NJM4559M Equivalent & Substitute Parts Reference

Part Overview

The NJM4559M is a general purpose operational amplifier IC featuring two amplifier circuits in an 8-DMP surface mount package. Designed for applications requiring moderate slew rate and gain bandwidth, it operates over a wide supply voltage range and supports industry-standard package dimensions. The NJM4559M is currently classified as obsolete, making it necessary to identify suitable substitute parts for uninterrupted system maintenance and new design continuity within the linear amplifier category.

Substiute Parts

NJM4559M

Nisshinbo Micro Devices Inc.In Stock: 1623NJM4559M Datasheet

Current PartRFQ

NJM14558M#

Nisshinbo Micro Devices Inc.In Stock: 1109NJM14558M# Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NJM4559M are designated based on strict compliance with essential electrical and mechanical parameters. The grouping logic considers category, amplifier type, circuit count, mounting package dimensions, supply voltage range, electrical behavior (slew rate, gain bandwidth product, input bias current, input offset voltage, supply current), operating temperature, regulatory compliance (RoHS, REACH), and trade classifications (ECCN, HTSUS).

Key substitution parameters:

• Category and Amplifier Type
• Number of Circuits
• Package / Case and Supplier Device Package
• Electrical performance: Slew Rate, GBW Product, Input Bias Current, Input Offset Voltage, Supply Current, Supply Voltage Range
• Operating Temperature Range
• Mounting Type
• RoHS/REACH Status
• MSL
• ECCN and HTSUS codes

Parameter Comparison

Engineering Selection Recommendations

Substitute selection should align with product status and statutory compliance. The NJM4559M is obsolete while the NJM14558M# is active. Both parts are RoHS compliant and REACH unaffected, with equal ECCN and HTSUS codes for consistent trade classification. NJM4559M has MSL 2 (1 Year) and NJM14558M# has MSL 1 (Unlimited), indicating differences in moisture sensitivity management. When obsolete product status impacts availability, NJM14558M# provides a compliant, active-status alternative within the defined parameters.

Frequently Asked Questions (FAQ)

Q1: What parameters are mandatory for substitution of operational amplifier ICs in the same category?
A1: Substitution requires identical category, amplifier type, number of circuits, mounting format, package/case, temperature range, and compliance attributes. Electrical parameters such as slew rate, gain bandwidth, input bias current, offset voltage, supply current, and supply voltage span must also be compared.

Q2: Are mounting and package considerations important for substituting NJM4559M?
A2: Yes. Both NJM4559M and NJM14558M# use the 8-SOIC (0.197", 5.00mm Width) case and 8-DMP supplier device package, ensuring mechanical compatibility for surface mount assembly.

Q3: Does the difference in supply voltage span affect substitution?
A3: Selection criteria strictly rely on the provided minimum and maximum supply voltage spans. NJM4559M supports 8 V to 36 V, while NJM14558M# supports 4 V to 14 V. The application must remain within the allowed supply voltage range.

Q4: What is the importance of RoHS, REACH, ECCN, and HTSUS in selecting a substitute?
A4: These parameters ensure legal and environmental compliance across regions, as well as consistent supply chain classification for operational amplifier ICs.

Q5: Why is product status (Obsolete vs. Active) relevant for component selection?
A5: Product status determines procurement viability. Obsolete components like NJM4559M have limited availability, prompting selection of active alternatives such as NJM14558M# for ongoing assembly and maintenance needs.