OPA128KM

Instrumentation, Op Amps, Buffer Amps Overview

The OPA128KM is a precision operational amplifier manufactured by Texas Instruments, featuring ultra-low bias current characteristics inherent to its JFET input stage. This component is designed for high-impedance signal applications requiring minimal input loading. The device utilizes a metal can package configuration, specifically the K-module variant, which provides robust environmental protection and stability. It operates as a single-channel amplifier with differential FET input architecture, optimized for maintaining signal integrity in sensitive measurement circuits.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Ultra-low input bias current capability suitable for high-impedance sources
• Differential FET input stage architecture for superior noise performance
• Metal can packaging providing enhanced environmental durability

Instrumentation, Op Amps, Buffer Amps Applications

• Photodiode amplification circuits
• Electrometer input stages
• High-impedance sensor conditioning

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm package integrity upon receipt, as metal can packages require careful handling to prevent mechanical damage. Cross-reference manufacturer datasheets for specific pinout and electrical limits before integration into final designs.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when ultra-low bias current is critical for minimizing error in high-impedance signal paths. Consider the metal can package constraints regarding board space and thermal management compared to plastic alternatives. Ensure circuit design accommodates the specific input capacitance and voltage ranges defined in the official specifications.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA128 series of precision JFET-input operational amplifiers. The KM suffix denotes the specific metal can package variant offered by Texas Instruments. This series is engineered for applications demanding exceptional DC precision and low noise performance in challenging environments.