EL2480CSZ Equivalent & Substitute Parts

Part Overview

The EL2480CSZ is a current feedback amplifier integrated circuit manufactured by Renesas Electronics Corporation, configured as a 4-circuit operational amplifier in a 14-SOIC surface mount package. This device is classified as obsolete, indicating discontinued production and limited availability for new designs. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this amplifier topology.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	4	—
Slew Rate	1200	V/µs
-3dB Bandwidth	250	MHz
Current - Input Bias	16	µA
Voltage - Input Offset	2.5	mV
Current - Supply (per 4 Channels)	3	mA
Current - Output per Channel	55	mA
Voltage - Supply Span (Min)	3	V
Voltage - Supply Span (Max)	12	V
Operating Temperature Range	-40 to 85	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the EL2480CSZ is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Amplifier topology: Current feedback configuration
Circuit count: 4 independent amplifier circuits
Package type: 14-SOIC surface mount form factor with 0.154" (3.90mm) width
Operating temperature range: -40°C to 85°C minimum
Supply voltage compatibility: Overlap within 3V to 12V range

Secondary Compatibility Parameters:

Slew rate performance
Bandwidth characteristics (-3dB)
Input bias current specifications
Input offset voltage
Supply current consumption
Output current capability per channel

The substitute parts identified—EL5462ISZ, OPA4684ID, and OPA4684IDR—satisfy all primary substitution criteria. These devices maintain the 4-circuit current feedback amplifier architecture in identical 14-SOIC packaging, ensuring mechanical and electrical compatibility at the board level. Variations in secondary parameters reflect design improvements and performance enhancements available in active product lines.

Parameter Comparison

Parameter	EL2480CSZ (Main)	EL5462ISZ	OPA4684ID	OPA4684IDR	Unit
Manufacturer	Renesas Electronics	Elantec	Texas Instruments	Texas Instruments	—
Product Status	Obsolete	Active	Active	Active	—
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	—
Number of Circuits	4	4	4	4	—
Slew Rate	1200	4000	780	780	V/µs
-3dB Bandwidth	250	500	95	95	MHz
Current - Input Bias	16	2	5	5	µA
Voltage - Input Offset	2.5	1.5	1.5	1.5	mV
Current - Supply (x4 Channels)	3	1.5	1.7	1.7	mA
Current - Output per Channel	55	100	160	160	mA
Voltage - Supply Span (Min)	3	5	2.8	2.8	V
Voltage - Supply Span (Max)	12	12	12	12	V
Operating Temperature	-40 to 85	-40 to 85	-40 to 85	-40 to 85	°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant	—
Packaging Format	Bulk	Bulk	Bulk	Tape & Reel	—

Engineering Selection Recommendations

EL5462ISZ (Elantec): This substitute provides enhanced performance characteristics with 4000V/µs slew rate and 500MHz bandwidth, representing a significant performance upgrade from the EL2480CSZ. The device operates within the same temperature range and maintains 4-circuit configuration in 14-SOIC packaging. The minimum supply voltage requirement of 5V must be verified against designs utilizing the EL2480CSZ's 3V minimum specification. This part is currently in active production status.

OPA4684ID (Texas Instruments): This substitute maintains mechanical compatibility and operates across the full -40°C to 85°C temperature range. The OPA4684ID achieves lower minimum supply voltage (2.8V) compared to the EL2480CSZ, providing broader supply compatibility. Output current capability is increased to 160mA per channel. The device carries ROHS3 compliance certification and is in active production. Moisture sensitivity level is rated at 2 (1 Year), indicating improved handling characteristics.

OPA4684IDR (Texas Instruments): Functionally identical to the OPA4684ID, this variant is supplied in Tape & Reel packaging format, suitable for automated assembly processes. All electrical specifications, compliance certifications, and performance characteristics remain equivalent to the OPA4684ID. Selection between OPA4684ID and OPA4684IDR depends on procurement and assembly methodology requirements.

All three substitute parts satisfy the core substitution criteria: 4-circuit current feedback amplifier topology, 14-SOIC surface mount package, and -40°C to 85°C operating temperature range. Selection among these alternatives should be based on specific application requirements regarding bandwidth, slew rate, supply voltage constraints, and output current demands.

Frequently Asked Questions (FAQ)

Q: Can the EL2480CSZ be directly replaced with any of the listed substitute parts?

A: Direct replacement is possible at the mechanical and pinout level, as all substitute parts utilize identical 14-SOIC packaging. However, electrical performance differences exist. The EL5462ISZ and OPA4684 series offer improved specifications in slew rate, bandwidth, and output current. Designs must be evaluated to confirm that enhanced performance does not introduce stability or thermal management issues.

Q: What is the primary difference between OPA4684ID and OPA4684IDR?

A: Both parts are electrically and functionally identical. The OPA4684ID is supplied in bulk packaging, while OPA4684IDR is supplied in Tape & Reel format. Selection depends on assembly process requirements and volume considerations.

Q: Does the EL5462ISZ require circuit modifications for substitution?

A: The EL5462ISZ maintains the same pinout and 14-SOIC package as the EL2480CSZ. However, the minimum supply voltage is 5V compared to 3V for the EL2480CSZ. Designs operating at supply voltages below 5V require voltage adjustment or alternative selection.

Q: Are all substitute parts RoHS compliant?

A: The OPA4684ID and OPA4684IDR are certified ROHS3 compliant. RoHS compliance information for the EL5462ISZ is not provided in the available specifications.

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

A: MSL ratings indicate the maximum time a component can be exposed to ambient conditions before soldering. The EL2480CSZ carries MSL 3 (168 hours), while OPA4684 variants carry MSL 2 (1 Year). Lower MSL values indicate more stringent moisture control requirements during storage and handling.

Q: Can the EL2480CSZ be used interchangeably with the OPA4684 series in high-frequency applications?

A: The OPA4684 series exhibits lower -3dB bandwidth (95MHz) compared to the EL2480CSZ (250MHz) and EL5462ISZ (500MHz). Application-specific frequency response requirements must be evaluated before substitution in bandwidth-critical circuits.

Q: What supply voltage range is compatible with all substitute parts?

A: The overlapping supply voltage range compatible with all three substitutes and the original EL2480CSZ is 5V to 12V. Designs requiring operation below 5V must exclude the EL5462ISZ and select either OPA4684ID or OPA4684IDR, which operate down to 2.8V minimum.

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