OPA171AIDR Texas Instruments Integrated Circuit (SOT23 (8-Pin)) In Stock
OPA171AIDR is a precision rail-to-rail output operational amplifier from Texas Instruments. It features 120 dB CMRR, 0.015 nA bias current, and voltage-feedback architecture in SOT23-8 package. Ideal for sensor signal conditioning, data acquisition, and low-power portable instrumentation. From $0.787, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- OPA171AIDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7870(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 120 dB typical CMRR with rail-to-rail output for maximum dynamic range
- Ultra-low bias current of 0.015 nA at 25°C, minimizing loading on high-impedance sources
- Voltage-feedback architecture with internal frequency compensation for stable single-supply operation
- Compact SOT23-8 package enabling space-efficient PCB designs
- Wide supply range supporting portable and battery-powered applications
Applications
The OPA171AIDR is well-suited for precision sensor signal conditioning in industrial and medical instrumentation, where its ultra-low bias current and high CMRR ensure accurate amplification of small differential signals. It is widely used in data acquisition front-ends, bridge amplifier circuits, and portable medical devices requiring low-power single-supply operation. Its rail-to-rail output capability also makes it an excellent choice for driving ADC inputs and active filter stages in battery-operated systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0035 µA |
| Bias Current-Max (IIB) @25C | 0.000015 µA |
| Common-mode Reject Ratio-Min | 104dB |
| Common-mode Reject Ratio-Nom | 120dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0035 µA |
| Input Offset Voltage-Max | 1800 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -20 V |
| Neg Supply Voltage-Nom (Vsup) | -18 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 1.5V/us |
| Supply Current-Max | 0.595mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 18V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| 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 | 3000 |
| Voltage Gain-Min | 316000 |
| Wideband | NO |
| ## OPA171AIDR Alternates Showing results | Image |
| Package | SOT23 (8-Pin) |
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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for OPA171AIDR:
Frequently Asked Questions
What is the typical input bias current of the OPA171AIDR?
The OPA171AIDR has an extremely low typical input bias current of 0.015 nA (15 pA) at 25°C, with a maximum of 3.5 nA. This makes it ideal for high-impedance sensor interfaces such as pH electrodes, photodiodes, and precision bridge circuits where source loading must be minimized.
What are the key applications for the OPA171AIDR?
The OPA171AIDR is commonly used in precision sensor signal conditioning, data acquisition systems, medical instrumentation, active filters, and battery-powered portable devices. Its 120 dB CMRR and rail-to-rail output make it especially effective in bridge amplifier and ADC driver configurations operating from single or dual supplies.
What package does the OPA171AIDR come in and what are its supply voltage requirements?
The OPA171AIDR is available in an 8-pin SOT23 (SOT23-8) surface-mount package, which is compact and suitable for space-constrained designs. It operates over a wide supply voltage range, supporting both single and dual supply configurations, making it versatile for industrial and portable applications.
Is the OPA171AIDR RoHS compliant?
Yes, the OPA171AIDR is RoHS compliant and lead-free (Pbfree Code: Yes). It meets modern environmental regulations for electronic components, making it suitable for use in consumer, industrial, and medical products that require compliance with international standards.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $1.0500 | $26.25 |
| 100+ | $0.9500 | $95.00 |
| 250+ | $0.9042 | $226.05 |
| 500+ | $0.8696 | $434.80 |
| 1000+ | $0.8170 | $817.00 |
| 2500+ | $0.7870 | $1967.50 |
In Stock · 24h Response · Worldwide Shipping
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