AD8602ARMZ-R2 Equivalent & Substitute Parts

Part Overview

The AD8602ARMZ-R2 is a CMOS operational amplifier manufactured by Analog Devices Inc., featuring dual-channel rail-to-rail output configuration in an 8-MSOP surface mount package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity. The AD8602ARMZ-R2 operates across a 2.7 V to 5.5 V supply range with a gain bandwidth product of 8.4 MHz and is suitable for low-power, general-purpose amplification applications requiring CMOS technology characteristics.

Key Parameters

Parameter	Value
Manufacturer Part Number	AD8602ARMZ-R2
Manufacturer	Analog Devices Inc.
Category	Linear, Amplifiers
Amplifier Type	CMOS
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Gain Bandwidth Product	8.4 MHz
Slew Rate	6 V/µs
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	5.5 V
Current - Input Bias	0.2 pA
Voltage - Input Offset	80 µV
Current - Supply	750 µA (x2 Channels)
Current - Output / Channel	50 mA
Operating Temperature	-40°C ~ 125°C
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the AD8602ARMZ-R2 is determined by the following critical parameters: amplifier type (CMOS), number of circuits (2), output type (rail-to-rail), package configuration (8-MSOP or compatible), mounting type (surface mount), and electrical specifications including gain bandwidth product, slew rate, supply voltage range, input bias current, input offset voltage, supply current, and output current per channel.

The substitute parts are grouped into two categories:

Direct Equivalent (Packaging Variant): AD8602ARMZ-REEL represents the same base product (AD8602) with identical electrical specifications but supplied in Digi-Reel packaging format. This part maintains full compatibility with the original design.

Functional Equivalents (Active Status): Parts including ADA4500-2ARMZ-R7, ADA4661-2ARMZ-RL, LMV822 variants, and LMV852MM/NOPB provide CMOS or general-purpose dual-channel rail-to-rail amplification in compatible 8-MSOP or 8-VSSOP packages. These parts satisfy the core functional requirements while offering active product status and improved compliance certifications.

Similar Performance (Obsolete Status): FAN4852IMU8X provides comparable electrical performance but shares obsolete product status with the original part.

Parameter Comparison

Parameter	AD8602ARMZ-R2	AD8602ARMZ-REEL	ADA4500-2ARMZ-R7	ADA4661-2ARMZ-RL	FAN4852IMU8X	LMV822IST	LMV822IYST	LMV822MM/NOPB	LMV822Q1MM/NOPB	LMV852MM/NOPB
Manufacturer	Analog Devices	Analog Devices	Analog Devices	Analog Devices	onsemi	STMicroelectronics	STMicroelectronics	National Semiconductor	Texas Instruments	Texas Instruments
Amplifier Type	CMOS	CMOS	General Purpose	CMOS	CMOS	General Purpose	General Purpose	General Purpose	General Purpose	CMOS
Number of Circuits	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MiniSO	8-MiniSO	8-VSSOP	8-VSSOP	8-VSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Gain Bandwidth Product	8.4 MHz	8.4 MHz	10 MHz	4 MHz	9 MHz	5.5 MHz	5.5 MHz	5.6 MHz	5.6 MHz	8 MHz
Slew Rate	6 V/µs	6 V/µs	5.5 V/µs	2 V/µs	6.1 V/µs	1.9 V/µs	1.9 V/µs	2 V/µs	2 V/µs	4.5 V/µs
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	3 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.7 V
Voltage - Supply Span (Max)	5.5 V	5.5 V	5.5 V	18 V	5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Current - Input Bias	0.2 pA	0.2 pA	0.7 pA	0.5 pA	0.1 pA	60 nA	60 nA	40 nA	40 nA	0.1 pA
Voltage - Input Offset	80 µV	80 µV	120 µV	30 µV	300 µV	3.5 mV	3.5 mV	1 mV	1 mV	260 µV
Current - Supply	750 µA	750 µA	1.5 mA	630 µA	900 µA	300 µA	300 µA	500 µA	500 µA	820 µA
Current - Output / Channel	50 mA	50 mA	75 mA	220 mA	90 mA	70 mA	70 mA	45 mA	45 mA	65 mA
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Product Status	Obsolete	Active	Active	Active	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: AD8602ARMZ-REEL

The AD8602ARMZ-REEL is the direct equivalent of the AD8602ARMZ-R2, providing identical electrical specifications and CMOS amplifier characteristics. This part is currently in active product status with ROHS3 compliance and improved moisture sensitivity rating (MSL 1 versus MSL 3). The AD8602ARMZ-REEL is supplied in Digi-Reel packaging format and represents the optimal substitution path for designs currently using the obsolete AD8602ARMZ-R2.

