STMicroelectronics MC33078DT Dual General-Purpose Operational Amplifier (Automotive AEC-Q100)

High-Performance Analog Solution for Automotive and Industrial Applications

STMicroelectronics' MC33078DT represents the pinnacle of operational amplifier technology, combining precision engineering with automotive-grade reliability. This dual-channel general-purpose amplifier has been specifically designed to meet the rigorous demands of modern electronic systems, offering exceptional performance across a wide range of operating conditions. With its AEC-Q100 qualification, the MC33078DT establishes itself as a critical component for automotive electronics while maintaining versatility for industrial applications.

Technical Excellence in Amplification

At its core, the MC33078DT delivers impressive technical specifications that set it apart in the operational amplifier market. The device achieves a remarkable 15 MHz gain bandwidth product while maintaining a 7V/µs slew rate, ensuring accurate signal processing even at high frequencies. Its 37 mA output current capability per channel provides ample drive strength for demanding loads, while the 250 nA input bias current minimizes signal distortion. The precision characteristics are further enhanced by a low 150 µV input offset voltage, guaranteeing measurement accuracy across temperature extremes.

Automotive-Grade Reliability

Built to withstand the most challenging environments, this amplifier has earned the prestigious AEC-Q100 automotive qualification. Its robust design tolerates extreme temperature variations (-40°C to 105°C), making it ideal for under-the-hood automotive applications. The surface-mount 8-SOIC package combines space efficiency with excellent thermal management, while maintaining industry-standard pin compatibility for easy integration into existing designs.

Design Flexibility and Performance

The MC33078DT's wide supply voltage range (5-30V) provides exceptional design flexibility, accommodating both low-voltage and high-voltage applications. This versatility makes it suitable for diverse implementations including sensor interfaces, motor controls, and signal conditioning circuits. The amplifier's stability across its entire operating range eliminates the need for additional compensation components, reducing overall system complexity and bill-of-materials costs.

Industrial and Automotive Applications

This operational amplifier finds its strength in both industrial automation systems and automotive electronics. In factory environments, it excels in precision measurement instruments and control systems requiring reliable performance. For automotive applications, its qualification makes it suitable for engine management systems, body electronics, and safety-critical circuits. The device's ability to maintain accuracy under vibration and thermal stress makes it particularly valuable in electric vehicle powertrain systems and advanced driver assistance (ADAS) components.

Package and Manufacturing Advantages

The 8-SOIC surface-mount package (3.90mm width) offers significant advantages for modern PCB designs. Its compact footprint supports high-density layouts while maintaining excellent thermal dissipation characteristics. The tape-and-reel packaging format facilitates automated assembly processes, ensuring consistent production quality and minimizing handling damage. This packaging approach also enhances moisture resistance, crucial for automotive manufacturing environments.

Tags: General Purpose Op-Amp, Surface Mount IC, High-Speed Amplifier, Automotive Electronics, Industrial Applications