OPA404KP

Instrumentation, Op Amps, Buffer Amps Overview

The OPA404KP is a quad high-speed precision operational amplifier manufactured by Texas Instruments, utilizing BiFET technology. It features a gain-bandwidth product of 6.4 MHz and a slew rate of 35 V/us. The device operates within a supply voltage range of 5 V to 18 V, with a maximum power dissipation of 1 W. Key electrical specifications include an input offset voltage of 260 uV, input bias current of 1 pA, common-mode rejection ratio of 100 dB, and input voltage noise density of 15 nV/sqrt Hz. It provides rail-to-rail output capability and is housed in a PDIP-14 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Quad configuration integrating four wideband amplifiers on a single chip
• BiFET technology enabling ultra-low input bias current for precision applications
• Rail-to-rail output swing maximizing dynamic range across the supply voltage

Instrumentation, Op Amps, Buffer Amps Applications

• High-speed data acquisition systems requiring low distortion
• Precision instrumentation circuits demanding high common-mode rejection
• Transimpedance amplifier configurations for photodiode signal conditioning

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify component authenticity through authorized channels as the OPA404KP has reached end-of-life status. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Cross-reference datasheet revisions to ensure compatibility with existing design parameters before final procurement decisions.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when multiple high-speed precision channels are required in a compact form factor. The BiFET architecture suits applications sensitive to input bias currents. Ensure the PDIP-14 package fits the target PCB layout constraints and thermal management requirements compared to surface-mount alternatives.

Instrumentation, Op Amps, Buffer Amps Part Context

Part of the OPA404 series offering quad-channel precision amplification. Distinguished from variants like OPA404KU or OPA404BG by its specific PDIP-14 through-hole packaging. Shares core electrical characteristics with the family while providing distinct mechanical mounting options for legacy or prototyping designs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers: None.