What is a cross-reference page for AD8421ARMZ?
This page groups mapped replacement options for AD8421ARMZ so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
AD8421ARMZ replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for AD8421ARMZ, then verify package, specifications, and application fit before approval.
Compare AD8421ARMZ against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
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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 AD8421ARMZ Analog Devices Inc./Maxim Integrated |
|---|---|
| Part Number | AD8421ARMZ |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Integrated Circuits (ICs) |
| Subcategory | Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers |
| Package | TSSOP |
| Series | - |
| Key Attributes | - |
| Description | IC OPAMP INSTR 10MHZ 8MSOP |
| Lifecycle | - |
| Stock | 139,727 |
| Available | 56,274 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Packaging | Tube |
| Lead Free | Contains Lead |
| Mounting Type | Surface Mount |
| Factory Lead Time | 12 Weeks |
| Operating Temperature | -40°C~85°C |
| Categories | Integrated Circuits (ICs) |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Qualification Status | Not Qualified |
| Terminal Pitch | 0.65mm |
| Lifecycle Status | PRODUCTION (Last Updated: 2 weeks ago) |
| Max Junction Temperature (Tj) | 150°C |
| Package / Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| Slew Rate | 35V/μs |
| Sub-Categories | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Nominal Supply Current | 2mA |
| Height | 1.1mm |
| Input Offset Voltage (Vos) | 70μV |
| Number of Functions | 1 |
| Pbfree Code | no |
| Reflow Temperature-Max (s) | 30 |
| Mount | Surface Mount |
| Supply Voltage | 15V |
| Technology | BIPOLAR |
| Output Current per Channel | 65mA |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Operating Supply Voltage | 6V |
| Width | 3.2mm |
| Length | 3.2mm |
| Bandwidth | 10MHz |
| Gain Bandwidth Product | 10MHz |
| Operating Supply Current | 2.3mA |
| Max Supply Current | 2.3mA |
| Common Mode Rejection Ratio | 94 dB |
| Manufacturer's Part No. | AD8421ARMZ |
| Base Part Number | AD8421 |
| -3db Bandwidth | 10MHz |
| Terminal Finish | Matte Tin (Sn) |
| Voltage - Supply, Single/Dual (±) | 5V~36V ±2.5V~18V |
| Number of Channels | 1 |
| Neg Supply Voltage-Nom (Vsup) | -15V |
| Current - Input Bias | 1nA |
| Voltage - Input Offset | 60μV |
| Power Supply Rejection Ratio (PSRR) | 140dB |
| Voltage Gain | 80dB |
| Amplifier Type | Instrumentation |
| Voltage Gain-Nom | 10 |
| Non-linearity-Max | 0.005% |
| Input Offset Current-Max (IIO) | 0.0022μA |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8542.33.0001 |
| ECCN Code | EAR99 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing AD8421ARMZ replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for AD8421ARMZ?
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 AD8421ARMZ 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 AD8421ARMZ?
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 AD8421ARMZ 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 AD8421ARMZ from Analog Devices Inc./Maxim Integrated 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.