AD8220ARMZ-RL Equivalent & Substitute Parts

Part Overview

The AD8220ARMZ-RL is an instrumentation amplifier manufactured by Analog Devices Inc., featuring a single circuit with rail-to-rail output capability in an 8-MSOP surface mount package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design requirements and production continuity. The AD8220ARMZ-RL delivers a slew rate of 2V/µs, operates across a 4.5V to 36V supply range, and maintains an input bias current of 25 pA with a 250 µV input offset voltage specification.

Substiute Parts

AD8220ARMZ-RL

Analog Devices Inc.In Stock: 910AD8220ARMZ-RL Datasheet

Current PartRFQ

AD8220ARMZ-R7

Analog Devices Inc.In Stock: 15740AD8220ARMZ-R7 Datasheet

DirectRFQ

ADA4622-2ARMZ

Analog Devices Inc.In Stock: 2352ADA4622-2ARMZ Datasheet

SimilarRFQ

INA826AIDGK

Texas InstrumentsIn Stock: 2871INA826AIDGK Datasheet

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INA826AIDGKR

Texas InstrumentsIn Stock: 25121INA826AIDGKR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AD8220ARMZ-RL are categorized based on functional equivalence and electrical parameter compatibility. The primary substitution criterion is the instrumentation amplifier topology with rail-to-rail output capability, single circuit configuration, and surface mount 8-MSOP packaging.

Direct Equivalent (Same Manufacturer, Active Status): The AD8220ARMZ-R7 represents a direct equivalent from Analog Devices Inc., maintaining identical electrical specifications and package configuration while offering active product status and improved availability.

Similar Functional Alternatives (Different Manufacturers or Topologies): The ADA4622-2ARMZ, INA826AIDGK, and INA826AIDGKR provide functional alternatives with comparable rail-to-rail output and surface mount packaging. These parts differ in amplifier topology, circuit count, and specific electrical parameters but operate within compatible supply voltage ranges and mounting requirements.

Substitution logic is based on the following key parameters:

• Amplifier Type (Instrumentation or equivalent operational amplifier topology)
• Output Type (Rail-to-Rail capability)
• Package / Case (8-MSOP surface mount compatibility)
• Voltage - Supply Span compatibility (minimum 4.5V to maximum 36V overlap)
• Operating Temperature range support

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): The AD8220ARMZ-R7 is the recommended substitute for the obsolete AD8220ARMZ-RL. This part maintains identical electrical specifications, package configuration, and operating parameters while offering active product status from Analog Devices Inc. The AD8220ARMZ-R7 is ROHS3 compliant and REACH unaffected, providing regulatory compliance advantages over the original obsolete part. Inventory availability of 15,698 units ensures supply continuity.

For Functional Alternatives: The INA826AIDGKR (Texas Instruments) provides an active instrumentation amplifier alternative with identical circuit count and rail-to-rail output. This part operates across a wider minimum supply voltage range (2.7V vs. 4.5V) and offers extended operating temperature range (-40°C to 125°C). The INA826AIDGKR demonstrates superior supply current efficiency (200 µA vs. 750 µA) and is available in high volume (25,100 units). ROHS3 compliance and REACH unaffected status are confirmed.

The INA826AIDGK provides identical electrical specifications to the INA826AIDGKR with tube packaging and lower inventory availability (2,851 units).

The ADA4622-2ARMZ represents a different amplifier topology (J-FET vs. instrumentation) with dual circuits, higher slew rate (23V/µs), and extended bandwidth (15.5 MHz). This part is suitable only for applications requiring higher frequency performance and is not recommended as a direct functional replacement due to topology differences and dual-circuit configuration.

Frequently Asked Questions (FAQ)

Q: Can the AD8220ARMZ-R7 be used as a direct replacement for the AD8220ARMZ-RL?

A: Yes. The AD8220ARMZ-R7 is a direct equivalent with identical electrical specifications, package configuration, and pin compatibility. The primary difference is active product status and improved availability. No circuit modifications are required.

Q: What are the key differences between the AD8220ARMZ-RL and INA826AIDGKR?

A: Both are single-circuit instrumentation amplifiers with rail-to-rail output in 8-MSOP packages. The INA826AIDGKR offers lower supply current (200 µA vs. 750 µA), wider minimum supply voltage range (2.7V vs. 4.5V), extended operating temperature range (125°C vs. 85°C maximum), and lower input offset voltage (40 µV vs. 250 µV). The AD8220ARMZ-RL provides higher slew rate (2V/µs vs. 1V/µs) and bandwidth (1.5 MHz vs. 1 MHz).

Q: Is the ADA4622-2ARMZ suitable as a replacement?

A: The ADA4622-2ARMZ is not recommended as a direct replacement. While it shares the same package and rail-to-rail output capability, it employs J-FET amplifier topology instead of instrumentation amplifier topology and contains two circuits instead of one. This part is suitable only for applications requiring higher frequency performance (15.5 MHz bandwidth vs. 1.5 MHz).

Q: What packaging options are available for substitute parts?

A: The AD8220ARMZ-R7 is available in Cut Tape (CT) and Digi-Reel® packaging. The INA826AIDGK is supplied in Tube packaging, while the INA826AIDGKR is available in Cut Tape (CT) and Digi-Reel® packaging. All parts maintain the same 8-MSOP surface mount package footprint.

Q: Are all substitute parts RoHS compliant?

A: The AD8220ARMZ-R7, ADA4622-2ARMZ, INA826AIDGK, and INA826AIDGKR are all ROHS3 compliant. The original AD8220ARMZ-RL RoHS status was not specified in the provided data.

Q: What is the moisture sensitivity level difference between parts?

A: The AD8220ARMZ-RL and AD8220ARMZ-R7 have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. The INA826AIDGK and INA826AIDGKR have MSL 2 (1 Year), requiring storage in controlled humidity conditions for one year from the date of manufacture.

Q: Which substitute offers the best power efficiency?

A: The INA826AIDGKR and INA826AIDGK offer the lowest supply current at 200 µA, compared to 750 µA for the AD8220ARMZ-RL and AD8220ARMZ-R7. This represents a 73% reduction in supply current consumption.