LF347MX

Overview

The LF347MX is a quad operational amplifier featuring JFET inputs, manufactured by onsemi. It integrates matched high-voltage JFETs and bipolar transistors on a single monolithic integrated circuit. The device provides low input current and high slew rate capabilities within a compact surface-mount package.

Feature Summary

• Quad configuration with four independent JFET-input operational amplifiers
• Low input bias current due to JFET input stage technology
• High slew rate performance for fast signal response
• Wide bandwidth suitable for high-speed analog applications

Applications

• Professional audio mixing equipment
• Oscilloscope front-end circuits
• Solar inverter control systems
• UPS drive and control solutions

Procurement Notes

Verify the manufacturer marking matches onsemi specifications. Confirm the package type corresponds to the MX suffix designation. Ensure the component meets required temperature ratings for the intended operating environment. Cross-reference datasheet revisions to confirm pinout compatibility.

Selection Notes

Select this component when multiple independent amplification channels are required in a single package. The JFET input stage offers advantages over bipolar inputs regarding bias current. Consider the wide bandwidth and slew rate for high-frequency signal processing needs.

Part Context

This part belongs to the family of wide-bandwidth quad JFET input operational amplifiers. It is designed for applications requiring multiple high-performance amplifiers in a space-constrained form factor. The technology combines JFET and bipolar processes for optimal performance characteristics.

Replacement Considerations

Check for direct replacements from other manufacturers offering identical quad JFET op-amp configurations. Verify pinout compatibility before substitution. Ensure electrical parameters such as bandwidth and slew rate meet or exceed original requirements.