onsemi

MC33079DG

MC33079DG Description

The MC33079DG from onsemi is a high-performance, quad general-purpose operational amplifier housed in a 14-SOIC package. Designed for precision analog applications, it operates over a wide supply voltage range of 10V to 36V, making it versatile for industrial and automotive systems. With a low input offset voltage of 150 µV and low input bias current of 300 nA, it ensures high accuracy in signal conditioning. The device delivers 16 MHz gain bandwidth product (GBW) and a slew rate of 7V/µs, enabling fast signal processing. Its 8.4mA supply current per amplifier and 37mA output current capability make it efficient for driving moderate loads.

MC33079DG Features

• Quad Op-Amp Configuration: Four independent amplifiers in a single package, reducing board space and cost.
• High GBW & Slew Rate: 16 MHz GBW and 7V/µs slew rate ensure excellent high-frequency performance.
• Wide Supply Range: Operates from ±5V to ±18V (dual supply) or 10V to 36V (single supply).
• Low Noise & Drift: 150 µV max input offset voltage and low bias current enhance precision.
• Robust Output Drive: 37mA output current per channel for driving capacitive or resistive loads.
• Surface-Mount Package: 14-SOIC for compact PCB designs.

MC33079DG Applications

• Active Filters & Signal Conditioning: Ideal for high-speed filtering due to its 16 MHz GBW.
• Industrial Control Systems: Suitable for servo amplifiers, motor control, and instrumentation.
• Audio Processing: Low distortion and high slew rate make it useful in preamplifiers and mixers.
• Automotive Electronics: Operates reliably in harsh environments with a wide temperature range.
• Test & Measurement Equipment: Precision DC and AC amplification for sensors and data acquisition.

Conclusion of MC33079DG

The MC33079DG is a high-speed, low-noise quad op-amp optimized for precision and performance in demanding applications. Its wide supply range, high output drive, and robust design make it superior to generic op-amps, particularly in industrial, automotive, and audio systems. Though marked obsolete, its specifications remain competitive for legacy designs requiring reliable analog signal processing. Engineers seeking a cost-effective, multi-channel amplifier with balanced speed and accuracy should consider this IC.