OPA4277UA Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA4277UA is a quad precision operational amplifier from Texas Instruments featuring ultra-low offset voltage, 140 dB CMRR, and 0.0028 µA bias current. Ideal for instrumentation, medical, and industrial applications. From $1.09, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- OPA4277UA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0918(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low input offset voltage with 140 dB common-mode rejection ratio for precision signal conditioning
- Quad op-amp architecture with voltage-feedback topology enabling high accuracy in differential and instrumentation designs
- Extremely low bias current of 0.0028 µA at 25°C, minimizing errors in high-impedance sensor interfaces
- Frequency compensation ensures stability across a wide range of closed-loop gain configurations
- Available in compact Small Outline Package (SOIC) for space-constrained PCB designs
Applications
The OPA4277UA is well-suited for precision instrumentation amplifiers, medical diagnostic equipment, and industrial process control systems requiring low offset and high CMRR. Its quad channel configuration makes it ideal for multi-channel data acquisition front-ends, strain gauge bridges, and thermocouple signal conditioning. The device also excels in audio processing and test equipment where minimal noise and high linearity are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.004 µA |
| Bias Current-Max (IIB) @25C | 0.0028 µA |
| Common-mode Reject Ratio-Min | 115dB |
| Common-mode Reject Ratio-Nom | 140dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0028 µA |
| Input Offset Voltage-Max | 50 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.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 | 0.8V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 3.6mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| 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 | 1000 |
| Voltage Gain-Min | 1995000 |
| Wideband | NO |
| ## OPA4277UA 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 OPA4277UA:
Frequently Asked Questions
What is the input offset voltage of the OPA4277UA?
The OPA4277UA features an ultra-low input offset voltage typical of precision op-amps in its class, with a common-mode rejection ratio of 140 dB (typical) and a minimum of 115 dB, ensuring highly accurate signal amplification in sensitive measurement applications.
What are the typical applications for the OPA4277UA?
The OPA4277UA is designed for precision measurement and instrumentation applications including medical diagnostic equipment, industrial process control, multi-channel data acquisition systems, strain gauge signal conditioning, thermocouple amplifiers, and high-accuracy differential signal processing where low noise and minimal offset are essential.
What is the bias current specification of the OPA4277UA?
The OPA4277UA has a maximum bias current (IIB) of 0.0028 µA at 25°C and a maximum of 0.004 µA, making it suitable for high-impedance sensor interfaces where leakage current must be minimized to avoid measurement errors.
What package options are available for the OPA4277UA?
The OPA4277UA is available in a Small Outline Integrated Circuit (SOIC) package, which is RoHS-compliant (Pb-free). This surface-mount package is widely used in professional electronics manufacturing and is compatible with standard PCB assembly processes.
Can the OPA4277UA be used as a drop-in replacement for other quad precision op-amps?
The OPA4277UA follows standard quad op-amp pinout conventions and may be compatible with other precision amplifiers sharing similar architecture and package type. Always verify supply voltage range, bandwidth, and offset specifications against your original component datasheet before substituting in a design.
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+ | $9.6900 | $9.69 |
| 2+ | $6.4600 | $12.92 |
| 5+ | $4.8450 | $24.22 |
| 41+ | $4.3875 | $179.89 |
| 100+ | $2.1572 | $215.72 |
| 185+ | $1.0918 | $201.98 |
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.”