INA597IDR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
INA597IDR is a precision e-trim difference amplifier with 200 µV maximum input offset voltage, 2 MHz bandwidth, and 88 dB minimum common-mode rejection ratio in an 8-pin SOIC package. It provides low-power, high-accuracy differential signal amplification for bridge sensor and current shunt measurement applications. Ideal for industrial process control, medical instrumentation, and battery management systems requiring precise differential voltage sensing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- INA597IDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6200(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of INA597IDR?
- Precision e-trim difference amplifier with 200 µV maximum input offset voltage
- 88 dB minimum CMRR (90 dB typical) for superior noise rejection
- 2 MHz bandwidth for moderate-speed differential signal acquisition
- Low quiescent power consumption for always-on sensing nodes
- 8-pin SOIC package for straightforward PCB integration
- Factory laser-trimmed for tight gain accuracy without external calibration
- Suitable for bridge sensor, current shunt, and instrumentation applications
What is INA597IDR used for?
The INA597IDR is used in precision industrial measurement systems such as Wheatstone bridge amplifiers, strain gauge interfaces, and current shunt monitors where the 200 µV offset and 88 dB CMRR ensure accurate differential readings in electrically noisy environments. Its low power consumption makes it suitable for battery-powered field instruments and remote sensor nodes. Medical diagnostic equipment and battery management systems also benefit from its high precision differential amplification at 2 MHz bandwidth.
What are the specifications of INA597IDR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Common-mode Reject Ratio-Min | 88dB |
| Common-mode Reject Ratio-Nom | 90dB |
| Frequency Compensation | NO |
| Input Offset Voltage-Max | 200 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUT LINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 18V/us |
| Supply Current-Max | 1.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 2000 |
| Voltage Gain-Max | 2 |
| Voltage Gain-Min | 0.5 |
| Wideband | NO |
| ## INA597IDR Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Where can I find the INA597IDR datasheet?
INA597IDR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA597IDR?
Compatible alternatives and drop-in replacements for INA597IDR:
suggested
suggested
suggested
suggested
Frequently Asked Questions
How does the 88 dB CMRR of INA597IDR improve measurement accuracy in industrial environments?
An 88 dB CMRR attenuates common-mode noise by about 79,000 times relative to the differential signal, allowing the INA597IDR to extract millivolt-level bridge or shunt signals accurately even when operating near 50 Hz or 60 Hz power line interference in industrial settings.
With a 200 µV maximum offset voltage, how precise is the INA597IDR for bridge sensor applications?
At 200 µV maximum input offset, the referred error on a 10 mV full-scale bridge output is only 2%, and with the e-trim laser calibration the typical offset is significantly lower, enabling sub-percent accuracy in load cell and pressure sensor signal chains.
Is the 2 MHz bandwidth of INA597IDR sufficient for current shunt monitoring in switching power supplies?
At 2 MHz bandwidth, the INA597IDR can follow current waveforms with rise times down to approximately 160 ns, covering switching frequencies up to several hundred kilohertz, making it adequate for average and RMS current monitoring but not for cycle-by-cycle peak detection at megahertz switching rates.
Can INA597IDR replace a discrete instrumentation amplifier in a compact 8-pin SOIC footprint?
Yes. By integrating precision-trimmed resistors and a difference amplifier in a single 8-pin SOIC, INA597IDR eliminates the 3-op-amp discrete approach, saving board area, reducing component count, and delivering 88 dB CMRR with 200 µV offset in a smaller, more reliable package.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $2.0387 | $203.87 |
| 250+ | $1.9307 | $482.68 |
| 500+ | $1.7600 | $880.00 |
| 1000+ | $1.6900 | $1690.00 |
| 3000+ | $1.6200 | $4860.00 |
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