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MAX412ESA-T Equivalent & Substitute Parts Reference
Part Overview
The MAX412ESA-T is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This part is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. The MAX412ESA-T operates across a supply voltage range of 4.8V to 10.5V with a slew rate of 4.5V/µs and gain bandwidth product of 28 MHz, making it suitable for general purpose amplification applications requiring moderate bandwidth and low input bias current characteristics.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Slew Rate | 4.5 | V/µs |
| Gain Bandwidth Product | 28 | MHz |
| Current - Input Bias | 80 | nA |
| Voltage - Input Offset | 120 | µV |
| Current - Supply (per Channel) | 2.5 | mA |
| Current - Output / Channel | 35 | mA |
| Voltage - Supply Span (Min) | 4.8 | V |
| Voltage - Supply Span (Max) | 10.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MAX412ESA-T is determined by compatibility across the following critical parameters: package type (8-SOIC surface mount), number of circuits (dual-channel configuration), operating temperature range (-40°C to 85°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99). The substitute parts identified fall into three functional categories based on amplifier topology:
Category 1: Direct Package & Packaging Variant MAX412ESA+T represents an active product variant of the same base device (MAX412) with identical electrical specifications but supplied in Tape & Reel packaging instead of tube packaging. This substitution is direct with no performance trade-offs.
Category 2: Current Feedback Amplifiers AD8002ARZ and AD8002ARZ-R7 are current feedback topology amplifiers with significantly higher slew rate (1200V/µs) and bandwidth (600 MHz) compared to the general purpose MAX412ESA-T. These devices maintain the 8-SOIC package, dual-channel configuration, and operating temperature range. Current feedback topology introduces different input impedance and feedback network requirements compared to voltage feedback designs.
Category 3: Voltage Feedback & Video Amplifiers AD8058ARZ-REEL7 is a voltage feedback amplifier with 1150V/µs slew rate and 325 MHz bandwidth. AD8072JRZ-REEL7 is a video amplifier with current feedback topology, 500V/µs slew rate, and 100 MHz bandwidth. Both maintain 8-SOIC packaging and dual-channel configuration but with different supply voltage requirements and performance characteristics.
All substitute parts share the 8-SOIC package footprint, surface mount mounting type, dual-channel configuration, ROHS3 compliance, MSL Level 1, and -40°C to 85°C operating temperature range.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | Bandwidth (MHz) | Input Bias (nA) | Input Offset (µV) | Supply Current (mA) | Output Current (mA) | Supply Voltage Min (V) | Supply Voltage Max (V) | Package | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MAX412ESA-T | Analog Devices/Maxim | General Purpose | 4.5 | 28 | 80 | 120 | 2.5 | 35 | 4.8 | 10.5 | 8-SOIC | Obsolete |
| MAX412ESA+T | Analog Devices/Maxim | General Purpose | 4.5 | 28 | 80 | 120 | 2.5 | 35 | 4.8 | 10.5 | 8-SOIC | Active |
| AD8002ARZ | Analog Devices | Current Feedback | 1200 | 600 | 5000 | 2000 | 10 | 70 | 6 | 12 | 8-SOIC | Active |
| AD8002ARZ-R7 | Analog Devices | Current Feedback | 1200 | 600 | 5000 | 2000 | 10 | 70 | 6 | 12 | 8-SOIC | Active |
| AD8058ARZ-REEL7 | Analog Devices | Voltage Feedback | 1150 | 325 | 500 | 1000 | 14 | — | 3 | 12 | 8-SOIC | Active |
| AD8072JRZ-REEL7 | Analog Devices | Current Feedback | 500 | 100 | — | — | 3.5 | 30 | ±2.5 | ±6 | 8-SOIC | Last Time Buy |
Engineering Selection Recommendations
For Direct Replacement (No Design Changes Required): MAX412ESA+T is the recommended substitute when procurement of the obsolete MAX412ESA-T is no longer feasible. This part maintains identical electrical specifications and operates under the same design parameters. The only difference is packaging format (Tape & Reel versus tube), which affects handling and assembly processes but not circuit performance. This part is in active production status with higher inventory availability (3883 pcs vs. 1098 pcs).
For Performance Enhancement Applications: AD8002ARZ and AD8002ARZ-R7 are suitable when circuit design can accommodate higher slew rate (1200V/µs vs. 4.5V/µs) and bandwidth (600 MHz vs. 28 MHz) requirements. These current feedback amplifiers require different feedback network design compared to the voltage feedback MAX412ESA-T. Minimum supply voltage requirement increases from 4.8V to 6V. These parts are in active production status.
