AD8671ARMZ-R2 Equivalent & Substitute Parts

Part Overview

The AD8671ARMZ-R2 is a general-purpose operational amplifier manufactured by Analog Devices Inc., designed for precision linear applications requiring low input offset voltage and low input bias current. This device integrates one amplifier circuit in an 8-MSOP surface mount package and operates across a wide supply voltage range of 10V to 36V with an operating temperature range of -40°C to 125°C.

The AD8671ARMZ-R2 is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

AD8671ARMZ-R2

Analog Devices Inc.In Stock: 911AD8671ARMZ-R2 Datasheet

Current PartRFQ

AD8671ARMZ-REEL

Analog Devices Inc.In Stock: 1381AD8671ARMZ-REEL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD8671ARMZ-R2 is determined by equivalence across the following critical parameters:

Electrical Performance Parameters:

• Gain Bandwidth Product: 10 MHz
• Slew Rate: 4 V/µs
• Current - Input Bias: 3 nA
• Voltage - Input Offset: 20 µV
• Current - Supply: 3 mA
• Voltage - Supply Span: 10V to 36V
• Operating Temperature Range: -40°C to 125°C

Physical and Mechanical Parameters:

• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: 1 (Unlimited)

Functional Parameters:

• Amplifier Type: General Purpose
• Number of Circuits: 1

Substitute parts must maintain identical electrical specifications, package dimensions, and functional characteristics to ensure direct replacement without circuit redesign or board layout modification.

Parameter Comparison

Engineering Selection Recommendations

AD8671ARMZ-REEL as Primary Substitute:

The AD8671ARMZ-REEL is the direct equivalent substitute for the obsolete AD8671ARMZ-R2. Both parts share identical electrical specifications, package dimensions, and functional characteristics across all critical parameters. The substitute part is manufactured by the same supplier (Analog Devices Inc.) and maintains the same base product number (AD8671).

Compliance and Status Advantages:

The AD8671ARMZ-REEL holds active product status, ensuring ongoing availability and manufacturer support. This part is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement and environmental compliance.

Output Current Consideration:

The AD8671ARMZ-REEL specifies a maximum output current of 20 mA per channel, compared to 30 mA for the main part. Applications requiring output currents exceeding 20 mA must be evaluated against actual circuit load requirements. For general-purpose amplifier applications operating within standard signal conditioning parameters, this specification difference does not present a functional limitation.

Packaging Distinction:

The primary difference between these parts is packaging format. The AD8671ARMZ-R2 is supplied in standard cut tape format, while the AD8671ARMZ-REEL is supplied in Digi-Reel® format. Both utilize identical 8-MSOP surface mount packages with 0.118" (3.00mm) width. Selection between these variants depends on procurement and assembly process requirements rather than electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the AD8671ARMZ-REEL directly replace the AD8671ARMZ-R2 in existing designs?

A: Yes. The AD8671ARMZ-REEL is a direct functional equivalent. Both parts share identical electrical specifications, package dimensions, pin configurations, and operating characteristics. No circuit redesign or board layout modification is required for substitution.

Q: What is the significance of the -REEL suffix in the part number?

A: The -REEL suffix indicates the packaging format. The AD8671ARMZ-REEL is supplied on Digi-Reel® tape, a continuous reel format used for high-volume automated assembly. The AD8671ARMZ-R2 uses standard cut tape packaging. The actual component and its electrical performance are identical; only the delivery format differs.

Q: Why is the AD8671ARMZ-R2 classified as obsolete?

A: The AD8671ARMZ-R2 has reached end-of-life status with the manufacturer. The AD8671ARMZ-REEL remains in active production and is the recommended replacement for new designs and ongoing production support.

Q: Does the 20 mA output current specification of the AD8671ARMZ-REEL limit its application?

A: The output current specification depends on application requirements. For standard signal conditioning, filtering, and precision measurement applications typical of general-purpose operational amplifiers, 20 mA output current is sufficient. Applications requiring higher output currents should be evaluated against specific circuit load impedance and signal levels.

Q: Are there any compliance or regulatory differences between these parts?

A: The AD8671ARMZ-REEL is ROHS3 compliant and REACH unaffected. The AD8671ARMZ-R2 compliance status is not specified. For procurement requiring current environmental and regulatory compliance documentation, the AD8671ARMZ-REEL is the appropriate selection.

Q: Can both parts be used interchangeably in the same assembly process?

A: Both parts use identical 8-MSOP surface mount packages and can be placed using the same pick-and-place equipment and solder reflow profiles. The primary process difference is tape format handling. Standard cut tape (AD8671ARMZ-R2) and Digi-Reel® format (AD8671ARMZ-REEL) require different feeder configurations on automated assembly equipment.

Q: What is the moisture sensitivity level, and does it affect storage or handling?

A: Both parts carry MSL 1 (Unlimited) rating, indicating unlimited shelf life under normal storage conditions. No special moisture control measures, baking procedures, or time-limited handling requirements apply to these components.