MAX412CSA-T Equivalent & Substitute Parts

Part Overview

The MAX412CSA-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 component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The MAX412CSA-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

MAX412CSA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 923MAX412CSA-T Datasheet

Current PartRFQ

MAX412CSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1353MAX412CSA+T Datasheet

DirectRFQ

AD8002ARZ-R7

Analog Devices Inc.In Stock: 4235AD8002ARZ-R7 Datasheet

MFR RecommendedRFQ

AD8058ARZ-REEL7

Analog Devices Inc.In Stock: 2210AD8058ARZ-REEL7 Datasheet

MFR RecommendedRFQ

AD8072JRZ-REEL7

Analog Devices Inc.In Stock: 3502AD8072JRZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX412CSA-T is determined by the following critical parameters: package compatibility (8-SOIC surface mount), dual-channel configuration (2 circuits), supply voltage range overlap, and functional amplifier classification. The substitute parts identified fall into distinct amplifier topology categories while maintaining mechanical and electrical interface compatibility.

Direct Packaging Equivalent: MAX412CSA+T represents an active production variant of the base MAX412 design, differing only in packaging format (Tape & Reel versus individual packaging). This part maintains identical electrical specifications and serves as the primary direct substitute.

Topology-Based Substitutes: The remaining substitute parts (AD8002ARZ-R7, AD8058ARZ-REEL7, AD8072JRZ-REEL7) represent alternative amplifier topologies (Current Feedback and Voltage Feedback architectures) that occupy the same 8-SOIC package footprint and dual-channel configuration. These substitutes are selected based on parameter compatibility within their respective amplifier classes and do not require circuit redesign for mechanical integration.

Parameter Comparison

Engineering Selection Recommendations

MAX412CSA+T (Direct Substitute): This part is the recommended primary substitute for the obsolete MAX412CSA-T. It maintains identical electrical specifications, dual-channel configuration, and 8-SOIC package footprint. The only distinction is packaging format (Tape & Reel). Product status is Active, ensuring long-term availability and supply chain continuity. RoHS3 compliance and MSL Level 1 rating match the original specification. This substitute requires no circuit modifications and provides direct pin-for-pin compatibility.

AD8002ARZ-R7 (Current Feedback Topology): This substitute is suitable for applications requiring significantly higher bandwidth (600 MHz) and slew rate (1200V/µs) performance. The current feedback architecture and higher output current capability (70 mA) accommodate high-speed signal processing requirements. Supply voltage range (6V to 12V minimum) overlaps with the MAX412CSA-T operating window. Product status is Active with extended operating temperature range (-40°C to 85°C). Circuit topology change from general purpose to current feedback requires design verification for stability and frequency compensation.

AD8058ARZ-REEL7 (Voltage Feedback Topology): This substitute offers voltage feedback architecture with 325 MHz bandwidth and 1150V/µs slew rate, positioned between general purpose and high-speed performance levels. The extended supply voltage range (3V to 12V minimum) provides greater flexibility for low-voltage applications. Product status is Active with extended operating temperature range. Voltage feedback topology requires circuit redesign considerations for compensation networks compared to the original general purpose amplifier.

AD8072JRZ-REEL7 (Video Amplifier): This substitute is classified as Last Time Buy, indicating limited future availability. Current feedback topology with 100 MHz bandwidth and 500V/µs slew rate provides moderate performance enhancement. Supply voltage configuration supports both single supply (5V to 12V) and dual supply (±2.5V to ±6V) operation. This substitute is suitable only for applications where long-term component availability is not a critical requirement.

Frequently Asked Questions (FAQ)

Q: Can MAX412CSA+T be used as a direct replacement for MAX412CSA-T without circuit modifications?

A: Yes. MAX412CSA+T is electrically and functionally identical to MAX412CSA-T. The difference is packaging format only (Tape & Reel versus individual packaging). No circuit modifications are required. Pin configuration, electrical specifications, and performance characteristics are identical.

Q: What is the primary reason to substitute the MAX412CSA-T?

A: The MAX412CSA-T is classified as obsolete. MAX412CSA+T is the active production equivalent that ensures continued supply chain access and long-term component availability.

Q: Can AD8002ARZ-R7, AD8058ARZ-REEL7, or AD8072JRZ-REEL7 be used as direct pin-for-pin replacements?

A: These parts are mechanically compatible (8-SOIC package, dual-channel, surface mount) but represent different amplifier topologies. While they occupy the same package footprint and pin count, circuit design modifications are required to accommodate the different amplifier architectures, frequency compensation requirements, and performance characteristics. Direct pin-for-pin substitution without circuit analysis is not recommended.

Q: What are the key differences between general purpose, voltage feedback, and current feedback amplifier topologies?

A: General purpose amplifiers (MAX412CSA-T) are optimized for moderate bandwidth and low power consumption with simple compensation networks. Voltage feedback amplifiers (AD8058ARZ-REEL7) provide higher bandwidth with conventional feedback topology. Current feedback amplifiers (AD8002ARZ-R7, AD8072JRZ-REEL7) deliver very high slew rates and bandwidth but require different compensation approaches and are sensitive to feedback network impedance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (MAX412CSA+T, AD8002ARZ-R7, AD8058ARZ-REEL7, AD8072JRZ-REEL7) are RoHS3 compliant with MSL Level 1 rating, matching the original MAX412CSA-T compliance status.

Q: What is the difference between MAX412CSA+T and MAX412CSA-T packaging?

A: MAX412CSA-T is supplied in individual packaging format. MAX412CSA+T is supplied in Tape & Reel (TR) format for automated assembly processes. Electrical specifications and performance are identical.

Q: Which substitute part has the longest operating temperature range?

A: AD8002ARZ-R7 and AD8058ARZ-REEL7 both operate across -40°C to 85°C, compared to the MAX412CSA-T range of 0°C to 70°C. This extended range provides greater flexibility for industrial and automotive applications.

Q: Is AD8072JRZ-REEL7 recommended for new designs?

A: AD8072JRZ-REEL7 is classified as Last Time Buy, indicating limited future production and availability. This part is suitable only for legacy design support or applications where component availability constraints are acceptable. For new designs, MAX412CSA+T, AD8002ARZ-R7, or AD8058ARZ-REEL7 are preferred due to Active product status.

Q: What supply voltage ranges are supported by each substitute?

A: MAX412CSA-T and MAX412CSA+T support 4.8V to 10.5V. AD8002ARZ-R7 supports 6V to 12V. AD8058ARZ-REEL7 supports 3V to 12V (wider range). AD8072JRZ-REEL7 supports 5V to 12V (single supply) or ±2.5V to ±6V (dual supply).