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Alternative part analysis

AD8644ARZ-REEL7 replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for AD8644ARZ-REEL7, then verify package, specifications, and application fit before approval.

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Specification view

Parameter Comparison Chart

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Parameter Comparison Chart
Current part
AD8644ARZ-REEL7

Analog Devices Inc./Maxim Integrated

Part NumberAD8644ARZ-REEL7
ManufacturerAnalog Devices Inc./Maxim Integrated
CategoryIntegrated Circuits (ICs)
SubcategoryLinear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers
Package14SOIC
Series-
Key Attributes-
DescriptionIC OPAMP GP 5.5MHZ RRO 14SOIC
Lifecycle-
Stock134,797
Available76,869
Min Order1
DatasheetAvailable
Height Seated (Max)1.75mm
Part StatusActive
REACH StatusREACH Unaffected
ECCNEAR99
Lead FreeContains Lead
Mounting TypeSurface Mount
Factory Lead Time8 Weeks
PackagingTape & Reel (TR)
Operating Temperature-20°C~85°C
CategoriesIntegrated Circuits (ICs)
ManufacturerAnalog Devices Inc./Maxim Integrated
Terminal PositionDUAL
Peak Reflow Temperature (Cel)260
Terminal FormGULL WING
Qualification StatusNot Qualified
Lifecycle StatusPRODUCTION (Last Updated: 4 weeks ago)
Output TypeRail-to-Rail
Length8.65mm
Packing MethodTAPE AND REEL
SubcategoryOperational Amplifier
Sub-CategoriesLinear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
ArchitectureVOLTAGE-FEEDBACK
Package / Case14-SOIC (0.154, 3.90mm Width)
Input Offset Voltage (Vos)2.5mV
Surface MountYES
Pbfree Codeno
Reflow Temperature-Max (s)30
Contact PlatingTin
Pin Count14
Number of Pins14
Number of Terminations14
TechnologyBIPOLAR
Terminal Pitch1.27mm
Number of Functions4
Supply Voltage18V
Common Mode Rejection Ratio75 dB
Output Current per Channel70mA
Slew Rate7.5V/μs
Operating Supply Current4.4mA
Base Part NumberAD8644
Settling Time3 μs
Input Voltage Noise Density12nV/sqrt Hz
Quiescent Current1.1mA
Gain Bandwidth Product5.5MHz
Manufacturer's Part No.AD8644ARZ-REEL7
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusROHS3 Compliant
HTSUS8542.33.0001
ECCN CodeEAR99
Unity Gain BW-Nom5500 kHz
Average Bias Current-Max (IIB)0.0005μA
Number of Channels4
Frequency CompensationYES
Amplifier TypeGeneral Purpose
Supply Voltage Limit-Max20V
MicropowerNO
Programmable PowerNO
Low-OffsetNO
WidebandNO
Low-BiasNO
Power Supply Rejection Ratio (PSRR)110dB
Current - Input Bias80nA
Supply Current-Max6mA
Voltage - Input Offset1mV
Voltage - Supply, Single/Dual (±)5V~18V
Power Supplies5/18V
Voltage Gain103.52dB
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing AD8644ARZ-REEL7 replacement and equivalent-part options.

What is a cross-reference page for AD8644ARZ-REEL7?

This page groups mapped replacement options for AD8644ARZ-REEL7 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 AD8644ARZ-REEL7?

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 AD8644ARZ-REEL7 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 AD8644ARZ-REEL7?

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 AD8644ARZ-REEL7 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 AD8644ARZ-REEL7 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.