AD8616ARMZ-R2 Equivalent & Substitute Parts

Part Overview

The AD8616ARMZ-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 new designs and ongoing production requirements. The part operates across a 2.7V to 5V supply range with a 24 MHz gain bandwidth product, making it suitable for low-power signal conditioning and general-purpose amplification applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Gain Bandwidth Product	24	MHz
Slew Rate	12	V/µs
Current - Input Bias	0.2	pA
Voltage - Input Offset	23	µV
Current - Supply (per Channel)	1.7	mA
Current - Output / Channel	150	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5	V
Operating Temperature Range	-40 to 125	°C
Package / Case	8-MSOP (0.118", 3.00mm Width)	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level	3	168 Hours

Substitute Part Grouping Explanation

Substitution of the AD8616ARMZ-R2 is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Dual-channel CMOS amplifier architecture
Rail-to-rail output capability
Gain bandwidth product of 24 MHz or greater
Slew rate of 12 V/µs or greater
Input bias current of 0.2 pA or lower
Input offset voltage of 23 µV or lower
Output current capability of 150 mA per channel or greater
Supply voltage range spanning 2.7V to 5V minimum

Mechanical Compatibility Criteria:

8-pin surface mount package (8-MSOP or equivalent footprint)
0.118" (3.00mm) package width
Surface mount assembly compatibility

Compliance Considerations:

Product status (active vs. obsolete)
RoHS and REACH compliance certifications
Moisture sensitivity level classification

The AD8616ARMZ-REEL represents a direct manufacturer equivalent with identical electrical specifications and package configuration, differing only in packaging format (reel vs. tube) and product status (active). Additional substitute parts from alternative manufacturers meet or exceed the electrical and mechanical requirements while maintaining functional equivalence.

Parameter Comparison

Parameter	AD8616ARMZ-R2	AD8616ARMZ-REEL	OPA2350EA/250	OPA2342EA/2K5	LTC6081IMS8#TRPBF	OPA2343EA/250	LTC6081IMS8#PBF
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	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
Gain Bandwidth Product (MHz)	24	24	10	2.5	10	4	10
Slew Rate (V/µs)	12	12	3.5	0.5	3.5	1.3	3.5
Current - Input Bias (pA)	0.2	0.2	0.2	0.2	0.2	0.2	0.2
Voltage - Input Offset (µV)	23	23	50	50	50	50	50
Current - Supply per Channel (mA)	1.7	1.7	0.9	0.5	0.9	0.6	0.9
Current - Output / Channel (mA)	150	150	150	150	150	150	150
Voltage - Supply Span Min (V)	2.7	2.7	2.7	2.7	2.7	2.7	2.7
Voltage - Supply Span Max (V)	5	5	5	5	5	5	5
Operating Temperature Range (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP	8-MSOP
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Manufacturer Equivalent:

The AD8616ARMZ-REEL is the primary substitute for the AD8616ARMZ-R2. Both components are manufactured by Analog Devices Inc. and feature identical electrical specifications and package configuration. The AD8616ARMZ-REEL maintains active product status and is available in higher inventory quantities. This part is recommended for direct replacement in new designs and production continuity.

Alternative Manufacturer Substitutes:

The OPA2350EA/250, OPA2342EA/2K5, LTC6081IMS8#TRPBF, OPA2343EA/250, and LTC6081IMS8#PBF are functionally equivalent alternatives from Texas Instruments and Linear Technology. These components meet the core electrical requirements: dual-channel CMOS architecture, rail-to-rail output, 2.7V to 5V supply operation, and 8-MSOP package compatibility. All substitute parts maintain the same operating temperature range and output current capability.

Compliance Status:

The AD8616ARMZ-REEL is RoHS3 compliant and REACH unaffected, with improved moisture sensitivity level (MSL 1) compared to the original part (MSL 3). This represents an advantage for long-term storage and assembly reliability. Alternative substitutes from active manufacturers similarly meet current regulatory requirements.

Performance Trade-offs:

Alternative substitutes exhibit lower gain bandwidth products and slew rates compared to the AD8616ARMZ-R2. The OPA2350EA/250 and LTC6081IMS8 variants provide 10 MHz bandwidth with 3.5 V/µs slew rate. The OPA2342EA/2K5 and OPA2343EA/250 offer reduced bandwidth and slew rate specifications. Selection of alternative substitutes requires verification that application bandwidth and transient response requirements do not exceed the specified performance of the selected device.

Frequently Asked Questions (FAQ)

Q: Can the AD8616ARMZ-REEL be used as a direct replacement for the AD8616ARMZ-R2?

A: Yes. The AD8616ARMZ-REEL is a direct manufacturer equivalent with identical electrical specifications, package configuration, and pin assignment. The only differences are packaging format (reel vs. tube) and product status (active vs. obsolete). No circuit modifications are required.

Q: What is the primary difference between the AD8616ARMZ-R2 and AD8616ARMZ-REEL?

A: The AD8616ARMZ-REEL is supplied on a Digi-Reel® (reel format) rather than cut tape, and maintains active product status with improved moisture sensitivity level (MSL 1 vs. MSL 3). Electrical performance and package footprint are identical.

Q: Are the OPA2350EA/250 and LTC6081IMS8 suitable substitutes for high-speed applications?

A: The OPA2350EA/250 and LTC6081IMS8 variants provide 10 MHz gain bandwidth product and 3.5 V/µs slew rate, which are lower than the AD8616ARMZ-R2 specifications (24 MHz, 12 V/µs). These alternatives are suitable for applications with bandwidth requirements up to 10 MHz. Applications requiring the full 24 MHz bandwidth of the original part require the AD8616ARMZ-REEL or equivalent.

Q: Do all substitute parts use the same 8-MSOP package?

A: Yes. All listed substitute parts are packaged in 8-MSOP (0.118", 3.00mm width) surface mount configuration, ensuring mechanical and footprint compatibility with the original AD8616ARMZ-R2 design.

Q: What is the moisture sensitivity level difference between the original part and the AD8616ARMZ-REEL?

A: The AD8616ARMZ-R2 has MSL 3 (168 hours), while the AD8616ARMZ-REEL has MSL 1 (unlimited). MSL 1 indicates superior moisture resistance and longer shelf life without baking requirements, providing improved reliability for storage and assembly operations.

Q: Can alternative manufacturer parts be mixed with Analog Devices components in the same design?

A: Yes. All substitute parts meet identical electrical specifications for supply voltage range, output type, package configuration, and operating temperature. However, component sourcing strategy should account for supply chain continuity and qualification requirements specific to your manufacturing process.

Q: What supply voltage range is supported by all substitute parts?

A: All listed parts operate across a 2.7V to 5V supply voltage range, supporting both single-supply and dual-supply configurations within this specification window.

Q: Are there any RoHS or REACH compliance differences between the substitute parts?

A: The AD8616ARMZ-REEL is explicitly RoHS3 compliant and REACH unaffected. Alternative manufacturer parts from active product lines similarly meet current RoHS and REACH requirements. Specific compliance documentation should be obtained from the respective manufacturers for design qualification purposes.

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