Secondary Recommendations for Active Product Status:

LMV852MM/NOPB offers CMOS amplifier technology with comparable gain bandwidth product (8 MHz) and slew rate (4.5 V/µs) within the same supply voltage range. This part maintains active product status, ROHS3 compliance, and MSL 1 rating. The 8-VSSOP package requires PCB layout modification but provides functional equivalence.

LMV822Q1MM/NOPB provides general-purpose dual-channel rail-to-rail amplification with active product status, automotive qualification (AEC-Q100), and extended operating temperature range (-40°C to 125°C). This part is suitable for applications where general-purpose amplifier characteristics are acceptable and automotive-grade reliability is required.

ADA4500-2ARMZ-R7 offers higher gain bandwidth product (10 MHz) and improved slew rate (5.5 V/µs) with active product status and ROHS3 compliance. This part is appropriate for applications requiring enhanced frequency response characteristics.

Obsolete Status Consideration:

FAN4852IMU8X shares obsolete product status with the original AD8602ARMZ-R2 and should not be selected for new designs or long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can AD8602ARMZ-REEL be used as a direct replacement for AD8602ARMZ-R2?

A: Yes. AD8602ARMZ-REEL is the direct equivalent with identical electrical specifications, CMOS amplifier type, dual-channel configuration, and 8-MSOP package. The primary difference is packaging format (Digi-Reel versus cut tape) and improved product status (active versus obsolete).

Q: What are the key differences between CMOS and general-purpose amplifier types in this product category?

A: CMOS amplifiers (AD8602ARMZ-R2, AD8602ARMZ-REEL, ADA4661-2ARMZ-RL, FAN4852IMU8X, LMV852MM/NOPB) feature extremely low input bias current (typically in picoamperes) and are optimized for high-impedance input applications. General-purpose amplifiers (ADA4500-2ARMZ-R7, LMV822 variants) provide broader performance characteristics with higher input bias current (typically in nanoamperes) and are suitable for general signal conditioning applications.

Q: Are package variants (8-MSOP, 8-VSSOP, 8-MiniSO) interchangeable?

A: No. While all variants are 8-pin surface mount packages with similar pinout configurations, physical dimensions and PCB footprints differ. LMV822 variants in 8-VSSOP and 8-MiniSO packages require different PCB layouts than the original 8-MSOP package. Verify footprint compatibility before substitution.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: MSL rating indicates moisture absorption limits and bake-out requirements before soldering. The original AD8602ARMZ-R2 has MSL 3 (168-hour limit), requiring more stringent moisture control. Substitute parts with MSL 1 (unlimited) provide greater handling flexibility and reduced risk of moisture-related failures during storage and assembly.

Q: Which substitute parts offer automotive qualification?

A: LMV822IST, LMV822IYST, LMV822MM, and LMV822Q1MM/NOPB carry AEC-Q100 automotive qualification. These parts are suitable for automotive applications requiring industry-standard reliability certification.

Q: How do supply current specifications affect design selection?

A: Supply current directly impacts power consumption and thermal management. The original AD8602ARMZ-R2 draws 750 µA per dual-channel pair. LMV822 variants draw 300-500 µA (lower power), while ADA4500-2ARMZ-R7 draws 1.5 mA (higher power). Select based on power budget and thermal constraints of the target application.

Q: What is the impact of gain bandwidth product differences on circuit performance?

A: Gain bandwidth product determines the maximum frequency response at a given closed-loop gain. The original AD8602ARMZ-R2 provides 8.4 MHz. ADA4500-2ARMZ-R7 offers 10 MHz (higher bandwidth), while ADA4661-2ARMZ-RL provides 4 MHz (lower bandwidth). Select based on required signal bandwidth and frequency response characteristics.

Q: Are there supply voltage compatibility considerations?

A: Most substitutes operate within the 2.7 V to 5.5 V range of the original part. ADA4661-2ARMZ-RL extends to 18 V maximum, while FAN4852IMU8X operates to 5 V maximum. Verify supply voltage compatibility with your power distribution design.

Q: What is the significance of input offset voltage specifications?

A: Input offset voltage represents DC error at the amplifier output with zero differential input. The original AD8602ARMZ-R2 specifies 80 µV. Lower values (ADA4661-2ARMZ-RL at 30 µV, LMV822 variants at 1-3.5 mV) reduce DC error in precision applications. Higher values (FAN4852IMU8X at 300 µV) may require offset trimming in sensitive circuits.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message