STMicroelectronics

MC3403N

MC3403N Description

The MC3403N is a general-purpose operational amplifier (op-amp) from STMicroelectronics, designed to deliver reliable performance in a variety of analog applications. This quad-channel op-amp is housed in a through-hole package, making it suitable for both prototyping and production environments. Although the product is now obsolete, its robust design and performance characteristics continue to be relevant for many legacy systems and applications.

MC3403N Features

• Wide Supply Voltage Range: The MC3403N operates with a supply voltage range of 3 V to 36 V, providing flexibility in power supply requirements.
• High Gain Bandwidth Product: With a gain bandwidth product of 1 MHz, this op-amp ensures stable performance across a broad frequency spectrum.
• Low Input Bias Current: The input bias current is as low as 40 nA, which minimizes the impact on sensitive input signals.
• Low Input Offset Voltage: An input offset voltage of 1 mV ensures high accuracy in signal processing.
• High Slew Rate: The 0.5 V/µs slew rate allows for fast response times, making it suitable for applications requiring rapid signal transitions.
• High Output Current: Each channel can deliver up to 30 mA of output current, enabling the op-amp to drive a variety of loads.
• Compliance and Reliability: The MC3403N is REACH unaffected and ROHS3 compliant, ensuring environmental and safety standards are met. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions.
• Operating Temperature Range: The operating temperature range of 0°C to 70°C makes it suitable for a wide range of environmental conditions.
• Quad-Channel Design: With four independent op-amp channels, the MC3403N is ideal for applications requiring multiple amplification paths.

MC3403N Applications

The MC3403N is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning low-level signals in instrumentation and measurement systems.
• Audio Processing: Suitable for audio amplifiers and preamplifiers, providing high-fidelity signal processing.
• Analog Filters: Can be used to design active filters for signal processing applications.
• Sensor Interfaces: Effective in interfacing with various sensors, amplifying sensor outputs for further processing.
• Power Supply Control: Useful in feedback loops for power supply regulation and stabilization.
• Educational and Development Boards: Due to its through-hole package, it is easy to use on breadboards and development boards for educational purposes and prototyping.

Conclusion of MC3403N

Despite its obsolete status, the MC3403N remains a reliable choice for applications requiring a general-purpose op-amp. Its wide supply voltage range, low input bias current, and high slew rate make it a versatile component for various analog circuits. The quad-channel design further enhances its utility in applications requiring multiple amplification paths. While newer models may offer enhanced performance, the MC3403N continues to provide a cost-effective and reliable solution for many legacy systems and new designs where its specifications are well-suited.