What is a cross-reference page for INA2143UA?
This page groups mapped replacement options for INA2143UA so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
INA2143UA replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for INA2143UA, then verify package, specifications, and application fit before approval.
Compare INA2143UA against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
No mapped replacement parts yet
This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
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| Parameter Comparison Chart | Current part INA2143UA Texas Instruments |
|---|---|
| Part Number | INA2143UA |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Subcategory | Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers |
| Package | 14SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC OPAMP DIFF 150KHZ 14SOIC |
| Lifecycle | - |
| Stock | 30,799 |
| Available | 72,683 |
| Min Order | 1 |
| Datasheet | Request |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Packaging | Tube |
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) |
| Mounting Type | Surface Mount |
| Factory Lead Time | 6 Weeks |
| Operating Temperature | -40°C~85°C |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Supply Voltage | 5V |
| Manufacturer | Texas |
| Width | 3.91mm |
| Height | 1.75mm |
| Length | 8.65mm |
| Subcategory | Operational Amplifier |
| Sub-Categories | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Architecture | VOLTAGE-FEEDBACK |
| Package / Case | 14-SOIC (0.154, 3.90mm Width) |
| Weight | 129.387224mg |
| Neg Supply Voltage-Max (Vsup) | -18V |
| Slew Rate | 5V/μs |
| Surface Mount | YES |
| Radiation Hardening | No |
| Pin Count | 14 |
| Number of Pins | 14 |
| Number of Terminations | 14 |
| Pbfree Code | yes |
| Number of Functions | 2 |
| Technology | BIPOLAR |
| Thickness | 1.58mm |
| Input Offset Voltage (Vos) | 750μV |
| Common Mode Rejection Ratio | 80 dB |
| Nominal Supply Current | 2.4mA |
| Quiescent Current | 950μA |
| Output Current per Channel | 32mA |
| Operating Supply Current | 950μA |
| Min Input Voltage | 1.65V |
| -3db Bandwidth | 0.15MHz |
| Bandwidth | 150 kHz |
| Max Input Voltage | -1.65V |
| Resistance | 55kOhm |
| Manufacturer's Part No. | INA2143UA |
| Base Part Number | INA2143 |
| Neg Supply Voltage-Nom (Vsup) | -5V |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Voltage - Supply, Single/Dual (±) | 4.5V~36V ±2.25V~18V |
| Voltage - Input Offset | 100μV |
| Dual Supply Voltage | 15V |
| Number of Channels | 2 |
| Low-Offset | YES |
| Frequency Compensation | YES |
| Micropower | NO |
| Programmable Power | NO |
| Power | NO |
| Supply Voltage Limit-Max | 18V |
| Amplifier Type | Differential |
| Voltage Gain-Nom | 10 |
| Voltage Gain | 20dB |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| JESD-609 Code | e4 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| HTSUS | 8542.33.0001 |
| ECCN Code | EAR99 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing INA2143UA replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for INA2143UA?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for INA2143UA alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to INA2143UA?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is INA2143UA obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to INA2143UA from Texas Instruments is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.