What is a cross-reference page for LPC661IM?
This page groups mapped replacement options for LPC661IM so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
LPC661IM replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for LPC661IM, then verify package, specifications, and application fit before approval.
Compare LPC661IM 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 LPC661IM Texas Instruments |
|---|---|
| Part Number | LPC661IM |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Subcategory | Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers |
| Package | 8SOIC |
| Series | - |
| Key Attributes | - |
| Description | IC OPAMP GP 350KHZ RRO 8SOIC |
| Lifecycle | - |
| Stock | 83,770 |
| Available | 81,397 |
| Min Order | 1 |
| Datasheet | Request |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | RoHS non-compliant |
| REACH SVHC | No SVHC |
| JESD-609 Code | e0 |
| HTSUS | 8542.33.0001 |
| ECCN Code | EAR99 |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Packaging | Tube |
| Lead Free | Contains Lead |
| Mounting Type | Surface Mount |
| Part Status | Obsolete |
| Operating Temperature | -40°C~85°C |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Supply Voltage | 5V |
| Technology | CMOS |
| Output Current per Channel | 40mA |
| Manufacturer | Texas |
| Output Type | Rail-to-Rail |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Subcategory | Operational Amplifier |
| Sub-Categories | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Architecture | VOLTAGE-FEEDBACK |
| Number of Functions | 1 |
| Pbfree Code | no |
| Radiation Hardening | No |
| Mount | Surface Mount |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Bandwidth | 350 kHz |
| Pin Count | 8 |
| Length | 4.9mm |
| Input Offset Voltage (Vos) | 6mV |
| Output Current | 40mA |
| Peak Reflow Temperature (Cel) | 235 |
| Slew Rate | 0.11V/μs |
| Common Mode Rejection Ratio | 63 dB |
| Manufacturer's Part No. | LPC661IM |
| Base Part Number | LPC661 |
| Operating Supply Current | 58μA |
| Nominal Supply Current | 58μA |
| Voltage Gain | 120dB |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Unity Gain BW-Nom | 350 kHz |
| Number of Channels | 1 |
| Micropower | YES |
| Frequency Compensation | YES |
| Amplifier Type | General Purpose |
| Low-Bias | YES |
| Programmable Power | NO |
| Low-Offset | NO |
| Voltage - Input Offset | 1mV |
| Average Bias Current-Max (IIB) | 0.4μA |
| Power Supply Rejection Ratio (PSRR) | 63dB |
| Voltage - Supply, Single/Dual (±) | 4.75V~15.5V ±2.38V~7.75V |
| Current - Input Bias | 0.002pA |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing LPC661IM replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for LPC661IM?
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 LPC661IM 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 LPC661IM?
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 LPC661IM 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 LPC661IM 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.