STMicroelectronics

MC33078N

MC33078N Description

The MC33078N from STMicroelectronics is a high-performance, general-purpose dual operational amplifier designed for automotive and industrial applications. Operating within a 5V to 30V supply range, it delivers robust performance with a 15MHz gain bandwidth product and a 7V/µs slew rate, making it suitable for high-speed signal conditioning. With low input bias current (250nA) and low input offset voltage (150µV), it ensures precision in analog signal processing. The device is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards. Packaged in an 8-pin Mini DIP and rated for MSL 1 (Unlimited), it offers reliability in harsh environments.

MC33078N Features

• Wide Supply Range: 5V to 30V, accommodating diverse power requirements.
• High Gain Bandwidth (15MHz): Ideal for bandwidth-critical applications.
• Low Noise & Offset: 250nA input bias current and 150µV offset enhance accuracy.
• High Output Drive (37mA/channel): Capable of driving heavy loads.
• Automotive Grade: Qualified for demanding automotive systems.
• Robust Slew Rate (7V/µs): Ensures fast response in dynamic signal processing.
• Dual Op-Amp Configuration: Space-efficient for multi-channel designs.

MC33078N Applications

The MC33078N excels in:

• Active Filters & Signal Conditioning: Precision filtering in audio and sensor interfaces.
• Automotive Systems: Engine control units (ECUs), infotainment, and ADAS.
• Industrial Instrumentation: Data acquisition, process control, and test equipment.
• Medical Devices: Low-noise amplification for diagnostic tools.
• Power Supply Control: Error amplification in voltage regulators.

Conclusion of MC33078N

The MC33078N stands out as a versatile, high-performance op-amp with automotive-grade reliability and wide voltage compatibility. Its combination of low noise, high slew rate, and robust output drive makes it a preferred choice for precision analog designs. While marked obsolete, its legacy performance ensures continued relevance in legacy systems and replacements. Engineers value its balance of speed, accuracy, and durability in critical applications.