive heat sinking and allows for more compact end-product designs.

Applications

The STA517B is ideal for a wide range of audio applications, including:

• Home theater systems and active speakers
• Car audio amplifiers
• Mini and micro component systems

Technical Specifications

• Supply Voltage Range: 10V to 40V
• Signal-to-Noise Ratio (SNR): Superior SNR for high-quality audio reproduction
• Input Multiplexer: An integrated input multiplexer simplifies the input signal routing.
• I²C Bus Interface: The STA517B features an I²C bus interface for advanced control and diagnostics.

Overall, the STA517B from STMicroelectronics stands out as a robust and efficient solution for modern high-fidelity audio amplification needs, combining power with precision to deliver a high-quality audio experience.