INA597IDR

Instrumentation, Op Amps, Buffer Amps Overview

The INA597IDR is a high-precision, wide-bandwidth difference amplifier from Texas Instruments. It features e-trim technology for low offset voltage (200 µV max) and drift (±5 µV/°C max). The device offers a gain bandwidth product of 2 MHz, a slew rate of 18 V/µs, and a common-mode rejection ratio of 88 dB min. It operates on single supplies from 4.5 V to 36 V or dual supplies from ±2.25 V to ±18 V. Quiescent current is 1.1 mA per amplifier. It supports gains of 0.5 V/V or 2 V/V and drives capacitive loads up to 500 pF.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Integrates precision operational amplifier and resistor network with excellent tracking for stable gain accuracy and common-mode rejection over temperature.
• Features high slew rate and high capacitive load drive capability for robust performance in industrial environments.
• Internal op amp common-mode range extends to the negative supply, enabling operation in single-supply applications.

Instrumentation, Op Amps, Buffer Amps Applications

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

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package variant against the datasheet option addendum, as the INA597 family includes SOIC, VSSOP, and VSON packages. Confirm that the ordering suffix matches the required thermal and mechanical specifications. Ensure compatibility with the intended supply voltage range and gain configuration before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when cost-sensitive applications require high precision and wide bandwidth. It is suitable for replacing discrete resistor networks while maintaining gain accuracy. Consider the 500 pF capacitive load drive capability if driving long cables or complex filters without external isolation components.

Instrumentation, Op Amps, Buffer Amps Part Context

The INA597 is part of Texas Instruments' portfolio of cost-effective, wide-bandwidth difference amplifiers utilizing e-trim technology. It provides a complete differential amplifier solution without requiring external precision resistors, simplifying design and improving reliability in industrial and sensor applications.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The INA592 is a high-precision alternative within the same family offering similar functionality. Designers should verify pinout compatibility and electrical parameter differences, particularly regarding offset voltage and noise specifications, when substituting between these models.