OPA549SG3

Instrumentation, Op Amps, Buffer Amps Overview

The OPA549SG3 is a high-voltage, high-current operational amplifier manufactured by Texas Instruments. It operates within an 8V to 60V supply range and delivers up to 8A of output current. Key electrical parameters include a gain-bandwidth product of 900 kHz, a slew rate of 9 V/µs, and an input offset voltage of 5 mV. The device features rail-to-rail input and output capabilities, with a shutdown function for power management. It is housed in a TO-220-11 package and supports operation from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides high output current capability suitable for driving various loads directly.
• Features rail-to-rail input and output swing for maximum dynamic range.
• Includes user-adjustable current limiting via external resistor or digital control.
• Integrates thermal shutdown protection and an enable/status pin.

Instrumentation, Op Amps, Buffer Amps Applications

• Motor control systems
• Industrial process control loops
• High-power LED drivers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'G3' against the manufacturer's official documentation to confirm compliance with RoHS directives and material composition requirements. Ensure the procurement channel provides valid traceability for this component variant. Cross-reference the ordering information with the latest datasheet revision to avoid discrepancies in packaging or specifications.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when applications require significant output current combined with high voltage tolerance. Consider the TO-220-11 package for adequate thermal dissipation during high-load operations. Evaluate the need for adjustable current limiting and shutdown functionality before finalizing the design choice.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA549 family of high-voltage, high-current operational amplifiers. It is designed for robust performance in demanding environments where standard op-amps cannot handle the required load conditions. The series offers flexibility through adjustable current limits and comprehensive protection features.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult the manufacturer's substitution guide for verified alternatives. Direct replacements must match the 8A output current, 60V supply rating, and TO-220-11 footprint. Verify compatibility with existing thermal management solutions.