MAX4274BEESA Equivalent & Substitute Parts

Part Overview

The MAX4274BEESA is a general purpose operational amplifier featuring dual circuits in an 8-SOIC surface mount package, manufactured by Analog Devices Inc./Maxim Integrated. This device provides rail-to-rail output capability with a 2 MHz gain bandwidth product and operates across a 2.5V to 5.5V supply range. The part is classified as obsolete, making equivalent and substitute components necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current design standards and compliance requirements.

Key Parameters

Parameter	MAX4274BEESA	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.7	V/µs
Gain Bandwidth Product	2	MHz
-3dB Bandwidth	590	kHz
Current - Input Bias	50	pA
Voltage - Input Offset	500	µV
Current - Supply (x2 Channels)	330	µA
Current - Output / Channel	65	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the MAX4274BEESA is determined by the following critical parameters:

Primary Compatibility Criteria:

Dual-circuit (2 circuits) operational amplifier configuration
8-SOIC surface mount package (0.154" width, 3.90mm)
Rail-to-rail output capability
General purpose amplifier classification
Supply voltage range compatibility (minimum 2.5V, maximum 5.5V)
Operating temperature range (-40°C to 85°C minimum)

Secondary Performance Parameters:

Slew rate ≥ 0.7V/µs
Gain bandwidth product ≥ 2 MHz
Input bias current ≤ 50 pA
Input offset voltage ≤ 500 µV
Output current per channel ≥ 65 mA
Supply current per channel ≤ 330 µA

Substitute parts are grouped into two categories: Direct Replacements (Analog Devices ADA4692 series) and Functional Alternatives (parts meeting core electrical and mechanical requirements with enhanced performance or different amplifier architectures).

Parameter Comparison

Parameter	MAX4274BEESA	ADA4692-2ARZ	ADA4692-2ARZ-R7	ADA4692-2ARZ-RL	LMR358FJ-GE2	LMV772MA/NOPB	LMV772MAX/NOPB	MCP602T-E/SN	Unit
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	CMOS	—
Number of Circuits	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	Differential, Rail-to-Rail	Differential, Rail-to-Rail	Rail-to-Rail	—
Slew Rate	0.7	1.3	1.3	1.3	1	1.4	1.4	2.3	V/µs
Gain Bandwidth Product	2	3.6	3.6	3.6	3	3.5	3.5	2.8	MHz
Current - Input Bias	50	0.5	0.5	0.5	15	0.23	0.23	1	pA
Voltage - Input Offset	500	500	500	500	100	250	250	700	µV
Current - Supply (x2 Channels)	330	180	180	180	210	600	600	230	µA
Current - Output / Channel	65	55	55	55	60	75	75	22	mA
Voltage - Supply Span (Min)	2.5	2.7	2.7	2.7	2.7	2.7	2.7	2.7	V
Voltage - Supply Span (Max)	5.5	5	5	5	5.5	5.5	5.5	6	V
Operating Temperature (Min)	-40	-40	-40	-40	-40	-40	-40	-40	°C
Operating Temperature (Max)	85	125	125	125	85	125	125	125	°C
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	—
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	—

Engineering Selection Recommendations

Recommended Primary Substitutes (Manufacturer-Designated):

The ADA4692-2ARZ series (available in three packaging variants: ADA4692-2ARZ, ADA4692-2ARZ-R7, and ADA4692-2ARZ-RL) represents the manufacturer-recommended replacement for the MAX4274BEESA. All three variants share identical electrical specifications and are manufactured by Analog Devices Inc., the same company that produced the original part. These devices provide enhanced performance with 1.3V/µs slew rate and 3.6 MHz gain bandwidth product compared to the original 0.7V/µs and 2 MHz specifications. All ADA4692 variants are ROHS3 compliant and carry active product status, ensuring long-term availability and support.

