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MAX4275ADESA Equivalent & Substitute Parts
Part Overview
The MAX4275ADESA 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 through matching package type, circuit count, output configuration, and electrical performance within acceptable operating parameters.
Substiute Parts
Key Parameters
| Parameter | MAX4275ADESA | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| 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) | 355 | 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 |
| Mounting Type | Surface Mount | — |
| Product Status | Obsolete | — |
| RoHS Status | RoHS non-compliant | — |
Substitute Part Grouping Explanation
Substitution of the MAX4275ADESA requires matching the following critical parameters:
Primary Compatibility Criteria:
- Dual circuit configuration (2 circuits minimum)
- 8-SOIC package format (0.154" width, 3.90mm)
- Rail-to-rail output capability
- Surface mount technology
- Supply voltage range compatibility (minimum 2.5V, maximum 5.5V overlap)
Secondary Performance Criteria:
- Slew rate ≥ 0.7 V/µs
- Gain bandwidth product ≥ 2 MHz
- Input offset voltage ≤ 500 µV
- Output current per channel ≥ 65 mA
- Input bias current ≤ 50 pA
Substitute parts are grouped into two categories: Direct Replacements (ADA4692 series) offering enhanced performance with active product status and RoHS3 compliance, and Functional Alternatives (LMR358FJ-GE2, LMV772 series, MCP602T-E/SN) providing equivalent circuit functionality with varying performance trade-offs. Obsolete parts (CLC2011ISO8MTR) are included for reference but not recommended for new designs.
Parameter Comparison
| Parameter | MAX4275ADESA | 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 | — |
| 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) | — |
| 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 |
| Voltage - Input Offset | 500 | 500 | 500 | 500 | 100 | 250 | 250 | 700 | µV |
| Current - Input Bias | 50 | 0.5 | 0.5 | 0.5 | 15 | 0.23 | 0.23 | 1 | pA |
| Current - Supply (x2 Channels) | 355 | 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 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | °C |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | — |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | — |
Engineering Selection Recommendations
Tier 1 - Recommended Direct Replacements:
The ADA4692-2ARZ series (ADA4692-2ARZ, ADA4692-2ARZ-R7, ADA4692-2ARZ-RL) represents the manufacturer-recommended substitutes for MAX4275ADESA. All three variants share identical electrical specifications and differ only in packaging format (Tube, Cut Tape & Digi-Reel, and Tape & Reel respectively). These parts provide superior performance with 1.3 V/µs slew rate, 3.6 MHz gain bandwidth product, and significantly reduced input bias current (0.5 pA). All variants are ROHS3 compliant with active product status and extended operating temperature range (-40°C to 125°C). Selection among the three should be based on procurement and assembly requirements: ADA4692-2ARZ for tube packaging, ADA4692-2ARZ-R7 for cut tape format, and ADA4692-2ARZ-RL for tape and reel high-volume applications.
Tier 2 - Functional Alternatives:
LMR358FJ-GE2 (Rohm Semiconductor) and LMV772 series (Texas Instruments) provide active, RoHS3-compliant alternatives with comparable performance. LMR358FJ-GE2 offers 1 V/µs slew rate and 3 MHz bandwidth with lower input offset voltage (100 µV). LMV772MA/NOPB and LMV772MAX/NOPB deliver 1.4 V/µs slew rate, 3.5 MHz bandwidth, and superior input bias current (0.23 pA), with extended temperature range to 125°C. LMV772MAX/NOPB provides significantly higher inventory availability (22,113 pcs). MCP602T-E/SN (Microchip Technology) offers the highest slew rate (2.3 V/µs) and bandwidth (2.8 MHz) but with reduced output current per channel (22 mA versus 65 mA original specification).
Tier 3 - Legacy Reference:
CLC2011ISO8MTR (MaxLinear, Inc.) is classified as obsolete and is included for reference only. This voltage feedback amplifier provides higher slew rate (9 V/µs) and bandwidth (2.5 MHz) but is not recommended for new designs due to discontinued product status.
Compliance Considerations:
All recommended substitutes are ROHS3 compliant, addressing the non-compliant status of the original MAX4275ADESA. Supply voltage compatibility requires verification: ADA4692 series maximum supply is 5V (versus 5.5V original), while LMR358FJ-GE2, LMV772 series, and MCP602T-E/SN maintain or exceed the original 5.5V maximum rating.
Frequently Asked Questions (FAQ)
Q1: Can ADA4692-2ARZ directly replace MAX4275ADESA in existing designs?
A: The ADA4692-2ARZ series is the manufacturer-recommended substitute and maintains pin-compatible 8-SOIC packaging. However, the maximum supply voltage is reduced from 5.5V to 5V. Designs operating at or above 5V supply must be verified for compatibility. All other electrical parameters meet or exceed original specifications.
Q2: What is the difference between ADA4692-2ARZ, ADA4692-2ARZ-R7, and ADA4692-2ARZ-RL?
A: These three part numbers are electrically identical but differ in packaging format. ADA4692-2ARZ is supplied in Tube packaging for manual assembly. ADA4692-2ARZ-R7 is supplied in Cut Tape & Digi-Reel format for semi-automated pick-and-place equipment. ADA4692-2ARZ-RL is supplied in Tape & Reel format for high-volume automated assembly. Selection depends on manufacturing process and volume requirements.
Q3: Why is the output current per channel lower in some substitutes?
A: MCP602T-E/SN specifies 22 mA output current per channel compared to 65 mA in MAX4275ADESA. This reduction reflects different circuit topology and design optimization. Applications requiring the full 65 mA output current should select ADA4692 series (55 mA), LMR358FJ-GE2 (60 mA), or LMV772 series (75 mA).
Q4: Are all substitute parts RoHS compliant?
A: Yes. All recommended substitutes (ADA4692 series, LMR358FJ-GE2, LMV772 series, MCP602T-E/SN) are ROHS3 compliant. The original MAX4275ADESA is RoHS non-compliant, making substitution necessary for applications requiring RoHS certification.
Q5: What is the impact of extended operating temperature range?
A: ADA4692 series, LMV772 series, and MCP602T-E/SN extend the maximum operating temperature from 85°C to 125°C. This provides additional thermal margin for high-temperature applications. LMR358FJ-GE2 maintains the original 85°C maximum. Temperature range selection should match application requirements.
Q6: How do input bias current differences affect circuit design?
A: The original MAX4275ADESA specifies 50 pA input bias current. ADA4692 series reduces this to 0.5 pA, and LMV772 series further reduces it to 0.23 pA. Lower input bias current reduces input offset errors and improves precision in high-impedance circuits. Applications with input impedances exceeding 1 MΩ benefit from the lower bias current of ADA4692 or LMV772 series.
Q7: Can LMV772 series be used in applications requiring 65 mA output current?
A: LMV772 series specifies 75 mA output current per channel, exceeding the original 65 mA requirement. This makes LMV772 series suitable for applications requiring full output current capability. However, verify that the differential output configuration does not conflict with circuit requirements.
Q8: What inventory considerations apply to substitute selection?
A: ADA4692-2ARZ-R7 provides the highest inventory (4,616 pcs), followed by LMV772MAX/NOPB (22,113 pcs). For high-volume production, LMV772MAX/NOPB offers superior availability. For immediate requirements, verify current stock levels with suppliers, as inventory status changes over time.
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