onsemi

MC33078DR2

MC33078DR2 Description

The MC33078DR2 from onsemi is a dual-channel, low-noise operational amplifier designed for general-purpose applications requiring high performance and reliability. Packaged in an 8-SOIC surface-mount configuration and supplied in Tape & Reel (TR), this IC is optimized for precision analog signal processing. With a wide supply voltage range (10V to 36V), it accommodates diverse power requirements while delivering low input bias current (300 nA) and minimal input offset voltage (150 µV). Although marked as obsolete, its robust design and REACH compliance ensure continued suitability for legacy and specialized systems.

MC33078DR2 Features

• High Gain Bandwidth (16 MHz): Ensures stable performance in high-frequency applications.
• Low Noise & High Slew Rate (7V/µs): Ideal for audio, instrumentation, and signal conditioning.
• Dual-Channel Design: Two independent op-amps in a compact 8-SOIC package.
• Wide Supply Range (10V–36V): Supports both single and split-rail configurations.
• Low Power Consumption (4.1mA per channel): Balances performance with energy efficiency.
• High Output Current (37mA per channel): Drives capacitive or low-impedance loads effectively.
• MSL 1 (Unlimited): Suitable for extended storage without moisture sensitivity concerns.

MC33078DR2 Applications

• Audio Systems: Preamplifiers, active filters, and mixers benefit from its low noise and high slew rate.
• Industrial Controls: Signal conditioning, sensor interfacing, and PID loops leverage its precision.
• Test & Measurement Equipment: Stable performance in oscilloscopes and data acquisition systems.
• Medical Devices: ECG amplifiers and patient monitoring systems requiring low drift.
• Automotive Electronics: Robust operation in harsh environments due to wide voltage tolerance.

Conclusion of MC33078DR2

The MC33078DR2 stands out for its low-noise, high-speed performance and versatile supply range, making it a preferred choice for demanding analog circuits. While obsolete, its reliability and technical specs ensure relevance in audio, industrial, and medical applications. Engineers seeking a cost-effective, dual-channel op-amp with low distortion and high output drive will find this IC exceptionally capable. For legacy designs or replacements, it remains a trusted solution from onsemi’s proven portfolio.