MAX406ACSA Equivalent & Substitute Parts

Part Overview

The MAX406ACSA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated. It is a single-circuit, rail-to-rail output amplifier housed in an 8-SOIC surface mount package. The device is classified as obsolete, indicating discontinued production and limited availability in the market. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product maintenance and manufacturing requirements.

Substiute Parts

MAX406ACSA

Analog Devices Inc./Maxim IntegratedIn Stock: 12667MAX406ACSA Datasheet

Current PartRFQ

MAX406ACSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1021MAX406ACSA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX406ACSA is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Electrical Parameters (Must Match Exactly):

• Amplifier Type: General Purpose
• Number of Circuits: 1
• Output Type: Rail-to-Rail
• Slew Rate: 0.005 V/µs
• Gain Bandwidth Product: 8 kHz
• Current - Input Bias: 0.1 pA
• Voltage - Input Offset: 750 µV
• Current - Supply: 1 µA
• Current - Output / Channel: 600 µA
• Voltage - Supply Span: 2.5 V to 10 V
• Operating Temperature Range: 0°C to 70°C

Mechanical Parameters (Must Match Exactly):

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Supplier Device Package: 8-SOIC

The MAX406ACSA+ qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all parameters listed above.

Parameter Comparison

Engineering Selection Recommendations

The MAX406ACSA+ is a direct electrical and mechanical equivalent to the MAX406ACSA. Both parts share identical specifications across all functional parameters, electrical characteristics, and package dimensions.

Key Differentiation Factors:

Product Status: The MAX406ACSA is classified as obsolete with limited inventory (12,600 pcs). The MAX406ACSA+ is active production with ongoing availability (928 pcs in stock). For new designs and long-term supply assurance, the MAX406ACSA+ is the appropriate selection.

Compliance Status: The MAX406ACSA is RoHS non-compliant. The MAX406ACSA+ is ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components in most jurisdictions.

Packaging: The MAX406ACSA is supplied in standard packaging. The MAX406ACSA+ is supplied in tube packaging, which is standard for active production components.

Selection of the MAX406ACSA+ ensures compliance with current regulatory standards, access to active production inventory, and long-term design sustainability.

Frequently Asked Questions (FAQ)

Q: Can the MAX406ACSA+ be used as a direct replacement for the MAX406ACSA in existing designs?

A: Yes. The MAX406ACSA+ is electrically and mechanically identical to the MAX406ACSA. All electrical parameters, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current, supply voltage range, and operating temperature range are identical. The 8-SOIC package dimensions and surface mount configuration are identical. Direct substitution is supported without circuit modification.

Q: What is the difference between MAX406ACSA and MAX406ACSA+?

A: The primary differences are product status and compliance certification. The MAX406ACSA is obsolete production with RoHS non-compliant status. The MAX406ACSA+ is active production with ROHS3 compliance. Electrical and mechanical specifications are identical.

Q: Is the 8-SOIC package compatible with existing PCB layouts designed for the MAX406ACSA?

A: Yes. Both the MAX406ACSA and MAX406ACSA+ use the 8-SOIC package with identical dimensions (0.154" width, 3.90mm width). PCB footprints, land patterns, and assembly processes are directly compatible without modification.

Q: What is the inventory status of these parts?

A: The MAX406ACSA has 12,600 pcs in stock but is obsolete. The MAX406ACSA+ has 928 pcs in stock and is active production, ensuring continued availability for future orders.

Q: Does the MAX406ACSA+ meet current environmental regulations?

A: Yes. The MAX406ACSA+ is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The MAX406ACSA is RoHS non-compliant and may not meet requirements for new designs or regulated applications.

Q: Are there any performance differences between the two parts?

A: No. All electrical performance parameters are identical: slew rate (0.005 V/µs), gain bandwidth product (8 kHz), input bias current (0.1 pA), input offset voltage (750 µV), supply current (1 µA), output current (600 µA), and supply voltage range (2.5 V to 10 V).