MAX409BESA Equivalent & Substitute Parts

Part Overview

The MAX409BESA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for rail-to-rail output applications in 8-SOIC surface mount packaging. This device is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing production and maintenance applications. The MAX409BESA operates across a supply voltage range of 2.5V to 10V with low input bias current and moderate bandwidth characteristics suitable for general signal conditioning and amplification circuits.

Substiute Parts

MAX409BESA

Analog Devices Inc./Maxim IntegratedIn Stock: 2121MAX409BESA Datasheet

Current PartRFQ

MAX409BESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 795MAX409BESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX409BESA is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Amplifier type (general purpose), number of circuits (1), output type (rail-to-rail), slew rate (0.08 V/µs), gain bandwidth product (150 kHz), input bias current (0.1 pA), input offset voltage (750 µV), supply current (1 µA), output current per channel (600 µA), and supply voltage range (2.5V to 10V).

Mechanical Specifications: Package type (8-SOIC with 0.154" width / 3.90mm), mounting type (surface mount), and operating temperature range (-40°C to 85°C).

Compliance and Status: RoHS compliance status, REACH status, and product lifecycle status are secondary selection criteria that do not affect electrical or mechanical compatibility but influence procurement and regulatory compliance decisions.

The MAX409BESA+ is identified as a direct substitute based on identical electrical and mechanical parameters across all specified criteria.

Parameter Comparison

Engineering Selection Recommendations

The MAX409BESA+ is a direct electrical and mechanical equivalent to the MAX409BESA. All specified electrical parameters, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current, and supply voltage range, are identical. The package type, case dimensions, and mounting specifications are identical, enabling direct board-level substitution without circuit redesign or PCB layout modification.

The primary distinction between the main part and substitute is product lifecycle status and regulatory compliance. The MAX409BESA is classified as obsolete, while the MAX409BESA+ maintains active product status. Additionally, the MAX409BESA+ is ROHS3 compliant, whereas the main part is RoHS non-compliant. Both parts maintain REACH Unaffected status.

For new designs and ongoing production requiring compliance with current environmental regulations, the MAX409BESA+ is the appropriate selection. For legacy system maintenance where RoHS compliance is not a requirement, either part is functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can the MAX409BESA+ be used as a direct replacement for the MAX409BESA in existing circuits?

A: Yes. The MAX409BESA+ is electrically and mechanically identical to the MAX409BESA across all specified parameters. No circuit modifications, component value changes, or PCB layout alterations are required for substitution.

Q: What is the difference between MAX409BESA and MAX409BESA+?

A: The electrical and mechanical specifications are identical. The primary differences are product status (obsolete versus active) and RoHS compliance (non-compliant versus ROHS3 compliant). The "+" designation indicates the active, compliant variant.

Q: Are the packages physically identical?

A: Yes. Both parts use 8-SOIC surface mount packaging with identical case dimensions (0.154" width / 3.90mm). Pin count, spacing, and footprint are identical, enabling direct PCB substitution.

Q: What is the operating temperature range for both parts?

A: Both the MAX409BESA and MAX409BESA+ operate across -40°C to 85°C, making them suitable for industrial and commercial temperature environments.

Q: Does the MAX409BESA+ meet current environmental compliance standards?

A: Yes. The MAX409BESA+ is ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic components in most jurisdictions.

Q: What is the supply voltage range for these amplifiers?

A: Both parts operate across a supply voltage range of 2.5V to 10V, supporting single-supply and dual-supply configurations within this range.