onsemi

MC33074DG

MC33074DG Description

The MC33074DG from onsemi is a quad general-purpose operational amplifier designed for high-performance analog applications. Housed in a 14-SOIC package, this obsolete but still relevant IC delivers robust performance with a wide supply voltage range (3V to 44V), making it suitable for diverse industrial and automotive environments. It features low input bias current (100nA) and moderate slew rate (13V/µs), ensuring precision and speed in signal conditioning tasks. With a gain bandwidth product of 4.5MHz and output current capability of 30mA per channel, it balances bandwidth and drive strength effectively.

MC33074DG Features

• Wide Supply Range: Operates from 3V to 44V, accommodating both low-voltage and high-voltage systems.
• Low Power Consumption: 1.9mA per amplifier (quad-channel) ensures energy efficiency.
• High Slew Rate: 13V/µs enables fast signal response, ideal for dynamic applications.
• Low Input Offset Voltage: 1mV minimizes errors in precision circuits.
• Robust Packaging: 14-SOIC surface-mount with MSL1 (Unlimited) moisture sensitivity, suitable for automated assembly.
• Compliance: ROHS3 and REACH unaffected, meeting environmental standards.

MC33074DG Applications

• Industrial Control Systems: Signal amplification, filtering, and sensor interfacing due to its wide voltage range and stability.
• Automotive Electronics: Engine control units (ECUs) and power management where ruggedness and reliability are critical.
• Test and Measurement Equipment: Precision signal processing with low noise and distortion.
• Audio Processing: Suitable for pre-amplifiers and active filters with its balanced bandwidth and slew rate.
• Power Supply Control: Error amplification in voltage regulators and feedback loops.

Conclusion of MC33074DG

The MC33074DG is a versatile quad op-amp offering a unique blend of wide voltage operation, moderate speed, and low power consumption. While marked obsolete, its robust design and compliance with modern standards make it a viable choice for legacy systems or applications requiring high-voltage tolerance and multi-channel amplification. Engineers valuing reliability in harsh environments or needing a cost-effective, general-purpose amplifier may find this IC particularly advantageous.