For Moderate Bandwidth Applications: AD8058ARZ-REEL7 provides intermediate performance with 1150V/µs slew rate and 325 MHz bandwidth using voltage feedback topology, maintaining design compatibility closer to the original MAX412ESA-T architecture. This part supports lower minimum supply voltage (3V) and is in active production status.
For Legacy Video Applications: AD8072JRZ-REEL7 is designated as Last Time Buy status and should be avoided for new designs. This part is included for reference only in applications where it was previously qualified.
All recommended substitutes maintain ROHS3 compliance, MSL Level 1 rating, and -40°C to 85°C operating temperature range, ensuring regulatory and environmental compatibility with the original MAX412ESA-T specification.
Frequently Asked Questions (FAQ)
Q: Can MAX412ESA+T be used as a direct drop-in replacement for MAX412ESA-T?
A: Yes. MAX412ESA+T is electrically identical to MAX412ESA-T with all specifications matching exactly. The difference is packaging format: MAX412ESA+T is supplied in Tape & Reel (TR) format while MAX412ESA-T is supplied in tube packaging. Both use the same 8-SOIC package footprint and are compatible with identical PCB layouts. MAX412ESA+T is in active production status with higher inventory availability.
Q: What are the key differences between the MAX412ESA-T and AD8002ARZ?
A: Both are dual-channel amplifiers in 8-SOIC packages, but they differ significantly in topology and performance. MAX412ESA-T is a general purpose voltage feedback amplifier with 4.5V/µs slew rate and 28 MHz bandwidth. AD8002ARZ is a current feedback amplifier with 1200V/µs slew rate and 600 MHz bandwidth. Current feedback topology requires different feedback network design and has higher input bias current (5 µA vs. 80 nA). Minimum supply voltage for AD8002ARZ is 6V compared to 4.8V for MAX412ESA-T. These differences require circuit redesign and are not suitable for direct substitution without application analysis.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed (MAX412ESA+T, AD8002ARZ, AD8002ARZ-R7, AD8058ARZ-REEL7, and AD8072JRZ-REEL7) are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating. All are REACH Unaffected and classified as EAR99 for export control purposes.
Q: What is the operating temperature range for all substitute parts?
A: The MAX412ESA-T and all recommended substitutes (MAX412ESA+T, AD8002ARZ, AD8002ARZ-R7, AD8058ARZ-REEL7) operate across -40°C to 85°C. AD8072JRZ-REEL7 also supports this temperature range. This consistency ensures thermal performance compatibility across all options.
Q: Can AD8058ARZ-REEL7 replace MAX412ESA-T in existing designs?
A: AD8058ARZ-REEL7 uses voltage feedback topology like MAX412ESA-T, making it more compatible than current feedback alternatives. However, it has significantly higher slew rate (1150V/µs vs. 4.5V/µs), higher bandwidth (325 MHz vs. 28 MHz), and higher supply current (14 mA vs. 2.5 mA per channel). The lower minimum supply voltage (3V vs. 4.8V) is an advantage. Circuit redesign is required to accommodate these performance differences. This part is in active production status.
Q: Why is AD8072JRZ-REEL7 listed if it is Last Time Buy status?
A: AD8072JRZ-REEL7 is included for reference in applications where it was previously qualified or is currently in use. Last Time Buy status indicates this part will be discontinued and should not be selected for new designs. Existing designs using this part should transition to alternative solutions.
Q: What packaging formats are available for substitute parts?
A: MAX412ESA+T is supplied in Tape & Reel (TR) format. AD8002ARZ is supplied in Tube. AD8002ARZ-R7 is supplied in Tape & Reel (TR). AD8058ARZ-REEL7 is supplied in Cut Tape (CT) & Digi-Reel. AD8072JRZ-REEL7 is supplied in Tape & Reel (TR). All use the same 8-SOIC (0.154", 3.90mm Width) package footprint compatible with MAX412ESA-T PCB layouts.
Q: Are there supply voltage compatibility issues when substituting?
A: Yes. MAX412ESA-T operates from 4.8V to 10.5V. MAX412ESA+T has identical range (4.8V to 10.5V). AD8002ARZ and AD8002ARZ-R7 require 6V to 12V minimum. AD8058ARZ-REEL7 operates from 3V to 12V. AD8072JRZ-REEL7 supports ±2.5V to ±6V or 5V to 12V single supply. Designs operating below 6V cannot use AD8002 variants without circuit modification. Designs requiring 4.8V minimum supply should use MAX412ESA+T or AD8058ARZ-REEL7.
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