LT1058ISW

Instrumentation, Op Amps, Buffer Amps Overview

The LT1058ISW is a quad JFET input precision high-speed operational amplifier in a 16-lead SOIC package. It features a 5 MHz gain-bandwidth product and a 14 V/µs slew rate. Key electrical specifications include a maximum input offset voltage of 600 µV, a typical bias current of 50 pA at 70°C, and an input noise voltage density of 13 nV/√Hz at 1 kHz. The device operates within a supply voltage range of ±8 V to ±20 V and supports an industrial temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Combines low offset voltage with high speed performance for precision applications
• Features phase reversal protection to prevent output lock-up during common-mode limit exceedance
• Provides high input impedance with picoampere-level bias currents

Instrumentation, Op Amps, Buffer Amps Applications

• Precision instrumentation amplifiers
• Fast sample-and-hold circuits
• Photodiode amplifiers
• Logarithmic amplifiers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the SW package designation matches the required 16-lead wide surface-mount footprint. Ensure the ISW variant meets the necessary -40°C to +85°C operating temperature requirements for the target environment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for designs requiring both high bandwidth and low DC error. It serves as a direct replacement for standard quad JFET op amps while saving board space. Consider the trade-off between its superior speed and slightly higher offset compared to bipolar counterparts.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LT1057/LT1058 family of dual and quad JFET input precision high-speed op amps. The LT1058 specifically offers four matched amplifiers in a single package, replacing multiple discrete units to reduce power dissipation and cost.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT1058SW

Instrumentation, Op Amps, Buffer Amps FAQ

Does the LT1058 exhibit phase reversal?

No, the LT1058 includes a unique phase reversal protection circuit that prevents output lock-up even when the negative common mode limit is exceeded.

What is the input bias current characteristic?

The device utilizes JFET inputs, providing a very low bias current typically specified at 50 pA at 70°C.