Part Details for OPA2131UJ by Texas Instruments
Results Overview of OPA2131UJ by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
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OPA2131UJ Information
OPA2131UJ by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Price & Stock for OPA2131UJ
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
OPA2131UJ
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TME | IC: operational amplifier, 4MHz, Ch: 2, SO8, ±4.5÷18VDC,9÷36VDC Min Qty: 1 | 0 |
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$3.5700 / $5.0000 | RFQ |
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DISTI #
OPA2131UJ
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Chip One Stop | OP Amp Dual GP +/-18V 8-Pin SOIC Tube RoHS: Compliant pbFree: No Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Tube | 72 |
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$2.9600 | Buy Now |
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Win Source Electronics | IC OPAMP GP 4MHZ 8SOIC | 5000 |
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$4.6336 / $6.9504 | Buy Now |
US Tariff Estimator: OPA2131UJ by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for OPA2131UJ
OPA2131UJ CAD Models
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OPA2131UJ Part Data Attributes
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OPA2131UJ
Texas Instruments
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Datasheet
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OPA2131UJ
Texas Instruments
Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Pin Count | 8 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Amplifier Type | OPERATIONAL AMPLIFIER | |
| Architecture | VOLTAGE-FEEDBACK | |
| Average Bias Current-Max (IIB) | 0.00005 µA | |
| Bias Current-Max (IIB) @25C | 0.00005 µA | |
| Common-mode Reject Ratio-Min | 70 dB | |
| Common-mode Reject Ratio-Nom | 80 dB | |
| Frequency Compensation | YES | |
| Input Offset Current-Max (IIO) | 0.00005 µA | |
| Input Offset Voltage-Max | 1000 µV | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 mm | |
| Low-Bias | YES | |
| Low-Offset | NO | |
| Micropower | NO | |
| Moisture Sensitivity Level | 3 | |
| Neg Supply Voltage Limit-Max | -18 V | |
| Neg Supply Voltage-Nom (Vsup) | -15 V | |
| Number of Functions | 2 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| 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 | |
| Seated Height-Max | 1.75 mm | |
| Slew Rate-Nom | 10 V/us | |
| Supply Current-Max | 3.5 mA | |
| Supply Voltage Limit-Max | 18 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Unity Gain BW-Nom | 4000 | |
| Voltage Gain-Min | 50100 | |
| Wideband | NO | |
| Width | 3.9 mm |
Alternate Parts for OPA2131UJ
This table gives cross-reference parts and alternative options found for OPA2131UJ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of OPA2131UJ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| OPA2131UJ/2K5 | Texas Instruments | $1.8234 | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC | OPA2131UJ vs OPA2131UJ/2K5 |
| OPA2131UA/2K5 | Texas Instruments | $2.4622 | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UA/2K5 |
| OPA2131UA | Texas Instruments | $3.1090 | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UA |
| OPA2131UAG4 | Texas Instruments | $3.3192 | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UAG4 |
| OPA2131UA/2K5G4 | Texas Instruments | Check for Price | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UA/2K5G4 |
| OPA2131UA/2K5E4 | Texas Instruments | Check for Price | General Purpose FET-Input Operational Amplifiers 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UA/2K5E4 |
| OPA2131UAE4 | Texas Instruments | Check for Price | Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier 8-SOIC -55 to 125 | OPA2131UJ vs OPA2131UAE4 |
| OPA2131UJ/2K5G4 | Texas Instruments | Check for Price | General Purpose FET-Input Operational Amplifiers 8-SOIC | OPA2131UJ vs OPA2131UJ/2K5G4 |
OPA2131UJ Frequently Asked Questions (FAQ)
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The maximum power dissipation of the OPA2131UJ is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
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To ensure stability in a unity-gain configuration, add a 10nF to 22nF capacitor in parallel with a 1kΩ to 2kΩ resistor between the output and the inverting input. This helps to compensate for the op-amp's phase shift and prevent oscillations.
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Use a star-grounding technique, where the analog and digital grounds are separated and connected at a single point. Keep the input and output traces short and away from noise sources. Use a ground plane to reduce electromagnetic interference (EMI).
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While the OPA2131UJ can be used as a comparator, it's not the best choice due to its relatively slow slew rate (2.5V/μs) and limited output current (±30mA). A dedicated comparator like the LM339 or TLC393 would be a better option.
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Use input voltage limiting resistors (e.g., 1kΩ to 10kΩ) in series with the input signal to limit the voltage to the op-amp's maximum rating (±15V). You can also add input clamping diodes (e.g., 1N4148) to protect against overvoltage conditions.