OPA4251UAAlternatives & Equivalent Parts
About OPA4251UA
OPA4251UA is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | OPA4251UASource | OPA4251UA/2K5 | OPA4251UA/2K5G4 | OPA4251UAG4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 14 | 14 | 14 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $6.0450 | $6.0450 | $9.6400 | $10.6640 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | Yes |
| YTEOL | 15 | 15 | 0 | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.025 µA | 0.025 µA | 0.025 µA | 0.025 µA |
| Bias Current-Max (IIB) @25C | 0.02 µA | 0.02 µA | 0.02 µA | 0.02 µA |
| Common-mode Reject Ratio-Min | 100 dB | 100 dB | 100 dB | 100 dB |
| Common-mode Reject Ratio-Nom | 124 dB | 124 dB | 124 dB | 124 dB |
| Frequency Compensation | YES | YES | YES | YES |
| Input Offset Current-Max (IIO) | 0.02 µA | 0.02 µA | 0.02 µA | 0.02 µA |
| Input Offset Voltage-Max | 250 µV | 250 µV | 300 µV | 250 µV |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e4 | e4 | e4 | e4 |
| Low-Bias | NO | NO | NO | NO |
| Low-Offset | YES | YES | YES | YES |
| Micropower | YES | YES | YES | YES |
| Neg Supply Voltage Limit-Max | -18 V | -18 V | -18 V | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V | -15 V | -15 V | -15 V |
| Number of Functions | 4 | 4 | 4 | 4 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 | SOP14,.25 | SOP14,.25 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TR | TR | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Power | NO | NO | NO | NO |
| Programmable Power | NO | NO | NO | NO |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Slew Rate-Nom | 0.01 V/us | 0.01 V/us | 0.01 V/us | 0.01 V/us |
| Supply Current-Max | 0.152 mA | 0.152 mA | 0.152 mA | 0.152 mA |
| Supply Voltage Limit-Max | 18 V | 18 V | 18 V | 18 V |
| Supply Voltage-Nom (Vsup) | 15 V | 15 V | 15 V | 15 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 |
| Unity Gain BW-Nom | 35 | 35 | 35 | 35 |
| Voltage Gain-Min | 100000 | 100000 | 100000 | 100000 |
| Wideband | NO | NO | NO | NO |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for OPA4251UA is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating OPA4251UA replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to OPA4251UA?
Known equivalents for OPA4251UA include OPA4251UA/2K5, OPA4251UA/2K5G4, OPA4251UAG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of OPA4251UA?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify OPA4251UA alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.