INA597IDRCT

Instrumentation, Op Amps, Buffer Amps Overview

The INA597IDRCT is a high-precision, wide-bandwidth e-trim difference amplifier manufactured by Texas Instruments. It features a maximum offset voltage of 200 µV and a drift of ±5 µV/°C. The device offers a gain bandwidth product of 2 MHz and a slew rate of 18 V/µs. It operates on single supplies from 4.5 V to 36 V or dual supplies from ±2.25 V to ±18 V. Key electrical characteristics include a minimum common-mode rejection ratio of 88 dB, a quiescent current of 1.1 mA per amplifier, and a short-circuit current of ±65 mA. It supports gains of 0.5 V/V or 2 V/V.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates a precision operational amplifier with a matched resistor network for stable gain accuracy and common-mode rejection across temperature ranges.
• Features e-trim technology to achieve low offset voltage and minimal drift for high DC precision in industrial applications.
• Provides high capacitive load drive capability up to 500 pF and a high slew rate for robust performance in demanding environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Data acquisition systems
• Sensor modules and tags for asset tracking
• Flow transmitters
• AC and servo drive position feedback

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package type (DRC) against the datasheet pinout diagram to ensure compatibility with the target PCB footprint. Confirm that the ordering suffix matches the required reel quantity and tape-and-reel specifications. Check the latest revision history for any changes in absolute maximum ratings or thermal metrics before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when cost-sensitive applications require wide bandwidth combined with high DC precision. Ensure the supply voltage range aligns with the system's single or dual power rails. Consider the thermal resistance values if operating near the maximum junction temperature limit. Verify that the required gain configuration (0.5 V/V or 2 V/V) matches the external pin connections defined in the functional block diagram.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the INA597 family of difference amplifiers, designed as a cost-effective alternative to discrete precision resistor networks. It replaces complex external configurations while maintaining high performance. The family includes variants like the INA592 and INA159, but the INA597 specifically targets wide-bandwidth applications requiring e-trim precision without the higher cost of instrumentation amplifiers.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes within the same family include the INA592, which shares similar e-trim precision and bandwidth characteristics. When replacing, verify that the pinout and package dimensions are identical to avoid PCB redesign. Ensure the replacement part meets the same gain error and CMRR requirements for the specific application circuit.