Selection by Packaging Requirements:

ADA4692-2ARZ: Tube packaging for manual assembly or small-volume applications
ADA4692-2ARZ-R7: Cut Tape (CT) & Digi-Reel® packaging for standard reel-based pick-and-place assembly
ADA4692-2ARZ-RL: Tape & Reel (TR) packaging for high-volume automated assembly

Alternative Functional Substitutes:

When ADA4692 variants are unavailable, the following active parts meet core electrical and mechanical compatibility criteria:

LMV772MA/NOPB and LMV772MAX/NOPB (Texas Instruments): Provide superior input bias current (0.23 pA) and extended operating temperature to 125°C. LMV772MAX/NOPB offers higher inventory availability (22,113 units). These parts feature differential output capability in addition to rail-to-rail operation.
LMR358FJ-GE2 (Rohm Semiconductor): Maintains 8-SOIC package compatibility with 3 MHz gain bandwidth product and 1V/µs slew rate. Suitable for applications where lower input bias current (15 nA) is acceptable.
MCP602T-E/SN (Microchip Technology): CMOS architecture with 2.3V/µs slew rate and 2.8 MHz gain bandwidth product. Note: Output current per channel is 22 mA, below the original 65 mA specification. Suitable only for low-current output applications.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant, addressing the non-compliant status of the original MAX4274BEESA. For applications requiring RoHS compliance, any of the listed substitutes are acceptable. All parts carry REACH Unaffected status and EAR99 ECCN classification, matching the original part's regulatory profile.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace MAX4274BEESA with ADA4692-2ARZ without circuit modifications?

A: Yes. The ADA4692-2ARZ series maintains identical pin configuration, 8-SOIC package dimensions (0.154" width, 3.90mm), and functional electrical specifications within the operating range of the original part. No circuit modifications are required for direct substitution. However, verify that your application does not depend on the specific slew rate or bandwidth characteristics of the original device, as the ADA4692 provides enhanced performance.

Q2: What is the difference between ADA4692-2ARZ, ADA4692-2ARZ-R7, and ADA4692-2ARZ-RL?

A: These three part numbers represent identical electrical devices with different packaging and delivery formats. ADA4692-2ARZ is supplied in tube packaging for manual handling. ADA4692-2ARZ-R7 is supplied in Cut Tape (CT) & Digi-Reel® format. ADA4692-2ARZ-RL is supplied in Tape & Reel (TR) format for high-volume automated assembly. Select based on your assembly process requirements and volume.

Q3: Why does the MCP602T-E/SN show lower output current per channel (22 mA vs. 65 mA)?

A: The MCP602T-E/SN uses CMOS architecture, which inherently limits output current capability compared to the bipolar general purpose design of the MAX4274BEESA. This part is suitable only for applications requiring output currents below 22 mA per channel. For applications requiring the full 65 mA output current, use ADA4692 variants or LMV772 series instead.

Q4: Is the extended operating temperature range of ADA4692 (to 125°C) a concern for my application?

A: No. Extended operating temperature range is a superset capability. If your application operates within -40°C to 85°C, the ADA4692 will function identically to the original part across this range. The extended range to 125°C provides additional design margin and flexibility for future applications without introducing any compatibility issues.

Q5: Can I use LMV772MA/NOPB in place of MAX4274BEESA if my circuit requires very low input bias current?

A: Yes, if your application benefits from the lower input bias current (0.23 pA vs. 50 pA). The LMV772MA/NOPB maintains 8-SOIC package compatibility, rail-to-rail output, and dual-circuit configuration. Note that this part features differential output capability in addition to rail-to-rail operation, which does not affect standard single-ended applications. Verify that the 600 µA supply current per channel (vs. 330 µA original) is acceptable for your power budget.

Q6: What is the impact of RoHS compliance on my design?

A: All recommended substitutes are ROHS3 compliant, while the original MAX4274BEESA is RoHS non-compliant. If your design or manufacturing process requires RoHS compliance, any of the listed substitutes will satisfy this requirement. There are no electrical or functional impacts; RoHS compliance relates only to material composition (lead-free solder, restricted substances).

Q7: Are there any package dimension differences between the original and substitute parts?

A: All recommended substitutes use the 8-SOIC package with 0.154" width and 3.90mm body width, matching the original MAX4274BEESA. The only exception is BU7442 series (not recommended for general purpose applications), which uses 8-SOP with 0.173" width and 4.40mm body width. For direct PCB compatibility, use only parts specified as 8-SOIC (0.154", 3.90mm).

Q8: Which substitute offers the best overall performance improvement?

A: The ADA4692-2ARZ series provides the most balanced performance improvement with 1.3V/µs slew rate (1.86× faster), 3.6 MHz gain bandwidth product (1.8× higher), and significantly lower input bias current (0.5 pA vs. 50 pA). These improvements are achieved while maintaining lower supply current (180 µA vs. 330 µA) and are backed by manufacturer recommendation and active product status.

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