LF442CN/NOPB

Overview

The LF442CN/NOPB is a dual low-power JFET input operational amplifier manufactured by Texas Instruments. It features high input impedance, low input bias current, and low input offset current. The device offers high slew rates and gain bandwidth products with large output voltage swing capabilities. It includes output short circuit protection and is specified for the commercial temperature range. Available in plastic dual in-line packages.

Feature Summary

• JFET input stage providing high input impedance and low bias current
• Low power consumption design suitable for battery applications
• Output short circuit protection for enhanced reliability
• Large output voltage swing capability

Applications

• Low power signal conditioning circuits
• High impedance sensor interfaces
• Precision analog signal processing
• Audio preamplifier stages

Procurement Notes

Verify the exact suffix against the manufacturer's official documentation to confirm package type and temperature range specifications. Ensure the component matches the required pinout and electrical characteristics for your specific application design before procurement.

Selection Notes

Select this component for applications requiring high input impedance combined with low power consumption. Consider the commercial temperature range limitations and ensure the supply voltage meets the operational requirements for the desired output swing.

Part Context

This part belongs to the LF44x series of low-power JFET input operational amplifiers from Texas Instruments. It is a dual-channel variant designed to replace older National Semiconductor equivalents while maintaining similar performance characteristics in modern electronic designs.

Replacement Considerations

The LF442CN is functionally equivalent to the LF442CN/NOPB. Cross-reference with TL062 series devices for similar JFET input characteristics if alternative sourcing is required.