What is a cross-reference page for LF347DT?
This page groups mapped replacement options for LF347DT so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
LF347DT replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for LF347DT, then verify package, specifications, and application fit before approval.
Compare LF347DT 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 LF347DT STMicroelectronics |
|---|---|
| Part Number | LF347DT |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Subcategory | Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers |
| Package | SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC OPAMP JFET 4MHZ 14SO |
| Lifecycle | - |
| Stock | 50,873 |
| Available | 91,695 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Factory Lead Time | 10 Weeks |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Output Current per Channel | 40mA |
| Lifecycle Status | ACTIVE (Last Updated: 7 months ago) |
| Packing Method | TAPE AND REEL |
| Subcategory | Operational Amplifier |
| Sub-Categories | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Architecture | VOLTAGE-FEEDBACK |
| Package / Case | 14-SOIC (0.154, 3.90mm Width) |
| Operating Temperature | 0°C~70°C |
| Nominal Supply Current | 10.8mA |
| Input Offset Voltage (Vos) | 10mV |
| Manufacturer | STMicroelectronics |
| Base Part Number | LF347 |
| Slew Rate | 16V/μs |
| Radiation Hardening | No |
| Reflow Temperature-Max (s) | 40 |
| Width | 4mm |
| Pin Count | 14 |
| Number of Pins | 14 |
| Number of Terminations | 14 |
| Mount | Surface Mount |
| Supply Voltage | 15V |
| Technology | BIPOLAR |
| Terminal Pitch | 1.27mm |
| Number of Functions | 4 |
| Length | 8.75mm |
| Common Mode Rejection Ratio | 70 dB |
| Output Current | 60mA |
| Height | 1.6mm |
| Max Input Voltage | 18V |
| Min Input Voltage | -18V |
| Bandwidth | 4MHz |
| Power Dissipation | 680mW |
| Operating Supply Current | 1.4mA |
| Manufacturer's Part No. | LF347DT |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| JESD-609 Code | e4 |
| HTSUS | 8542.33.0001 |
| ECCN Code | EAR99 |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Unity Gain BW-Nom | 4000 kHz |
| Amplifier Type | J-FET |
| Voltage - Input Offset | 3mV |
| Bias Current-Max (IIB) @25C | 0.0002μA |
| Average Bias Current-Max (IIB) | 0.02μA |
| Voltage - Supply, Single/Dual (±) | 8V~36V ±4V~18V |
| Voltage Gain | 106.02dB |
| Current - Input Bias | 20pA |
| Dual Supply Voltage | 15V |
| Neg Supply Voltage-Nom (Vsup) | -15V |
| Number of Channels | 4 |
| Frequency Compensation | YES |
| Low-Bias | YES |
| Low-Offset | NO |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing LF347DT replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for LF347DT?
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 LF347DT 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 LF347DT?
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 LF347DT 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 LF347DT from STMicroelectronics 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.