LF411CD

Overview

The LF411CD is a precision JFET-input operational amplifier manufactured by Texas Instruments. It features a single channel in an SOIC-8 package with a gain-bandwidth product of 8 MHz and a slew rate of 25 V/us. Key electrical parameters include an input offset voltage of 500 uV, input bias current of 60 pA, and supply voltage range from -15 V to +15 V. The device operates within a temperature range of 0°C to +70°C, consumes 2.5 mA of operating current, and offers a common-mode rejection ratio of 100 dB.

Feature Summary

• JFET input stage providing low input bias current
• Precision design with low input offset voltage
• High slew rate for fast signal response

Applications

• Precision signal conditioning circuits
• Low-noise audio preamplifiers
• Instrumentation amplifiers

Procurement Notes

Verify the specific suffix 'CD' against the manufacturer's datasheet to confirm the commercial temperature range (0°C to +70°C) and SOIC-8 tube packaging. Ensure compatibility with required supply voltages and check for RoHS compliance status as defined in the official documentation before procurement.

Selection Notes

Select this component when low input bias current and high precision are required over ultra-high speed. Compare the 8 MHz bandwidth against higher-speed alternatives if signal frequency exceeds limits. Verify that the SOIC-8 package fits the PCB layout constraints and that the commercial temperature range meets environmental requirements.

Part Context

This part belongs to the LF411 series of precision JFET-input operational amplifiers. It serves as a general-purpose analog building block designed for applications requiring high input impedance and low noise characteristics. The device is widely used in professional audio and measurement equipment where signal integrity is critical.

Replacement Considerations

Official substitutes include LF411CN and LF411ID. Verify pinout compatibility and ensure the replacement matches the required temperature grade and package type.