What is a cross-reference page for MCP3221A5T-E/OT?
This page groups mapped replacement options for MCP3221A5T-E/OT so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
MCP3221A5T-E/OT replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for MCP3221A5T-E/OT, then verify package, specifications, and application fit before approval.
Compare MCP3221A5T-E/OT against mapped replacement options
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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 MCP3221A5T-E/OT Microchip Technology |
|---|---|
| Part Number | MCP3221A5T-E/OT |
| Manufacturer | Microchip Technology |
| Category | Integrated Circuits (ICs) |
| Subcategory | Data Acquisition - Analog to Digital Converters (ADC) |
| Package | SOT23 |
| Series | - |
| Key Attributes | - |
| Description | IC ADC 12BIT 2.7V 1CH LP SOT23-5 |
| Lifecycle | - |
| Stock | 154,361 |
| Available | 43,302 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Mounting Type | Surface Mount |
| Published | 2003 |
| Factory Lead Time | 14 Weeks |
| Packaging | Tape & Reel (TR) |
| Termination | SMD/SMT |
| Voltage - Supply, Digital | 2.7V~5.5V |
| Categories | Integrated Circuits (ICs) |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Reference Type | Supply |
| Operating Temperature | -40°C~125°C |
| Supply Voltage | 5V |
| Technology | CMOS |
| Sub-Categories | Data Acquisition - Analog to Digital Converters (ADC) |
| Subcategory | Analog to Digital Converters |
| Architecture | SAR |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| Resolution | 1.5 B |
| Polarity | Unipolar |
| Manufacturer | Microchip Technology |
| Data Interface | I2C |
| Nominal Supply Current | 175μA |
| Interface | I2C, SPI |
| Package / Case | SC-74A, SOT-753 |
| Conversion Rate | 22.3 ksps |
| Number of Functions | 1 |
| Min Supply Voltage | 2.7V |
| Number of Bits | 12 |
| Radiation Hardening | No |
| Reflow Temperature-Max (s) | 40 |
| Mount | Surface Mount |
| Pbfree Code | yes |
| Number of Pins | 5 |
| Number of Terminations | 5 |
| Pin Count | 5 |
| Width | 1.8mm |
| Length | 3.1mm |
| Height | 1.3mm |
| Max Supply Voltage | 5.5V |
| Voltage - Supply, Analog | 2.7V~5.5V |
| Integral Nonlinearity (INL) | 2 LSB |
| Manufacturer's Part No. | MCP3221A5T-E/OT |
| Sampling Rate | 22.3 ksps |
| Base Part Number | MCP3221 |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8542.39.0001 |
| ECCN Code | EAR99 |
| Input Type | Single Ended |
| Sample and Hold / Track and Hold | SAMPLE |
| Configuration | S/H-ADC |
| Terminal Finish | Matte Tin (Sn) |
| Output Format | SERIAL |
| Linearity Error-Max (EL) | 0.0488% |
| Sampling Rate (Per Second) | 22.3k |
| Analog Input Voltage-Min | -0.3V |
| Number of Analog In Channels | 1 |
| Output Bit Code | BINARY |
| Number of Channels | 1 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing MCP3221A5T-E/OT replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for MCP3221A5T-E/OT?
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 MCP3221A5T-E/OT 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 MCP3221A5T-E/OT?
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 MCP3221A5T-E/OT 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 MCP3221A5T-E/OT from Microchip Technology 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.