MAX4372HESA+ Equivalent & Substitute Parts Reference

Part Overview

The MAX4372HESA+ is an active current sense amplifier manufactured by Analog Devices Inc./Maxim Integrated. This linear amplifier integrates one sensing circuit in an 8-SOIC surface mount package and is designed for precision current measurement applications across industrial, automotive, and power management systems. The device operates across a wide supply voltage range of 2.7 V to 28 V with low input offset voltage and minimal supply current consumption. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, ensuring long-term availability and environmental regulatory adherence. Identifying equivalent and substitute parts is essential for supply chain continuity, design flexibility, and procurement optimization when the primary part number becomes unavailable or when alternative sourcing is required.

Substiute Parts

MAX4372HESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 3001MAX4372HESA+ Datasheet

Current PartRFQ

MAX4372HESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 3001MAX4372HESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4372HESA+ is determined by strict alignment across the following critical parameters:

Functional Classification: The substitute part must be classified as a Current Sense Amplifier with a single integrated sensing circuit (1 circuit configuration).

Electrical Performance Boundaries: The substitute must operate within the specified supply voltage range of 2.7 V to 28 V. Input bias current must not exceed 2 µA. Input offset voltage must not exceed 300 µV. Supply current consumption must not exceed 30 µA. The -3dB bandwidth must be 110 kHz or greater to maintain signal fidelity in the target application frequency range.

Thermal and Environmental Compliance: The substitute must support the operating temperature range of -40°C to 85°C. The part must maintain RoHS3 compliance and carry an MSL rating of 1 (Unlimited) to ensure compatibility with standard manufacturing and storage protocols.

Mechanical and Packaging Compatibility: The substitute must be packaged in an 8-SOIC form factor with identical pin configuration and footprint dimensions (0.154" width, 3.90mm). Surface mount mounting type is required for PCB assembly compatibility.

Regulatory and Supply Chain Status: The substitute must carry Active product status to ensure ongoing manufacturer support, availability, and technical documentation. REACH compliance status must be maintained.

Based on the provided input parameters, the MAX4372HESA+ is identified as both the primary part number and the direct substitute, indicating no alternative part numbers are currently specified in the substitute list.

Parameter Comparison

Engineering Selection Recommendations

The MAX4372HESA+ maintains Active product status with full RoHS3 compliance and REACH unaffected regulatory standing. These certifications confirm ongoing manufacturer support and environmental regulatory adherence for new designs and production deployments.

The part carries an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage, handling, or manufacturing processes. This classification simplifies supply chain logistics and reduces risk of moisture-induced failures.

The 8-SOIC surface mount package provides standard PCB assembly compatibility with automated pick-and-place equipment and reflow soldering processes. The 0.154" package width accommodates standard PCB design rules and component spacing requirements.

The specified electrical parameters—2.7 V to 28 V supply range, 2 µA input bias current, 300 µV input offset voltage, and 30 µA supply current—define the operational envelope for current sensing applications. These parameters remain constant across all identified equivalent parts.

Selection of substitute parts must be based strictly on matching all parameters listed in the Key Parameters table. No deviations from specified electrical, thermal, or packaging characteristics are permitted without formal design review and validation.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the MAX4372HESA+?

A: A valid substitute must match all parameters specified in the Key Parameters table, including amplifier type (Current Sense), circuit count (1), bandwidth (110 kHz), input bias current (2 µA maximum), input offset voltage (300 µV maximum), supply current (30 µA maximum), supply voltage range (2.7 V to 28 V), operating temperature (-40°C to 85°C), package type (8-SOIC), and compliance certifications (RoHS3, MSL 1).

Q: Can the MAX4372HESA+ be used in applications requiring different supply voltage ranges?

A: No. The part is specified for operation between 2.7 V and 28 V. Applications requiring different supply voltage ranges require alternative part selection based on the specific voltage requirements.

Q: Is the 8-SOIC package footprint interchangeable with other package types?

A: No. The 8-SOIC package with 0.154" width and 3.90mm dimensions is specific to this part. PCB designs must accommodate this exact package geometry. Alternative packages require design modification and re-layout.

Q: What is the significance of the MSL 1 (Unlimited) rating?

A: MSL 1 indicates the part has no moisture sensitivity restrictions. Standard storage and handling procedures are sufficient. No special dry-pack storage, baking, or moisture barrier requirements apply.

Q: Does the MAX4372HESA+ require design validation when substituting for another current sense amplifier?

A: Substitution is valid only when the alternative part matches all specified parameters. Even with parameter matching, system-level validation is the responsibility of the design engineer to confirm performance in the specific application circuit.

Q: What is the inventory status of the MAX4372HESA+?

A: Current inventory is 2968 pieces in new original condition. Inventory levels are subject to change based on demand and supply conditions.

Q: Are there any temperature derating considerations for the MAX4372HESA+?

A: The part is specified for operation across -40°C to 85°C. Performance characteristics within this range are defined by the manufacturer datasheet. Operation outside this range is not supported.