EL2142CS Equivalent & Substitute Parts

Part Overview

The EL2142CS is a differential amplifier integrated circuit manufactured by Renesas Electronics Corporation, housed in an 8-SOIC surface mount package. This device is classified as obsolete, indicating it is no longer in active production. The EL2142CS provides a single differential amplification circuit with a gain bandwidth product of 200 MHz and operates across a supply voltage range of 6 V to 12.6 V.

Due to its obsolete status, locating replacement units from original inventory becomes increasingly difficult. Identifying equivalent substitute parts ensures design continuity and maintains access to functionally compatible alternatives for new production runs or system redesigns.

Substiute Parts

EL2142CS

Renesas Electronics CorporationIn Stock: 1562EL2142CS Datasheet

Current PartRFQ

AD8015ARZ-REEL7

Analog Devices Inc.In Stock: 16363AD8015ARZ-REEL7 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL2142CS is determined by compatibility across the following critical parameters:

Package and Mounting Compatibility: Both the main part and substitute must utilize the 8-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm Width) to ensure direct board-level replacement without layout modifications.

Electrical Operating Range: The substitute part must operate within the temperature range of -40°C to 85°C and support the required supply voltage specifications. The EL2142CS operates from 6 V to 12.6 V; substitute parts must accommodate this range or a compatible subset.

Amplifier Functionality: The substitute must provide differential amplification in a single-circuit configuration to maintain functional equivalence within the system architecture.

Bandwidth and Frequency Response: The substitute part must deliver gain bandwidth product and slew rate performance sufficient for the application. The EL2142CS specifies 200 MHz gain bandwidth product and 400 V/µs slew rate.

The AD8015ARZ-REEL7 meets these substitution criteria through identical package specifications, compatible operating temperature range, and differential amplification capability within a single circuit configuration.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The EL2142CS is classified as obsolete, while the AD8015ARZ-REEL7 maintains active production status. This distinction is significant for long-term supply chain reliability and availability assurance.

Compliance and Regulatory Status: The AD8015ARZ-REEL7 is ROHS3 compliant, meeting current regulatory requirements for electronic components in many jurisdictions. The EL2142CS is RoHS non-compliant, which may present restrictions for new designs or applications subject to RoHS regulations. Both parts maintain REACH Unaffected status.

Package and Mounting Compatibility: Both devices utilize identical 8-SOIC surface mount packaging with matching physical dimensions, enabling direct board-level substitution without PCB layout modifications.

Operating Temperature Range: Both parts support the identical operating temperature range of -40°C to 85°C, ensuring thermal compatibility across the specified application environment.

Supply Voltage Considerations: The AD8015ARZ-REEL7 operates from 4.5 V to 11 V, while the EL2142CS operates from 6 V to 12.6 V. The substitute part's maximum supply voltage of 11 V is lower than the original part's maximum of 12.6 V. System designs operating at supply voltages above 11 V require evaluation to determine compatibility.

Electrical Performance: The AD8015ARZ-REEL7 provides a gain bandwidth product of 240 MHz, exceeding the EL2142CS specification of 200 MHz. The substitute part's higher bandwidth capability supports equivalent or enhanced frequency response performance. Supply current for the AD8015ARZ-REEL7 is 25 mA compared to 11 mA for the EL2142CS, representing a 14 mA increase in power consumption.

Functional Architecture: The EL2142CS is a differential amplifier, while the AD8015ARZ-REEL7 is a transimpedance amplifier with differential output. These represent different amplifier topologies. Application-specific circuit requirements determine whether this architectural difference affects functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can the AD8015ARZ-REEL7 directly replace the EL2142CS on existing PCBs?

A: Both devices share identical 8-SOIC package dimensions and surface mount configuration, enabling direct physical replacement without PCB layout modifications. However, the different amplifier architectures (differential versus transimpedance) and electrical parameter variations require circuit-level evaluation to confirm functional compatibility within the specific application.

Q: What is the primary reason for seeking a substitute for the EL2142CS?

A: The EL2142CS is classified as obsolete and no longer in active production. The AD8015ARZ-REEL7 is an active product with established supply chain availability, making it suitable for new production runs or system redesigns requiring long-term component sourcing.

Q: Are there supply voltage compatibility issues between these parts?

A: The AD8015ARZ-REEL7 operates from 4.5 V to 11 V, while the EL2142CS operates from 6 V to 12.6 V. If the application requires supply voltages exceeding 11 V, the substitute part cannot be used. Designs operating within the 6 V to 11 V range are compatible with both parts.

Q: How do the power consumption characteristics compare?

A: The EL2142CS draws 11 mA supply current, while the AD8015ARZ-REEL7 draws 25 mA. This 14 mA increase represents a significant power consumption difference. System power budgets and thermal management designs must account for this higher current draw.

Q: What compliance advantages does the AD8015ARZ-REEL7 offer?

A: The AD8015ARZ-REEL7 is ROHS3 compliant, meeting current regulatory requirements for electronic components in many jurisdictions. The EL2142CS is RoHS non-compliant, which may restrict its use in new designs subject to RoHS regulations. Both parts maintain REACH Unaffected status.

Q: Do both parts support the same operating temperature range?

A: Yes, both the EL2142CS and AD8015ARZ-REEL7 operate across the identical temperature range of -40°C to 85°C, ensuring thermal compatibility for applications within this specification.

Q: What is the difference between a differential amplifier and a transimpedance amplifier?

A: A differential amplifier amplifies the voltage difference between two input signals. A transimpedance amplifier converts input current to output voltage. These represent different circuit topologies with distinct input and output characteristics. Application requirements determine whether this architectural difference affects system performance.

Q: Is the higher gain bandwidth product of the AD8015ARZ-REEL7 beneficial?

A: The AD8015ARZ-REEL7 provides 240 MHz gain bandwidth product compared to the EL2142CS specification of 200 MHz. This higher bandwidth capability supports equivalent or enhanced frequency response performance for applications requiring high-speed signal processing.

Q: What packaging options are available for the AD8015ARZ-REEL7?

A: The AD8015ARZ-REEL7 is supplied in Cut Tape (CT) and Digi-Reel packaging formats, both utilizing the 8-SOIC surface mount package configuration identical to the EL2142CS.