OPA140AID Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA140AID is an 11MHz precision JFET input operational amplifier with rail-to-rail output, 126dB CMRR, and ultra-low 10pA bias current. Ideal for test equipment, medical instrumentation, and sensor signal conditioning. From $1.54, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- OPA140AID Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5375(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 11MHz gain bandwidth product with low noise for high-frequency precision signal processing
- Ultra-low input bias current of 10pA (typ) minimizes errors in high-impedance sensor circuits
- Rail-to-rail output swing maximizes dynamic range in single-supply 2.5V–18V applications
- 126dB minimum CMRR (140dB typ) ensures excellent common-mode noise rejection
- Single-supply operation down to 2.5V enables low-power portable and battery-powered designs
Applications
The OPA140AID excels in precision measurement and test equipment where low noise and accurate amplification are critical. Its ultra-low bias current and high CMRR make it well-suited for medical instrumentation, photodiode amplifiers, and pH/electrochemical sensors. It is also widely used in audio equipment, active filters, and industrial sensor signal conditioning applications requiring stable rail-to-rail output.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.003 µA |
| Bias Current-Max (IIB) @25C | 0.00001 µA |
| Common-mode Reject Ratio-Min | 126dB |
| Common-mode Reject Ratio-Nom | 140dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.001 µA |
| Input Offset Voltage-Max | 120 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | NO |
| 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 | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 20V/us |
| Supply Current-Max | 2.7mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 18V |
| Surface Mount | YES |
| Technology | JFET |
| 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 | 11000 |
| Voltage Gain-Min | 501187.2336 |
| Wideband | NO |
| ## OPA140AID 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for OPA140AID:
Frequently Asked Questions
What is the gain bandwidth product of the OPA140AID?
The OPA140AID has a gain bandwidth product of 11MHz, making it suitable for precision amplification tasks that require stable, accurate performance across a wide frequency range in measurement and instrumentation applications.
What is the input bias current of the OPA140AID?
The OPA140AID features an extremely low input bias current of 10pA typical (0.01nA) at 25°C, with a maximum of 0.003µA. This ultra-low bias current is critical for high-impedance source applications such as photodiode amplifiers, pH sensors, and electrochemical cells.
What supply voltage range does the OPA140AID support?
The OPA140AID operates from a single supply of 2.5V to 18V or dual supplies of ±1.25V to ±9V, providing flexibility for both battery-powered portable devices and industrial equipment requiring higher voltage rails.
What package is the OPA140AID available in?
The OPA140AID is packaged in an 8-pin SOIC (Small Outline IC) package, which is a standard surface-mount package offering a good balance between compact PCB footprint and ease of soldering in production environments.
What are typical applications for the OPA140AID?
Typical applications include precision test and measurement instruments, medical diagnostic equipment, photodiode transimpedance amplifiers, active filters, pH meters, electrochemical sensor interfaces, and high-fidelity audio signal processing where low noise and high accuracy are essential.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.6500 | $3.65 |
| 10+ | $3.5100 | $35.10 |
| 25+ | $3.5000 | $87.50 |
| 121+ | $1.6625 | $201.16 |
| 157+ | $1.6000 | $251.20 |
| 196+ | $1.5375 | $301.35 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”