EL5462ISZ Equivalent & Substitute Parts

Part Overview

The EL5462ISZ 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 through standard distribution channels. The part delivers high-speed amplification with a 4000V/µs slew rate and 500 MHz bandwidth, suitable for applications requiring fast signal processing in analog signal conditioning and RF/IF circuits. Due to its obsolete status, identification of functionally equivalent active alternatives is necessary for design continuity and long-term supply chain reliability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	4	—
Slew Rate	4000	V/µs
-3dB Bandwidth	500	MHz
Current - Input Bias	2	µA
Voltage - Input Offset	1.5	mV
Current - Supply (Total)	1.5	mA (x4 Channels)
Current - Output / Channel	100	mA
Voltage - Supply Span (Min)	5	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	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	3 (168 Hours)	—

Substitute Part Grouping Explanation

Substitution eligibility for the EL5462ISZ is determined by strict adherence to the following criteria:

Mandatory Compatibility Parameters:

Amplifier Type: Current Feedback (all substitutes must match)
Number of Circuits: 4 (all substitutes must match)
Package / Case: 14-SOIC surface mount (all substitutes must match)
Operating Temperature Range: -40°C to 85°C (all substitutes must match)
RoHS3 Compliance: Required (all substitutes must match)

Performance Parameters (Allowable Variation): Substitutes may differ in slew rate, bandwidth, input bias current, supply current, and output current, provided the substitute meets or exceeds the application requirements of the original design. Lower performance specifications require design verification; higher performance specifications are generally acceptable without modification.

Packaging Considerations: All listed substitutes are supplied in 14-SOIC packages with identical physical dimensions (0.154", 3.90mm width), ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Parameter Comparison

Parameter	EL5462ISZ (Renesas)	AD8004ARZ-14 (Analog Devices)	AD8004ARZ-14-REEL7 (Analog Devices)	OPA4684ID (Texas Instruments)	OPA4684IDR (Texas Instruments)
Product Status	Obsolete	Active	Active	Active	Active
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Number of Circuits	4	4	4	4	4
Slew Rate (V/µs)	4000	3000	3000	780	780
-3dB Bandwidth (MHz)	500	250	250	95	95
Current - Input Bias (µA)	2	40	40	5	5
Voltage - Input Offset (mV)	1.5	1	1	1.5	1.5
Current - Supply (mA)	1.5 (x4)	14	14	1.7 (x4)	1.7 (x4)
Current - Output / Channel (mA)	100	50	50	160	160
Voltage - Supply Span Min (V)	5	4	4	2.8	2.8
Voltage - Supply Span Max (V)	12	12	12	12	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

Active Product Status Priority: All substitute parts listed (AD8004ARZ-14, AD8004ARZ-14-REEL7, OPA4684ID, OPA4684IDR) maintain active product status with manufacturers, ensuring continued availability, technical support, and supply chain stability. The EL5462ISZ obsolete status necessitates transition to one of these active alternatives.

Compliance and Certification: All substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory compliance profile of the original EL5462ISZ. All parts are classified under HTSUS code 8542.33.0001 and ECCN EAR99, maintaining consistent export and tariff classification.

Performance Trade-offs:

The AD8004ARZ-14 and AD8004ARZ-14-REEL7 (Analog Devices) deliver reduced slew rate (3000V/µs versus 4000V/µs) and lower bandwidth (250 MHz versus 500 MHz). These parts are suitable for applications where the original EL5462ISZ performance specifications exceed design requirements. Higher input bias current (40 µA versus 2 µA) and elevated supply current (14 mA versus 1.5 mA) require power budget verification.

The OPA4684ID and OPA4684IDR (Texas Instruments) provide significantly lower slew rate (780V/µs) and bandwidth (95 MHz), with reduced input bias current (5 µA) and lower supply current (1.7 mA). These parts are appropriate only for applications with relaxed speed requirements. Higher output current capability (160 mA versus 100 mA) and lower minimum supply voltage (2.8 V versus 5 V) offer design flexibility in specific applications.

