OPA2227UAIn StockTexas Instruments
OPA2227UA is a dual high-precision, low-noise operational amplifier with 120 dB min CMRR and 0.01 µA max bias current. Features voltage-feedback architecture and frequency compensation. From $2.39, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- OPA2227UA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3867(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
- Dual channel voltage-feedback op-amp with ultra-low noise for precision signal conditioning
- 120 dB minimum CMRR (138 dB typical) for superior common-mode noise rejection
- Ultra-low bias current of 0.01 µA max for high-impedance source compatibility
- Input offset current of 0.01 µA max ensuring minimal DC error in precision circuits
- Lead-free (Pb-free) compliant package in industry-standard Small Outline (SOIC) footprint
Applications
The OPA2227UA is well-suited for precision instrumentation amplifiers, medical measurement equipment, and sensor signal conditioning where low noise and high accuracy are critical. Its dual-channel architecture and high CMRR make it ideal for differential measurement systems, audio preamplifiers, and data acquisition front-ends. It is also commonly used in industrial process control and scientific test equipment requiring stable, low-drift amplification.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.01 µA |
| Bias Current-Max (IIB) @25C | 0.01 µA |
| Common-mode Reject Ratio-Min | 120dB |
| Common-mode Reject Ratio-Nom | 138dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.01 µA |
| Input Offset Voltage-Max | 75 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 2 |
| 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 | 2.3V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 8.4mA |
| 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 | 8000 |
| Voltage Gain-Min | 3980000 |
| Wideband | NO |
| ## OPA2227UA 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 OPA2227UA:
Frequently Asked Questions
What is the CMRR of the OPA2227UA?
The OPA2227UA provides a minimum common-mode rejection ratio (CMRR) of 120 dB and a typical value of 138 dB, making it an excellent choice for differential measurement applications that require high noise immunity and precision signal integrity.
What are the typical applications for the OPA2227UA?
The OPA2227UA is widely used in precision instrumentation, medical devices, sensor signal conditioning, data acquisition systems, and audio preamplifiers. Its dual-channel design, low bias current of 0.01 µA, and high CMRR suit it for any application demanding low noise and accurate amplification.
What package does the OPA2227UA come in?
The OPA2227UA is available in a Small Outline (SOIC) package, which is a standard surface-mount footprint widely supported by PCB design tools and assembly processes, simplifying integration into both prototype and production designs.
Is the OPA2227UA RoHS compliant?
Yes, the OPA2227UA is Pb-free and RoHS compliant, as indicated by its Pbfree Code: Yes specification. It meets international environmental regulations for lead-free electronic components, making it suitable for global distribution and use.
What is the difference between OPA2227UA and similar dual op-amps?
Compared to general-purpose dual op-amps, the OPA2227UA stands out with its 120 dB minimum CMRR, 0.01 µA max bias current, and precision voltage-feedback architecture with built-in frequency compensation, offering significantly better DC accuracy and noise performance for demanding precision applications.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3260 | $3.33 |
| 44+ | $2.7167 | $119.53 |
| 94+ | $2.5223 | $237.10 |
| 190+ | $2.3867 | $453.47 |
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