LF412MH/NOPB

Overview

The LF412MH/NOPB is a dual operational amplifier manufactured by Texas Instruments, originally part of the National Semiconductor portfolio. It features JFET input transistors and an internal frequency compensation capacitor for stability. The device utilizes a metal can package (MBCY8) designed for high reliability in military or aerospace environments. Key electrical characteristics include a maximum input offset voltage of 3000 µV and a bandwidth of 4 MHz. It operates with low power consumption and offers high input impedance suitable for precision analog signal processing applications.

Feature Summary

• JFET input stage providing high input impedance and low bias current
• Internal frequency compensation ensures stability without external components
• Metal can packaging (MBCY8) supports rigorous environmental standards

Applications

• Precision instrumentation circuits requiring low drift
• Aerospace and defense signal conditioning systems
• High-impedance sensor interfaces

Procurement Notes

Verify the manufacturer origin carefully, as National Semiconductor was acquired by Texas Instruments. Ensure the suffix /NOPB confirms lead-free compliance and RoHS status. Confirm the MBCY8 metal can package matches the required form factor for your specific board layout or socket constraints before finalizing procurement.

Selection Notes

Select this component when a dual op-amp with JFET inputs is required in a hermetic metal package. It serves as a robust alternative to plastic-packaged variants like the LF412CH/NOPB for harsh environments. Consider the 4 MHz bandwidth and 3000 µV max offset voltage against system requirements for speed and DC accuracy.

Part Context

This part belongs to the LF412 family of dual JFET-input operational amplifiers. While National Semiconductor originally developed this series, production and documentation are now managed by Texas Instruments following their acquisition. The MH variant specifically denotes the military-grade metal can construction, distinguishing it from commercial plastic packages.

Replacement Considerations

The LF412CH/NOPB is a documented equivalent within the same product family, offering identical electrical performance but in a plastic DIP package. Verify if the hermetic metal can requirement of the MH variant can be relaxed to allow substitution with the CH version.