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Alternative part analysis

AD1672AP Obsolete replacements and cross reference

Compare mapped pin-to-pin replacement options for AD1672AP, review cross-reference notes, and verify the engineering fit before approval.

Compare AD1672AP vs AD9221ARZ and review the mapped replacement relationship here.

Compare AD1672AP against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
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Back to product detail pageBrowse Analog Devices Inc./Maxim IntegratedSee Data Acquisition - Analog to Digital Converters (ADC) category

AD1672AP cross reference and alternatives

AD1672AP vs AD9221ARZ: replacement comparison

Start with the best mapped replacement options for AD1672AP, including pin-to-pin, functional, and cross-reference alternatives. Review the overview and core specifications, then submit an RFQ when the fit looks right.

Functional

AD1672AP vs AD9221ARZ

Analog Devices Inc./Maxim Integrated

ADI currently marks AD1672 obsolete and names AD9221 as the suggested replacement ADC family.

AD9221ARZ is mapped as a possible replacement for AD1672AP. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Analog Devices Inc./Maxim Integrated
Package
28SOIC
Series
-
Category
Integrated Circuits (ICs)
Stock
197,135
Available
40,057
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Category: Integrated Circuits (ICs)
  • Subcategory: Data Acquisition - Analog to Digital Converters (ADC)
  • Manufacturer: Analog Devices Inc./Maxim Integrated

Differences

  • Package: 28-PDIP vs 28SOIC
  • Sampling Rate: 3 Msps vs 1.5 Msps
  • Converter Type: A/D CONVERTER vs ADC, FLASH METHOD
  • Resolution: 12-bit vs 1.5 B

Must verify

  • Confirm package dimensions, footprint, and mounting details.
  • Confirm functional behavior and application-level compatibility.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.

Other replacement comparisons for AD1672AP

P2P

AD1672AP vs AD1671AP

Analog Devices Inc./Maxim Integrated

AD1671AP is published as a first-pass pin-compatible shortlist candidate for AD1672AP sustainment review and must be verified against timing and interface needs.

AD1671AP is mapped as a possible replacement for AD1672AP. Verify package, lifecycle, stock, datasheet, and key attributes before approval.

Manufacturer
Analog Devices Inc./Maxim Integrated
Package
28-PDIP
Series
AD1671
Category
Integrated Circuits (ICs)
Stock
143,705
Available
60,954
Min Order
1
Datasheet
Available
Key Attributes: -

Matches

  • Package: 28-PDIP
  • Category: Integrated Circuits (ICs)
  • Subcategory: Data Acquisition - Analog to Digital Converters (ADC)
  • Manufacturer: Analog Devices Inc./Maxim Integrated

Differences

  • Sampling Rate: 3 Msps vs 1.25 Msps
  • Package / Case: Legacy package variants vs 28-PDIP

Must verify

  • Confirm the complete pinout; a mapped pin-to-pin relationship is not final approval.
  • Check electrical limits and test conditions in both manufacturer datasheets.
  • Confirm qualification, compliance, and internal approval requirements.

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.

Swipe or scroll horizontally to compare more part numbers

The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.

