INA225AIDGK Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
INA225AIDGK is a voltage-feedback operational amplifier by Texas Instruments in an 8-pin MSOP package. Key specs: 95 dB minimum CMRR, 150 µV maximum input offset voltage, 85 µA bias current. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- INA225AIDGK Datasheet PDF
- Category
- Integrated Circuit
- 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 INA225AIDGK?
- 95 dB minimum common-mode rejection ratio for precise differential signal amplification
- 150 µV maximum input offset voltage enabling high-accuracy measurements
- Voltage-feedback architecture with frequency compensation for stable closed-loop designs
- Compact 8-pin MSOP package suitable for space-constrained PCB layouts
- Wide supply voltage compatibility for versatile analog front-end integration
What is INA225AIDGK used for?
The INA225AIDGK is suited for precision analog signal conditioning in instrumentation, medical equipment, and industrial measurement systems where high common-mode rejection and low offset are critical. Its voltage-feedback architecture with frequency compensation supports stable amplifier stages in data acquisition front ends and bridge sensor signal chains. Battery-powered test instruments and portable medical monitors benefit from its compact MSOP package and accurate differential amplification.
What are the specifications of INA225AIDGK?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 85 µA |
| Bias Current-Max (IIB) @25C | 85 µA |
| Common-mode Reject Ratio-Min | 95dB |
| Common-mode Reject Ratio-Nom | 105dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 150 µV |
| JESD-30 Code | S-PDSO-G8 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 0.4V/us |
| Supply Current-Max | 0.375mA |
| Supply Voltage Limit-Max | 40V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 70 |
| Voltage Gain-Min | 200 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the INA225AIDGK datasheet?
INA225AIDGK Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA225AIDGK?
Compatible alternatives and drop-in replacements for INA225AIDGK:
Frequently Asked Questions
How does the 95 dB CMRR of INA225AIDGK benefit industrial sensor signal chains?
A 95 dB minimum common-mode rejection ratio means the INA225AIDGK suppresses common-mode noise by a factor of over 56,000, ensuring that ground shifts or power-line interference up to several volts do not corrupt the differential sensor signal in industrial environments.
What input offset voltage performance does the INA225AIDGK guarantee, and why does it matter for bridge sensor applications?
The INA225AIDGK guarantees a maximum input offset voltage of 150 µV, which limits zero-scale error in bridge sensor circuits. For a bridge sensor with a 10 mV full-scale output, a 150 µV offset represents a 1.5% full-scale error before any calibration correction is applied.
Can the INA225AIDGK be used in an 8-channel multiplexed data acquisition system with one amplifier per channel?
Yes. Each INA225AIDGK handles one differential channel in an 8-pin MSOP footprint, so 8 devices fit on a compact PCB to support 8 independent input channels. The 95 dB CMRR and 150 µV offset ensure consistent accuracy across all 8 inputs simultaneously.
For a 5 V single-supply design, how does the voltage-feedback architecture of INA225AIDGK affect bandwidth and stability?
The voltage-feedback architecture includes internal frequency compensation, which maintains phase margin and stable gain-bandwidth product on a 5 V single supply. This simplifies closed-loop amplifier design since no external compensation capacitors are required for typical gain settings.
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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.
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