What is a cross-reference page for INA149AID?
This page groups mapped replacement options for INA149AID so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
INA149AID replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for INA149AID, then verify package, specifications, and application fit before approval.
Compare INA149AID 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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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part INA149AID Texas Instruments |
|---|---|
| Part Number | INA149AID |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Subcategory | Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers |
| Package | 8SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC OPAMP DIFF 500KHZ 8SOIC |
| Lifecycle | - |
| Stock | 167,220 |
| Available | 60,741 |
| Min Order | 1 |
| Datasheet | Request |
| Voltage - Supply, Single/Dual (±) | 4V~36V ±2V~18V |
| Voltage Gain | 0dB |
| Number of Channels | 1 |
| Neg Supply Voltage-Nom (Vsup) | -15V |
| Micropower | YES |
| Low-Offset | YES |
| Frequency Compensation | YES |
| Unity Gain BW-Nom | 500 kHz |
| Supply Voltage Limit-Max | 20V |
| Programmable Power | NO |
| Power | NO |
| Voltage - Input Offset | 350μV |
| Amplifier Type | Differential |
| Voltage Gain-Nom | 1 |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| JESD-609 Code | e4 |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| HTSUS | 8542.33.0001 |
| ECCN Code | EAR99 |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Packaging | Tube |
| Mounting Type | Surface Mount |
| Lifecycle Status | ACTIVE (Last Updated: 5 days ago) |
| Factory Lead Time | 6 Weeks |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Operating Temperature | -40°C~125°C |
| Input Offset Voltage (Vos) | 1mV |
| Manufacturer | Texas |
| Width | 3.91mm |
| Height | 1.75mm |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Subcategory | Operational Amplifier |
| Sub-Categories | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Neg Supply Voltage-Max (Vsup) | -20V |
| Architecture | VOLTAGE-FEEDBACK |
| Weight | 540.001716mg |
| Slew Rate | 5V/μs |
| Contact Plating | Gold |
| Number of Functions | 1 |
| Surface Mount | YES |
| Radiation Hardening | No |
| Pbfree Code | yes |
| Supply Voltage | 15V |
| Technology | BIPOLAR |
| Output Current per Channel | 25mA |
| Bandwidth | 500 kHz |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Thickness | 1.58mm |
| Length | 4.9mm |
| Common Mode Rejection Ratio | 90 dB |
| Manufacturer's Part No. | INA149AID |
| Base Part Number | INA149 |
| Gain Bandwidth Product | 500 kHz |
| Resistance | 800kOhm |
| Quiescent Current | 810μA |
| Operating Supply Current | 810μA |
| Max Input Voltage | 300V |
| Nominal Supply Current | 810μA |
| Max Supply Current | 1.1mA |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing INA149AID replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for INA149AID?
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 INA149AID 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 INA149AID?
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 INA149AID 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 INA149AID 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.