OPA277UA/2K5 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA277UA/2K5 is a precision operational amplifier featuring 1MHz bandwidth, 0.8V/µs slew rate, 130dB CMRR, and ultra-low 1nA bias current in SOIC-8 package. From $0.58, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- OPA277UA/2K5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5789(MOQ 25)
- 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 bias current of 1nA (typ) at 25°C for high-impedance signal conditioning
- High common-mode rejection ratio of 140dB (typ) / 130dB (min) for exceptional noise immunity
- 1MHz gain-bandwidth product with 0.8V/µs slew rate for precision AC and DC applications
- Voltage-feedback architecture with frequency compensation for stable single-supply operation
Applications
The OPA277UA/2K5 is ideal for precision instrumentation amplifiers, medical sensor interfaces, and strain gauge signal conditioning where ultra-low bias current and high CMRR are critical. It excels in data acquisition front-ends, precision integrators, and thermocouple amplifiers requiring minimal offset drift. Its SOIC-8 package and tape-and-reel packaging (2500 units) make it well-suited for high-volume industrial and medical equipment manufacturing.
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 | 0.001 µA |
| Common-mode Reject Ratio-Min | 130dB |
| Common-mode Reject Ratio-Nom | 140dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0028 µA |
| Input Offset Voltage-Max | 20 µV |
| JESD-30 Code | R-PDSO-G8 |
| 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 | 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-Min | 0.8V/us |
| Slew Rate-Nom | 0.8V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 0.825mA |
| 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 |
| ## OPA277UA/2K5 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 OPA277UA/2K5:
Frequently Asked Questions
What is the input bias current of the OPA277UA/2K5?
The OPA277UA/2K5 has a typical input bias current (IIB) of 1nA at 25°C, with a maximum of 1nA at 25°C and 4nA over the full operating temperature range. This ultra-low bias current makes it ideal for high-impedance sensor interfaces and precision integrator circuits.
What applications is the OPA277UA/2K5 best suited for?
The OPA277UA/2K5 is best suited for precision instrumentation, medical equipment, thermocouple and strain gauge amplifiers, data acquisition front-ends, and precision integrators. Its 140dB typical CMRR and ultra-low 1nA bias current make it excellent for any application requiring high accuracy and noise rejection in industrial or medical environments.
What is the package type and reel quantity for OPA277UA/2K5?
The OPA277UA/2K5 comes in an SOIC-8 (Small Outline IC, 8-pin) package. The '2K5' suffix indicates tape-and-reel packaging with 2500 units per reel, making it ideal for automated PCB assembly in medium to high volume production. It is RoHS compliant (Pb-free).
What is the gain-bandwidth product and slew rate of the OPA277UA/2K5?
The OPA277UA/2K5 has a gain-bandwidth product (GBW) of 1MHz and a slew rate of 0.8V/µs. These specifications make it suitable for precision DC and low-frequency AC signal conditioning applications where accuracy is prioritized over high-speed performance.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $2.4500 | $61.25 |
| 100+ | $2.0700 | $207.00 |
| 250+ | $1.9700 | $492.50 |
| 320+ | $0.6259 | $200.29 |
| 420+ | $0.6024 | $253.01 |
| 520+ | $0.5789 | $301.03 |
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