OPA547T-1

Instrumentation, Op Amps, Buffer Amps Overview

The OPA547T-1 is a high-voltage, high-current operational amplifier manufactured by Texas Instruments. It supports single-supply operation from +8V to +60V or dual supplies of ±4V to ±30V. The device delivers a continuous output current of 500mA with a peak capability of 750mA. Key electrical parameters include a gain-bandwidth product of 1MHz, a slew rate of 6V/μs, and an input offset voltage maximum of 5mV. Input bias current is specified at a maximum of 500nA. The unit operates within a temperature range of -40°C to +85°C and features rail-to-rail input capabilities.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrated user-adjustable current limiting function allowing precise control over output protection thresholds
• Dedicated enable/status pin for disabling the output to disconnect loads and reduce static power consumption
• Internal thermal shutdown mechanism provides automatic protection against overheating conditions

Instrumentation, Op Amps, Buffer Amps Applications

• Valve and actuator driving systems
• Servo drive circuits
• Power supply implementations
• Test equipment signal generation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation when ordering, as it indicates package type and tape/reel configuration. Confirm that the selected variant matches the required thermal management strategy for the intended application environment. Ensure compatibility with existing board layouts regarding the TO-220 or DDPAK footprint dimensions. Cross-reference the datasheet revision date to confirm parameter consistency with previous design iterations.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring significant output current drive capabilities alongside high voltage tolerance. The adjustable current limit feature offers flexibility for protecting various load types without external sensing components. Consider the thermal resistance of the chosen package when designing heat dissipation solutions for continuous high-current operations.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPA547 family of high-performance power operational amplifiers. It shares core architectural similarities with variants like the OPA547FKTWT but differs in packaging and terminal configuration. The family is designed for robust industrial applications where reliability under high stress conditions is critical.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The OPA547T-1.A is documented as a similar part number within the same manufacturer series. Verify pinout compatibility and exact electrical tolerances before substituting.