AD8223ARM-RL Equivalent & Substitute Parts

Part Overview

The AD8223ARM-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 device is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. The AD8223ARM-RL operates across a 3V to 24V supply range with a slew rate of 0.3V/µs and -3dB bandwidth of 200 kHz, designed for precision measurement and signal conditioning applications.

Substiute Parts

AD8223ARM-RL

Analog Devices Inc.In Stock: 986AD8223ARM-RL Datasheet

Current PartRFQ

AD8223ARMZ-RL

Analog Devices Inc.In Stock: 956AD8223ARMZ-RL Datasheet

DirectRFQ

ADA4622-2ARMZ

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

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AD8223ARM-RL are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic follows these parameters:

Direct Equivalent Criteria:

• Identical amplifier type (Instrumentation)
• Matching number of circuits (1)
• Identical output type (Rail-to-Rail)
• Matching package type (8-MSOP)
• Compatible supply voltage range
• Identical or superior slew rate and bandwidth specifications
• Compatible input bias current and offset voltage specifications

Similar Alternative Criteria:

• Same package type (8-MSOP)
• Rail-to-rail output capability
• Surface mount mounting type
• Compatible supply voltage range overlap
• Moisture sensitivity level compatibility

Parameter Comparison

Engineering Selection Recommendations

AD8223ARMZ-RL (Direct Equivalent):

The AD8223ARMZ-RL is the primary direct substitute for the obsolete AD8223ARM-RL. This part maintains identical electrical specifications across all critical parameters including slew rate, bandwidth, input bias current, input offset voltage, and supply current. The primary distinction is product status: AD8223ARMZ-RL is active and currently manufactured, ensuring long-term availability and supply chain continuity. Both parts share identical packaging (8-MSOP) and moisture sensitivity classification (MSL 1). The AD8223ARMZ-RL carries ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. The packaging difference (Tape & Reel for AD8223ARMZ-RL versus standard packaging for AD8223ARM-RL) does not affect electrical or mechanical compatibility. This substitution requires no circuit redesign.

ADA4622-2ARMZ (Similar Alternative):

The ADA4622-2ARMZ represents a functional alternative when higher performance specifications are acceptable within the application design. This J-FET amplifier provides superior performance characteristics: slew rate of 23V/µs (versus 0.3V/µs), -3dB bandwidth of 15.5 MHz (versus 200 kHz), input bias current of 2 pA (versus 12 nA), and input offset voltage of 40 µV (versus 250 µV). The ADA4622-2ARMZ contains two circuits compared to the single circuit in AD8223ARM-RL, and operates across a 5V to 30V supply range. Operating temperature extends to 125°C. The identical 8-MSOP package ensures mechanical compatibility. This substitution is suitable for applications requiring enhanced bandwidth, faster slew rate, or lower input offset characteristics. Circuit redesign may be necessary to accommodate the dual-circuit configuration and different amplifier topology.

Frequently Asked Questions (FAQ)

Q: Can AD8223ARMZ-RL directly replace AD8223ARM-RL without circuit modification?

A: Yes. The AD8223ARMZ-RL is electrically and mechanically identical to the AD8223ARM-RL across all specified parameters. The primary difference is product status (active versus obsolete) and packaging format (Tape & Reel). No circuit redesign is required.

Q: What is the key difference between AD8223ARM-RL and AD8223ARMZ-RL?

A: The AD8223ARMZ-RL is the active production equivalent of the obsolete AD8223ARM-RL. Both parts share identical electrical specifications and 8-MSOP packaging. The suffix "-Z" in AD8223ARMZ-RL indicates Tape & Reel packaging, while the original part uses standard packaging. Regulatory compliance (ROHS3, REACH) is explicitly documented for the active part.

Q: Is ADA4622-2ARMZ a direct substitute for AD8223ARM-RL?

A: No. The ADA4622-2ARMZ is a similar alternative, not a direct substitute. While both parts use the same 8-MSOP package and provide rail-to-rail output, the ADA4622-2ARMZ is a J-FET amplifier with two circuits, compared to the single-circuit instrumentation amplifier topology of the AD8223ARM-RL. The ADA4622-2ARMZ offers superior performance (higher slew rate, bandwidth, and lower input offset), but requires circuit redesign to accommodate the dual-circuit configuration and different amplifier type.

Q: Are there supply voltage compatibility issues between these parts?

A: The AD8223ARM-RL and AD8223ARMZ-RL operate identically across 3V to 24V. The ADA4622-2ARMZ requires a minimum of 5V (versus 3V for the AD8223 series) and supports up to 30V. Applications using supply voltages between 3V and 5V cannot use the ADA4622-2ARMZ as a substitute.

Q: What is the operating temperature range difference?

A: The AD8223ARM-RL and AD8223ARMZ-RL operate from -40°C to 85°C. The ADA4622-2ARMZ extends the upper temperature limit to 125°C. Applications requiring operation above 85°C cannot use the AD8223 series parts.

Q: Do all three parts share the same package type?

A: Yes. All three parts use the 8-TSSOP/8-MSOP package with 0.118" width and 3.00mm height. Mechanical compatibility is maintained across all substitutions.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are there regulatory compliance differences between the parts?

A: The AD8223ARMZ-RL and ADA4622-2ARMZ are explicitly documented as ROHS3 compliant and REACH unaffected. The obsolete AD8223ARM-RL does not have these certifications documented. For applications requiring regulatory compliance documentation, the active parts (AD8223ARMZ-RL or ADA4622-2ARMZ) are preferred.