Packaging and Moisture Sensitivity: AD8004ARZ-14 and AD8004ARZ-14-REEL7 feature superior moisture sensitivity (MSL 1, Unlimited) compared to the EL5462ISZ (MSL 3, 168 Hours), reducing handling and storage constraints. OPA4684ID and OPA4684IDR maintain MSL 2 (1 Year), providing intermediate moisture tolerance. Packaging format differences (Tube, Cut Tape & Digi-Reel, Tape & Reel) accommodate various procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can the AD8004ARZ-14 directly replace the EL5462ISZ without circuit modification?

A: The AD8004ARZ-14 is mechanically and electrically compatible at the package level (14-SOIC, identical pinout, same operating temperature range). However, reduced slew rate (3000V/µs versus 4000V/µs) and bandwidth (250 MHz versus 500 MHz) may impact circuit performance in high-speed applications. Design verification is required to confirm that reduced performance specifications do not degrade system functionality.

Q: What is the difference between AD8004ARZ-14 and AD8004ARZ-14-REEL7?

A: Both parts are electrically identical with matching electrical specifications. The primary difference is packaging format: AD8004ARZ-14 is supplied in Tube packaging, while AD8004ARZ-14-REEL7 is supplied in Cut Tape & Digi-Reel format. Selection depends on procurement quantity, assembly equipment compatibility, and inventory management requirements.

Q: Are the OPA4684ID and OPA4684IDR interchangeable?

A: OPA4684ID and OPA4684IDR are electrically identical with matching performance specifications. The difference is packaging format: OPA4684ID is supplied without specified packaging format, while OPA4684IDR is supplied in Tape & Reel (TR) format. Selection depends on assembly process requirements and procurement preferences.

Q: Why do the OPA4684 parts have lower slew rate and bandwidth than the EL5462ISZ?

A: The OPA4684 series is designed for different application requirements, prioritizing lower power consumption (1.7 mA total supply current versus 1.5 mA) and lower input bias current (5 µA versus 2 µA) over maximum speed performance. These characteristics make the OPA4684 suitable for battery-powered or low-noise applications where the reduced 780V/µs slew rate and 95 MHz bandwidth are acceptable.

Q: Can I use the OPA4684 in a design originally specified for the EL5462ISZ?

A: Substitution is possible only if the application does not require the EL5462ISZ slew rate (4000V/µs) or bandwidth (500 MHz) specifications. Applications with relaxed speed requirements (such as precision instrumentation, audio processing, or low-frequency signal conditioning) may tolerate the OPA4684 reduced performance. High-speed RF/IF applications or circuits requiring 500 MHz bandwidth operation require the higher-performance AD8004ARZ-14 or retention of the original EL5462ISZ specification.

Q: What is the impact of higher input bias current in the AD8004ARZ-14?

A: The AD8004ARZ-14 input bias current (40 µA) is 20 times higher than the EL5462ISZ (2 µA). In transimpedance amplifier configurations or high-impedance input circuits, this increased bias current generates additional input offset voltage and noise. Circuit designs with input impedances exceeding 1 MΩ require careful evaluation of bias current effects on DC accuracy and noise performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (AD8004ARZ-14, AD8004ARZ-14-REEL7, OPA4684ID, OPA4684IDR) are ROHS3 compliant, matching the regulatory compliance of the original EL5462ISZ. All parts are also REACH unaffected, maintaining consistent environmental and regulatory compliance profiles.

Q: What is the significance of moisture sensitivity level differences?

A: The EL5462ISZ (MSL 3, 168 Hours) requires more stringent moisture control during storage and handling compared to AD8004ARZ-14 and AD8004ARZ-14-REEL7 (MSL 1, Unlimited). MSL 1 parts can be stored indefinitely without moisture baking, reducing handling complexity and cost. OPA4684ID and OPA4684IDR (MSL 2, 1 Year) provide intermediate moisture tolerance. Selection of lower MSL parts simplifies supply chain logistics and reduces manufacturing risk.

Q: Can I mix different substitute parts in the same design?

A: All substitute parts are pin-compatible and mechanically interchangeable in the 14-SOIC package. However, electrical performance differences (slew rate, bandwidth, supply current, input bias current) may create circuit behavior inconsistencies if different parts are used in the same application. Consistent part selection across all four amplifier channels is recommended to ensure uniform circuit performance and simplify design documentation.

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