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
What are the key features of OPA4234U/2K5?
- 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
What is OPA4234U/2K5 used for?
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.
What are the specifications of OPA4234U/2K5?
| 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 |
Where can I find the OPA4234U/2K5 datasheet?
OPA4234U/2K5 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA4234U/2K5?
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.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 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 |
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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit