OPA2994IDGKR

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2994IDGKR is a dual-channel, high-voltage operational amplifier from Texas Instruments. It operates within a supply voltage range of 2.7V to 32V and features rail-to-rail input and output capabilities. Key electrical specifications include a gain-bandwidth product of 24MHz, a slew rate of 35V/µs, and an unlimited capacitive load drive capability. The device provides a typical offset voltage of ±350µV with low drift, ensuring high DC precision. It delivers a high output current of ±125mA per channel and maintains stability across varying loads.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Unlimited capacitive load drive capability prevents sustained oscillations when driving large capacitive loads without requiring external compensation components.
• High short-circuit output current of ±125mA per channel ensures robust performance and protection against output faults in demanding industrial environments.
• Rail-to-rail input and output stages maximize dynamic range by allowing signal swings to extend nearly to the positive and negative supply rails.

Instrumentation, Op Amps, Buffer Amps Applications

• AC charging station infrastructure for electric vehicles
• Ground-fault circuit interrupter (GFCI) fault detection and testing circuits
• Motor drive power stages and control modules
• Power delivery systems including UPS and server network power supplies
• High-side and low-side current sensing applications

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package marking and date code upon receipt to ensure authenticity. Confirm that the ordering suffix matches the required thermal and mechanical specifications for your PCB layout. Review the manufacturer's latest documentation for any updates regarding pin compatibility or recommended operating conditions before finalizing production integration.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high-voltage operation up to 32V is required alongside significant output current drive. It is suitable for designs involving large or unknown capacitive loads where stability is critical. Consider its low noise and high CMRR for precision analog signal conditioning tasks in noisy industrial environments.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the OPAx994 family, which includes single-channel and dual-channel variants. The family is engineered for high-voltage industrial applications requiring both AC speed and DC accuracy. The dual-channel configuration allows for cost-effective implementation of differential amplifiers or dual-sensor interfaces within compact space-constrained designs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official manufacturer substitution guides for verified alternatives. Ensure any replacement part maintains compatible pinout, supply voltage limits, and capacitive load stability characteristics to avoid redesigning the application circuit.

Instrumentation, Op Amps, Buffer Amps FAQ

How does the OPA2994 handle stability with large capacitive loads?

The device features Unlimited Capacitive Load Drive (UCLD) architecture, which mitigates sustained ringing and maintains stability even when driving large capacitive loads without external compensation.

What is the maximum supply voltage for the OPA2994IDGKR?

The absolute maximum supply voltage is 33V, but the recommended operating range extends up to 32V for optimal performance and reliability.