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MC33077D

MC33077D Description

The MC33077D from onsemi is a dual-channel, low-noise operational amplifier designed for precision analog applications. Packaged in an 8-SOIC and supplied in tubes, this IC operates over a wide voltage range of 5V to 36V, making it versatile for both low and high-voltage systems. With a gain bandwidth product of 37 MHz and a slew rate of 11V/µs, it delivers excellent high-frequency performance, while its low input bias current (280 nA) and minimal input offset voltage (130 µV) ensure accuracy in signal conditioning. Though marked obsolete, its robust design remains relevant for legacy or specialized systems requiring stable, low-noise amplification.

MC33077D Features

• Dual General-Purpose Op-Amp: Two independent amplifiers in a single 8-SOIC package.
• Low Noise & High Precision: Ideal for sensitive analog circuits with 130 µV offset voltage and 280 nA input bias current.
• Wide Supply Range: Supports 5V to 36V, accommodating diverse power requirements.
• High-Speed Performance: 37 MHz bandwidth and 11V/µs slew rate for dynamic signal processing.
• Strong Output Drive: 33 mA output current per channel for driving moderate loads.
• Surface-Mount Design: Compact 8-SOIC package suits space-constrained PCBs.
• Low Power Consumption: 3.5mA supply current balances performance and efficiency.

MC33077D Applications

• Audio Processing: Low-noise amplification in preamps, mixers, and filters.
• Instrumentation Amplifiers: Precision signal conditioning in test equipment.
• Active Filters & Oscillators: High bandwidth supports RF and communication circuits.
• Sensor Interfaces: Accurate amplification for strain gauges, thermocouples, and transducers.
• Industrial Control Systems: Reliable operation in motor drives and power supplies.

Conclusion of MC33077D

The MC33077D excels in low-noise, high-precision applications where bandwidth and stability are critical. While obsolete, its wide voltage range, robust output drive, and low distortion make it a viable choice for legacy designs or niche requirements. Engineers valuing performance over availability may still leverage its strengths in audio, instrumentation, and industrial systems. For modern replacements, consider onsemi’s updated offerings with similar specs but active production status.