OPA4234U/2K5 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The OPA4234U/2K5 is a low-power, precision single-supply operational amplifier from Texas Instruments with rail-to-rail output. Featuring 0.03 µA bias current, 86 dB CMRR, and voltage-feedback architecture, it delivers high accuracy in power-sensitive designs. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- OPA4234U/2K5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.8200(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 bias current of 0.03 µA at 25°C enables accurate signal conditioning in high-impedance sensor interfaces
- High common-mode rejection ratio of 106 dB typical (86 dB min) ensures precise differential measurements in noisy environments
- Single-supply voltage-feedback architecture with rail-to-rail output maximizes dynamic range in low-voltage portable applications
- Precision offset performance with 0.005 µA input offset current supports demanding instrumentation and medical measurement circuits
Applications
The OPA4234U/2K5 is well suited for precision instrumentation and sensor signal conditioning where low power consumption and high accuracy are critical. Its rail-to-rail output and high CMRR make it ideal for battery-powered medical devices, portable data acquisition systems, and industrial measurement equipment. The quad op-amp configuration in an SOIC package also enables compact multi-channel filter and amplifier designs in space-constrained applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.05 µA |
| Bias Current-Max (IIB) @25C | 0.03 µA |
| Common-mode Reject Ratio-Min | 86dB |
| Common-mode Reject Ratio-Nom | 106dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.005 µA |
| Input Offset Voltage-Max | 250 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 | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.2V/us |
| Supply Current-Max | 1.4mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 350 |
| Voltage Gain-Min | 19950 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for OPA4234U/2K5:
Rochester Electronics LLC QUAD OP-AMP, 250uV OFFSET-MAX, 0.35MHz BAND WIDTH, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14
Frequently Asked Questions
What is the input bias current of the OPA4234U/2K5?
The OPA4234U/2K5 has a maximum input bias current (IIB) of 0.03 µA at 25°C and 0.05 µA over the full temperature range, making it suitable for high-impedance source applications where minimizing loading error is critical.
What package and configuration does the OPA4234U/2K5 come in?
The OPA4234U/2K5 is a quad operational amplifier (four op-amps in one package) housed in a Small Outline (SOIC) surface-mount package, supplied in tape-and-reel format with 2500 units per reel for automated production assembly.
What is the common-mode rejection ratio (CMRR) of the OPA4234U/2K5?
The OPA4234U/2K5 delivers a minimum CMRR of 86 dB and a typical CMRR of 106 dB, ensuring excellent rejection of common-mode noise signals, which is essential for accurate differential measurements in precision instrumentation applications.
Is the OPA4234U/2K5 RoHS compliant and lead-free?
Yes, the OPA4234U/2K5 is fully RoHS compliant and lead-free (Pb-free code: Yes), meeting environmental regulations for use in consumer, industrial, and medical electronics manufactured for global markets.
What are typical applications for the OPA4234U/2K5?
Typical applications include precision sensor signal conditioning, battery-powered portable instrumentation, medical measurement equipment, active filter designs, and data acquisition front-ends where low bias current, high CMRR, and single-supply operation are required.
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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 |
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| 1+ | $42.6000 | $42.60 |
| 3+ | $18.1000 | $54.30 |
| 10+ | $16.7000 | $167.00 |
| 50+ | $15.0000 | $750.00 |
| 500+ | $9.3400 | $4670.00 |
| 1000+ | $8.8200 | $8820.00 |
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