EL5392ACUZ Equivalent & Substitute Parts

Part Overview

The EL5392ACUZ is a current feedback amplifier integrated circuit manufactured by Renesas Electronics Corporation, configured as a triple-channel operational amplifier in a 16-QSOP surface mount package. This device is classified as obsolete, indicating discontinued production and limited availability through standard distribution channels. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure project feasibility, and provide alternative sourcing options for applications requiring current feedback amplifier functionality with comparable electrical and mechanical specifications.

Substiute Parts

EL5392ACUZ

Renesas Electronics CorporationIn Stock: 1108EL5392ACUZ Datasheet

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LT1399CGN#PBF

Linear TechnologyIn Stock: 2232LT1399CGN#PBF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL5392ACUZ is determined by strict alignment of the following critical parameters:

Functional Requirements:

• Amplifier Type: Current Feedback (mandatory)
• Number of Circuits: 3 (mandatory)
• Package / Case: 16-SSOP surface mount configuration (mandatory for PCB compatibility)

Electrical Performance Boundaries:

• Slew Rate: Substitute must support minimum 2300 V/µs or higher
• -3dB Bandwidth: Substitute must support minimum 600 MHz or higher
• Current - Output / Channel: Substitute must support minimum 120 mA or higher
• Voltage - Supply Span: Substitute must operate within or encompass the 5 V to 10 V range
• Operating Temperature: Substitute must cover the -40°C to 85°C range or a subset thereof

Compliance & Environmental:

• RoHS3 Compliance required
• Surface mount packaging required for direct PCB replacement

The LT1399CGN#PBF meets the functional and package requirements as a triple-channel current feedback amplifier in 16-SSOP packaging. However, electrical performance differs in specific parameters, requiring engineering evaluation for application-specific compatibility.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The EL5392ACUZ is classified as obsolete with no ongoing production. The LT1399CGN#PBF is an active product with current manufacturing and distribution support. Selection of an active substitute part ensures long-term availability and supply chain stability.

Compliance & Certification: Both parts carry EAR99 export classification and identical HTSUS codes (8542.33.0001), indicating equivalent regulatory treatment. The EL5392ACUZ is ROHS3 compliant. Compliance documentation for the LT1399CGN#PBF must be verified against project requirements.

Electrical Performance Trade-offs: The LT1399CGN#PBF exhibits reduced performance in three key parameters relative to the EL5392ACUZ:

• Slew Rate: 800 V/µs versus 2300 V/µs (65% reduction)
• -3dB Bandwidth: 300 MHz versus 600 MHz (50% reduction)
• Current - Output / Channel: 80 mA versus 120 mA (33% reduction)

These reductions are offset by improved supply current efficiency (4.6 mA versus 6 mA) and expanded supply voltage range (4 V to 12 V versus 5 V to 10 V).

Temperature Range Limitation: The LT1399CGN#PBF operates over 0°C to 70°C, which does not encompass the full -40°C to 85°C range of the EL5392ACUZ. Applications requiring operation below 0°C or above 70°C cannot use this substitute without additional thermal management or alternative sourcing.

Mechanical Compatibility: Both parts utilize identical 16-SSOP surface mount packaging (0.154", 3.90mm width), enabling direct PCB footprint compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the LT1399CGN#PBF be used as a direct replacement for the EL5392ACUZ in all applications?

A: Direct replacement is limited by electrical performance differences and operating temperature range. The LT1399CGN#PBF is suitable for applications where the reduced slew rate (800 V/µs), bandwidth (300 MHz), and output current (80 mA per channel) are acceptable, and where operating temperature remains within 0°C to 70°C. Applications requiring the full -40°C to 85°C range or higher performance specifications require alternative parts.

Q: Are the package footprints identical between these two parts?

A: Yes. Both the EL5392ACUZ and LT1399CGN#PBF use 16-SSOP surface mount packaging with identical dimensions (0.154", 3.90mm width). PCB footprints are mechanically compatible without modification.

Q: What is the significance of the obsolete status of the EL5392ACUZ?

A: Obsolete status indicates that Renesas Electronics Corporation has discontinued production. Existing inventory may be available through authorized distributors, but long-term availability is not guaranteed. The LT1399CGN#PBF, classified as active, offers assured ongoing availability and manufacturing support.

Q: How do the supply voltage ranges compare?

A: The EL5392ACUZ operates from 5 V to 10 V. The LT1399CGN#PBF operates from 4 V to 12 V, providing a wider operating range. Designs operating at 4 V or below, or above 10 V, may benefit from the expanded range of the LT1399CGN#PBF, provided other electrical specifications are acceptable.

Q: What are the implications of the reduced slew rate in the LT1399CGN#PBF?

A: The LT1399CGN#PBF slew rate of 800 V/µs is 65% lower than the EL5392ACUZ specification of 2300 V/µs. Slew rate determines the maximum rate of voltage change at the output. Applications requiring high-speed transient response or handling steep input signal edges may not be suitable for the LT1399CGN#PBF substitute.

Q: Is the LT1399CGN#PBF suitable for low-temperature applications below 0°C?

A: No. The LT1399CGN#PBF operating temperature range is 0°C to 70°C. Applications requiring operation below 0°C must use alternative parts or implement external thermal management. The EL5392ACUZ supports -40°C operation, but availability is limited due to obsolete status.

Q: What compliance certifications apply to both parts?

A: Both parts carry EAR99 export classification and HTSUS code 8542.33.0001. The EL5392ACUZ is confirmed ROHS3 compliant. Compliance documentation for the LT1399CGN#PBF should be obtained from the manufacturer or authorized distributor to confirm equivalent regulatory status for specific applications.