Parameter Comparison Chart
Current partObsolete
AD1672AP

Analog Devices Inc./Maxim Integrated

Functional
AD9221ARZ

Analog Devices Inc./Maxim Integrated

P2P
AD1671AP

Analog Devices Inc./Maxim Integrated

Part NumberAD1672APAD9221ARZAD1671AP
ManufacturerAnalog Devices Inc./Maxim IntegratedAnalog Devices Inc./Maxim IntegratedAnalog Devices Inc./Maxim Integrated
CategoryIntegrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)
SubcategoryData Acquisition - Analog to Digital Converters (ADC)Data Acquisition - Analog to Digital Converters (ADC)Data Acquisition - Analog to Digital Converters (ADC)
Package28-PDIP28SOIC28-PDIP
Series--AD1671
Key Attributes---
DescriptionAD1672AP obsolete 12-bit 3 MSPS monolithic ADC listed by ADI and redirected to AD9221.IC ADC 12BIT 1.5MSPS 28SOICLegacy 12-bit 1.25 MSPS ADC exact MPN used as a pin-compatible shortlist candidate for AD1672AP sustainment review.
LifecycleObsolete--
Stock20,476197,135143,705
Available38,62340,05760,954
Min Order111
DatasheetAvailableAvailableAvailable
Application NoteSustainment-only review and interface revalidation required--
ManufacturerAnalog Devices Inc./Maxim IntegratedAnalog Devices Inc./Maxim IntegratedAnalog Devices Inc./Maxim Integrated
Sampling Rate3 Msps1.5 Msps1.25 Msps
Converter TypeA/D CONVERTERADC, FLASH METHODA/D CONVERTER
Resolution12-bit1.5 B12-bit
Lifecycle StatusOBSOLETEPRODUCTION (Last Updated: 2 weeks ago)-
Package / CaseLegacy package variants28-SOIC (0.295, 7.50mm Width)28-PDIP
Replacement PathAD9221--
ArchitectureMonolithic ADCPipelinedMonolithic ADC
Sample and Hold / Track and Hold-SAMPLE-
Configuration-S/H-ADC-
Input Type-Differential, Single Ended-
Supply Type-Analog, Digital-
Linearity Error-Max (EL)-0.0305%-
Sampling Rate (Per Second)-1.5M-
Signal to Noise Ratio (SNR)-70.2 dB-
Number of Analog In Channels-1-
Output Bit Code-BINARY-
Number of Channels-1-
Differential Nonlinearity-0.75 LSB-
Power Consumption-59mW-
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-
Part Status-Active-
REACH Status-REACH Unaffected-
ECCN-EAR99-
Packaging-Tube-
Lead Free-Contains Lead-
Mounting Type-Surface Mount-
Factory Lead Time-8 Weeks-
Operating Temperature--40°C~85°C-
Categories-Integrated Circuits (ICs)-
Terminal Position-DUAL-
Peak Reflow Temperature (Cel)-260-
Terminal Form-GULL WING-
Supply Voltage-5V-
Technology-CMOS-
Sub-Categories-Data Acquisition - Analog to Digital Converters (ADC)-
Polarity-Unipolar-
Min Supply Voltage-4.75V-
Height-2.35mm-
Integral Nonlinearity (INL)-1.25 LSB-
Power Dissipation-70mW-
Length-18.1mm-
Base Part Number-AD9221-
Voltage - Supply, Digital-2.7V~5.25V-
Number of Functions-1-
Reference Type-Internal-
Operating Supply Voltage-5V-
Width-7.6mm-
Surface Mount-YES-
Pbfree Code-no-
Data Interface-Parallel-
Number of Bits-12-
Reflow Temperature-Max (s)-30-
Max Supply Voltage-5.25V-
Contact Plating-Tin-
Radiation Hardening-No-
Number of Terminations-28-
Number of Pins-28-
Pin Count-28-
Max Input Voltage-5V-
Min Input Voltage-1V-
Max Power Dissipation-70mW-
Input Capacitance-16pF-
Manufacturer's Part No.-AD9221ARZ-
Family Relationship--High-speed 12-bit ADC shortlist candidate
Lifecycle Note--Legacy sustainment candidate
Actions

Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing AD1672AP replacement and equivalent-part options.

What is a cross-reference page for AD1672AP?

This page groups mapped replacement options for AD1672AP so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.

Does a mapped alternative mean a guaranteed drop-in replacement for AD1672AP?

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 AD1672AP 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 AD1672AP?

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 AD1672AP 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 AD9221ARZ, followed by the other alternatives shown in the comparison table.

Is AD9221ARZ a replacement for AD1672AP?

AD9221ARZ is mapped as a Functional option for AD1672AP, not as an automatically approved drop-in replacement. Compare package, pinout, electrical limits, lifecycle, and qualification requirements before release.

Engineering support

Need help validating the replacement path?

If your team is unsure whether a mapped alternative to AD1672AP 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.

Package and pin compatibility

Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.

Parameter and function gaps

Surface the electrical, interface, or application-fit questions that still need confirmation before approval.

Qualification and approval prep

Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.