OPA2674IDG4

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2674IDG4 is a dual wideband high output current operational amplifier manufactured by Texas Instruments. It features a unity-gain stable bandwidth of 730 MHz and a gain-bandwidth product of 250 MHz. The device delivers a high slew rate of 3500 V/µs and provides an output current capability of ±1000 mA. It operates within a bipolar supply range of ±2.5 V to ±6.5 V or a single-supply range of 4.5 V to 13 V. The component includes adjustable power modes, overtemperature protection, and output current limiting.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Wideband operation with unity-gain stability for high-frequency signal processing
• High output current drive capability supporting demanding load requirements
• Adjustable power modes allowing optimization between performance and quiescent current consumption
• Integrated overtemperature protection and output current limit circuits

Instrumentation, Op Amps, Buffer Amps Applications

• Power-line modem drivers
• Broadband video line drivers
• Arbitrary waveform generator (ARB) line drivers
• Matched I/Q channel amplifiers
• Ultrasonic-Piezo drivers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'DG4' indicates the lead-free RoHS-compliant variant of the standard OPA2674ID package. Confirm the SOIC-8 physical footprint matches the design constraints. Ensure the operating temperature range aligns with system thermal requirements. Cross-reference the datasheet revision to confirm pinout compatibility with existing layouts.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high-speed voltage feedback is required alongside significant current drive capabilities. The adjustable bias modes offer flexibility for battery-powered or thermally constrained systems. Compare against standard op-amps if lower bandwidth suffices, or against dedicated buffer ICs if higher current density is needed without the wideband characteristics.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPA2674 family of wideband operational amplifiers designed for high-performance analog signal chains. The series emphasizes speed and drive strength, distinguishing it from general-purpose amplifiers. The 'G4' suffix typically denotes environmental compliance and packaging specifics within the manufacturer's portfolio.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes include the OPA2674ID and OPA2674IDR. Verify that alternative packages maintain identical pin configurations and thermal dissipation characteristics.