MAX4375HEUB Equivalent & Substitute Parts

Part Overview

The MAX4375HEUB is a linear amplifier, comparator, and reference IC manufactured by Analog Devices Inc./Maxim Integrated, designed for current sensing and power management applications. This device integrates multiple functional blocks in a compact 10-uMAX/uSOP surface mount package.

The MAX4375HEUB carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this component.

Substiute Parts

MAX4375HEUB

Analog Devices Inc./Maxim IntegratedIn Stock: 2995MAX4375HEUB Datasheet

Current PartRFQ

MAX4375HEUB+

Analog Devices Inc./Maxim IntegratedIn Stock: 2025MAX4375HEUB+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4375HEUB is determined by the following critical parameters:

Functional Equivalence: Both the main part and substitute must share the same base product number (MAX4375) and identical functional classification (Amplifier, Comparator, Reference IC).

Package Compatibility: The substitute must utilize the same package designation (10-TFSOP, 10-MSOP) and supplier device package (10-uMAX/uSOP) to ensure mechanical and electrical compatibility with existing PCB layouts and assembly processes.

Application Alignment: The substitute must support the same application domains: current sensing and power management.

Moisture Sensitivity: Both parts must maintain the same MSL rating (MSL 1 - Unlimited) to ensure equivalent handling and storage requirements.

Regulatory Compliance: Trade classification (ECCN and HTSUS codes) must remain consistent across substitutes.

The MAX4375HEUB+ qualifies as a direct substitute based on these criteria.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: MAX4375HEUB+ is the appropriate substitute for the obsolete MAX4375HEUB.

Justification:

The MAX4375HEUB+ maintains identical electrical and mechanical specifications across all critical parameters: package type, pin configuration, functional classification, and application domains. Both devices are manufactured by the same supplier and carry equivalent regulatory classifications.

The MAX4375HEUB+ carries an active product status, ensuring ongoing availability and supply chain support. This addresses the primary limitation of the obsolete MAX4375HEUB.

The MAX4375HEUB+ achieves ROHS3 compliance, whereas the MAX4375HEUB is RoHS non-compliant. This distinction is significant for applications subject to RoHS regulations and environmental compliance requirements.

Both parts maintain MSL 1 rating, indicating identical moisture sensitivity handling requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX4375HEUB+ be used as a direct replacement for MAX4375HEUB in existing designs?

A: Yes. The MAX4375HEUB+ is electrically and mechanically equivalent to the MAX4375HEUB. Both devices share identical package specifications (10-TFSOP, 10-MSOP), pin configurations, and functional classifications. No design modifications are required for substitution.

Q: What is the primary difference between MAX4375HEUB and MAX4375HEUB+?

A: The MAX4375HEUB+ is the active production variant with ROHS3 compliance, while the MAX4375HEUB is obsolete and RoHS non-compliant. The MAX4375HEUB+ is supplied in tube packaging format.

Q: Are there any moisture sensitivity differences between these parts?

A: No. Both the MAX4375HEUB and MAX4375HEUB+ carry identical MSL 1 (Unlimited) ratings, requiring the same handling, storage, and reflow procedures.

Q: Does the packaging format difference (tube vs. unspecified) affect electrical performance?

A: No. Packaging format affects only logistics, handling, and storage procedures. Electrical and mechanical specifications remain identical regardless of packaging format.

Q: Are both parts subject to the same regulatory classifications?

A: Yes. Both the MAX4375HEUB and MAX4375HEUB+ carry identical ECCN (EAR99) and HTSUS (8542.33.0001) classifications, ensuring equivalent regulatory treatment.

Q: Why is the MAX4375HEUB marked as obsolete?

A: The MAX4375HEUB has been superseded by the MAX4375HEUB+, which offers improved compliance status (ROHS3) and active production support. The obsolete designation indicates that the original variant is no longer manufactured or actively supported.