LF353M

Overview

The LF353M is a dual operational amplifier featuring JFET inputs, manufactured by National Semiconductor. It provides wide bandwidth and low input bias currents suitable for high-speed signal processing. The device integrates two independent amplifiers within a single package, offering internally compensated offset voltage to simplify circuit design. This component is designed for applications requiring high input impedance and fast slew rates.

Feature Summary

• JFET input stage providing high input impedance
• Internally compensated for stability
• Wide gain-bandwidth product
• Low input bias current

Applications

• High-speed integrators
• Sample-and-hold circuits
• Transducer amplifiers

Procurement Notes

Verify the manufacturer designation on the component marking against National Semiconductor records. Confirm the suffix 'M' corresponds to the specific package type and temperature range defined in the official datasheet. Ensure the part number matches the exact revision required for your design specifications.

Selection Notes

Select this component when JFET input characteristics are required for minimal loading of high-impedance sources. Compare performance metrics such as slew rate and bandwidth against alternative dual op-amps. Verify that the operating temperature range and package availability meet the system requirements.

Part Context

This part belongs to the LF35x family of wide bandwidth dual JFET input operational amplifiers. The family includes variants with different package options and temperature ratings. These amplifiers are commonly used in analog signal conditioning where low input current is critical.