EL2142CS-T13 Equivalent & Substitute Parts

Part Overview

The EL2142CS-T13 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 discontinued production and limited availability for new designs. The part operates across a supply voltage range of 6V to 12.6V with a slew rate of 400V/µs and gain bandwidth product of 200 MHz, making it suitable for high-speed differential signal processing applications.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, production support, and long-term component sourcing. The substitute parts listed below maintain compatibility through matching package geometry, operating temperature range, and core electrical performance parameters.

Substiute Parts

EL2142CS-T13

Renesas Electronics CorporationIn Stock: 742EL2142CS-T13 Datasheet

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AD8015ARZ

Analog Devices Inc.In Stock: 5375AD8015ARZ Datasheet

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LMH6505MA/NOPB

Texas InstrumentsIn Stock: 1545LMH6505MA/NOPB Datasheet

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OPA656UB/2K5

Texas InstrumentsIn Stock: 3279OPA656UB/2K5 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL2142CS-T13 is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB footprint compatibility without layout modifications.

Operating Temperature Range: Substitute parts must support the full -40°C to 85°C operating temperature range to maintain functional equivalence across environmental conditions.

Supply Voltage Compatibility: The substitute part supply voltage range must overlap with or encompass the EL2142CS-T13 range of 6V to 12.6V to ensure operation within the same power distribution architecture.

Single Circuit Configuration: All substitutes must contain exactly one amplifier circuit to match the original part's functional density.

Electrical Performance Envelope: Substitute parts are grouped based on their ability to meet or exceed the slew rate (400V/µs), gain bandwidth product (200 MHz), and output current capability (60 mA per channel) of the original device.

The three substitute parts listed—AD8015ARZ, LMH6505MA/NOPB, and OPA656UB/2K5—satisfy these core substitution criteria while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

AD8015ARZ (Analog Devices Inc.): This transimpedance amplifier offers active product status and ROHS3 compliance, providing a modern alternative to the obsolete EL2142CS-T13. The gain bandwidth product of 240 MHz exceeds the original specification. The supply voltage range of 4.5V to 11V overlaps the EL2142CS-T13 operating window. However, the higher supply current of 25 mA should be evaluated against power budget constraints. This part is suitable for applications requiring transimpedance amplification with improved regulatory compliance.

LMH6505MA/NOPB (Texas Instruments): This variable gain amplifier maintains the same supply current specification (11 mA) as the original part and offers a significantly higher slew rate of 1500V/µs. The -3dB bandwidth matches the EL2142CS-T13 at 150 MHz. The output current capability of 80 mA exceeds the original 60 mA specification. The supply voltage range of 7V to 12V requires verification against minimum supply requirements in designs operating at 6V. ROHS3 compliance and active product status make this a suitable long-term replacement for new designs.

OPA656UB/2K5 (Texas Instruments): This voltage feedback amplifier provides the highest gain bandwidth product (230 MHz) and -3dB bandwidth (500 MHz) among the substitutes, offering enhanced frequency response performance. The supply voltage range of 8V to 12V requires designs to operate above 8V minimum. The input bias current of 1 pA represents a significant improvement over the original 6 µA specification. ROHS3 compliance and active product status support long-term availability. The Moisture Sensitivity Level of 3 (168 Hours) requires controlled storage conditions compared to the original MSL 1 rating.

All three substitute parts maintain the 8-SOIC package geometry and -40°C to 85°C operating temperature range, ensuring mechanical and thermal compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can the AD8015ARZ directly replace the EL2142CS-T13 in existing designs?

A: The AD8015ARZ shares the same 8-SOIC package and operating temperature range. However, the amplifier type differs (transimpedance versus differential), and the supply current is higher at 25 mA. Circuit-level evaluation is required to confirm functional equivalence for the specific application.

Q: What is the primary limitation of the OPA656UB/2K5 as a substitute?

A: The OPA656UB/2K5 has a minimum supply voltage of 8V, which exceeds the EL2142CS-T13 minimum of 6V. Designs operating at 6V or 7V supply voltage cannot use this substitute without power supply modifications.

Q: Are all substitute parts RoHS compliant?

A: Yes, all three substitute parts (AD8015ARZ, LMH6505MA/NOPB, and OPA656UB/2K5) are ROHS3 compliant, whereas the original EL2142CS-T13 is RoHS non-compliant. This represents an improvement in regulatory compliance for new designs.

Q: Does the LMH6505MA/NOPB meet the minimum 6V supply requirement?

A: The LMH6505MA/NOPB has a minimum supply voltage of 7V, which is 1V higher than the EL2142CS-T13 minimum of 6V. Designs with 6V supply rails require either the AD8015ARZ or verification that 7V operation is acceptable.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: The EL2142CS-T13 and AD8015ARZ have MSL 1 (unlimited shelf life), while the LMH6505MA/NOPB also has MSL 1. The OPA656UB/2K5 has MSL 3, requiring storage at controlled humidity (≤60% RH) for 168 hours after opening. This affects component handling and storage procedures.

Q: Which substitute offers the best performance improvement?

A: The OPA656UB/2K5 provides the highest -3dB bandwidth (500 MHz) and lowest input bias current (1 pA). The LMH6505MA/NOPB offers the highest slew rate (1500V/µs). Selection depends on the specific performance requirements of the application.

Q: Are all substitutes available in the same packaging format?

A: Yes, all substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring identical PCB footprint compatibility without layout modifications.

Q: Can the EL2142CS-T13 be used interchangeably with these substitutes in production?

A: No. The EL2142CS-T13 is obsolete and has limited inventory. The substitute parts are recommended for new designs and ongoing production to ensure long-term component availability and regulatory compliance.