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MAX4274AKESA Equivalent & Substitute Parts
Part Overview
The MAX4274AKESA 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 is classified as obsolete and operates with rail-to-rail output capability across a 2.5V to 5.5V supply range. Due to its obsolete product status, equivalent and substitute parts are necessary for new designs, production continuity, and long-term component availability assurance.
Substiute Parts
Key Parameters
| Parameter | Value | 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 |
| Voltage - Input Offset | 500 | µV |
| Current - Input Bias | 50 | pA |
| 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 | — |
Substitute Part Grouping Explanation
Substitution of the MAX4274AKESA is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Dual-circuit (2 circuits) general purpose operational amplifier configuration
- 8-SOIC surface mount package with 0.154" (3.90mm) width
- Rail-to-rail output capability
- Supply voltage range compatibility: minimum 2.5V, maximum 5.5V
- Operating temperature range: -40°C to 85°C minimum
- Input offset voltage: 500 µV maximum
- Slew rate: 0.7 V/µs minimum
- Gain bandwidth product: 2 MHz minimum
Secondary Compatibility Parameters:
- Current supply per channel: 330 µA maximum (design dependent)
- Output current per channel: 65 mA minimum
- Input bias current: 50 pA maximum
Substitute parts are grouped into two categories: Direct Equivalents (Analog Devices ADA4692 series) and Functional Alternatives (parts meeting primary criteria with enhanced or alternative specifications).
Parameter Comparison
| Parameter | MAX4274AKESA | ADA4692-2ARZ | ADA4692-2ARZ-R7 | ADA4692-2ARZ-RL | LMV358IDT | LMV772MA/NOPB | LMR358FJ-GE2 |
|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| 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 | Differential, Rail-to-Rail | Rail-to-Rail |
| Slew Rate (V/µs) | 0.7 | 1.3 | 1.3 | 1.3 | 0.45 | 1.4 | 1 |
| Gain Bandwidth Product (MHz) | 2 | 3.6 | 3.6 | 3.6 | 1.3 | 3.5 | 3 |
| Voltage - Input Offset (µV) | 500 | 500 | 500 | 500 | 100 | 250 | 100 |
| Current - Input Bias (pA) | 50 | 0.5 | 0.5 | 0.5 | 16 | 0.23 | 15 |
| Current - Supply (µA) | 330 | 180 | 180 | 180 | 162 | 600 | 210 |
| Current - Output / Channel (mA) | 65 | 55 | 55 | 55 | 160 | 75 | 60 |
| Voltage - Supply Span Min (V) | 2.5 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
| Voltage - Supply Span Max (V) | 5.5 | 5 | 5 | 5 | 6 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 |
| 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) |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Tier 1 - Manufacturer Recommended Substitutes (Analog Devices ADA4692 Series):
The ADA4692-2ARZ, ADA4692-2ARZ-R7, and ADA4692-2ARZ-RL represent the manufacturer-recommended direct substitutes for the MAX4274AKESA. All three variants share identical electrical specifications and differ only in packaging format (Tube, Cut Tape & Digi-Reel, and Tape & Reel respectively). These parts exceed the minimum electrical requirements of the original device while maintaining 8-SOIC package compatibility. All ADA4692 variants are ROHS3 compliant and carry active product status, ensuring long-term availability and supply chain stability. The extended operating temperature range (-40°C to 125°C) provides additional thermal margin compared to the original specification.
Tier 2 - Active General Purpose Alternatives:
The LMV358IDT (STMicroelectronics), LMV772MA/NOPB and LMV772MAX/NOPB (Texas Instruments), and LMR358FJ-GE2 (Rohm Semiconductor) are functionally compatible alternatives. All maintain the dual-circuit general purpose configuration, rail-to-rail output, and 8-SOIC package format. These parts are ROHS3 compliant and carry active product status. The LMV358IDT provides the highest output current capability (160 mA per channel) and extended supply voltage range (up to 6V). The LMV772 series offers superior input bias current performance (0.23 pA) and differential output capability. The LMR358FJ-GE2 maintains the original operating temperature range (-40°C to 85°C) while providing enhanced slew rate and bandwidth performance.
Compliance Considerations:
The MAX4274AKESA is RoHS non-compliant. All recommended substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements for new designs and production applications. All substitute parts carry REACH Unaffected status and EAR99 ECCN classification, matching the regulatory profile of the original device.
Frequently Asked Questions (FAQ)
Q: Can the ADA4692-2ARZ directly replace the MAX4274AKESA in existing designs?
A: Yes. The ADA4692-2ARZ maintains electrical and mechanical compatibility with the MAX4274AKESA. Both devices feature dual general purpose operational amplifiers in 8-SOIC packages with rail-to-rail output and identical pin configurations. The ADA4692-2ARZ exceeds the minimum electrical specifications of the original part, including higher slew rate (1.3 V/µs vs. 0.7 V/µs) and gain bandwidth product (3.6 MHz vs. 2 MHz). No circuit modifications are required for direct substitution.
Q: 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. ADA4692-2ARZ-R7 is supplied in Cut Tape & Digi-Reel format. ADA4692-2ARZ-RL is supplied in Tape & Reel format. Selection depends on manufacturing process requirements and component handling systems. All three variants are electrically and mechanically interchangeable.
Q: Why does the LMV358IDT have lower slew rate and gain bandwidth product than the MAX4274AKESA?
A: The LMV358IDT is optimized for low-power, general purpose applications with reduced supply current (162 µA vs. 330 µA). This design trade-off results in lower slew rate (0.45 V/µs) and gain bandwidth product (1.3 MHz). However, the LMV358IDT provides superior output current capability (160 mA per channel vs. 65 mA) and extended supply voltage range (up to 6V). Selection between these parts depends on specific application requirements for speed versus output drive capability.
Q: Are all substitute parts RoHS compliant?
A: Yes. All recommended substitute parts carry ROHS3 compliance certification. The original MAX4274AKESA is RoHS non-compliant. For new designs and production applications subject to RoHS requirements, any of the recommended substitute parts satisfy regulatory compliance requirements.
Q: Can the LMV772MA/NOPB be used as a substitute despite its differential output specification?
A: Yes. The LMV772MA/NOPB features differential, rail-to-rail output capability, which is a superset of the single-ended rail-to-rail output of the MAX4274AKESA. The differential output can be configured for single-ended operation in existing circuit designs. All other electrical and mechanical parameters meet or exceed the original specification. The extended operating temperature range (-40°C to 125°C) and superior input bias current performance (0.23 pA) provide additional design margin.
Q: What is the impact of the reduced maximum supply voltage in ADA4692 parts (5V vs. 5.5V)?
A: The ADA4692 series maximum supply voltage is 5V, compared to 5.5V for the MAX4274AKESA. For applications operating at or near 5.5V supply, this represents a 0.5V reduction in maximum operating headroom. For standard 5V supply applications, this difference is not significant. Circuit designs requiring operation above 5V should select alternative parts such as the LMV358IDT (6V maximum) or LMV772 series (5.5V maximum).
Q: Is the 8-SOIC package format identical across all substitute parts?
A: All substitute parts use 8-SOIC surface mount packages with 0.154" (3.90mm) width, matching the original MAX4274AKESA package footprint. However, the BU7442 series uses 8-SOP format with 0.173" (4.40mm) width, which is not pin-compatible. For direct PCB compatibility without layout modifications, select only parts specified as 8-SOIC (0.154", 3.90mm).
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