EL8203ISZ Equivalent & Substitute Parts

Part Overview

The EL8203ISZ is a general-purpose operational amplifier manufactured by Renesas Electronics Corporation, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as obsolete, necessitating identification of active alternative components for new designs and production continuity. The EL8203ISZ delivers rail-to-rail output capability with a 600V/µs slew rate and 200 MHz gain-bandwidth product, suitable for general-purpose amplification applications requiring moderate performance specifications.

Substiute Parts

EL8203ISZ

Renesas Electronics CorporationIn Stock: 1144EL8203ISZ Datasheet

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OPA2314AQDRQ1

Texas InstrumentsIn Stock: 35252OPA2314AQDRQ1 Datasheet

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OPA2836ID

Texas InstrumentsIn Stock: 1218OPA2836ID Datasheet

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OPA2836IDR

Texas InstrumentsIn Stock: 2267OPA2836IDR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the EL8203ISZ are selected based on the following critical parameters that determine functional compatibility:

Package Compatibility: All substitute parts maintain the 8-SOIC (0.154", 3.90mm Width) surface-mount package, ensuring direct PCB layout compatibility without redesign.

Circuit Configuration: All substitutes provide dual-circuit (2-channel) amplifier configurations matching the original device.

Output Architecture: All substitutes feature rail-to-rail output capability, maintaining the voltage swing characteristics of the original design.

Supply Voltage Range: Substitute parts operate within or exceed the 3V to 5V supply span of the EL8203ISZ, ensuring compatibility with existing power distribution schemes.

Operating Temperature: Substitute parts support the -40°C to 85°C operating range or extended ranges, maintaining thermal performance requirements.

Compliance Standards: All substitutes maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original part.

The OPA2836ID and OPA2836IDR variants are functionally identical devices differentiated only by packaging format (Tube versus Cut Tape & Digi-Reel). The OPA2314AQDRQ1 represents an alternative topology with automotive qualification and extended temperature range.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement with Extended Temperature Support:

The OPA2836ID and OPA2836IDR are recommended as primary substitutes for the EL8203ISZ. Both devices maintain ROHS3 compliance and active product status. The OPA2836 series provides slew rate (560V/µs) and gain-bandwidth product (118 MHz) characteristics closely aligned with the original specification. Operating temperature range extends to 125°C, exceeding the EL8203ISZ requirement. Supply current consumption is significantly reduced (1mA versus 5.6mA), providing power efficiency benefits. The OPA2836ID and OPA2836IDR are functionally identical; selection between them depends on packaging requirements: OPA2836ID is supplied in Tube packaging, while OPA2836IDR is supplied in Cut Tape & Digi-Reel format.

For Low-Power Applications with Automotive Qualification:

The OPA2314AQDRQ1 is suitable for applications requiring automotive-grade components with AEC-Q100 qualification. This device features significantly reduced supply current (150µA versus 5.6mA), making it appropriate for battery-powered or power-constrained systems. The extended supply voltage range (1.8V to 5.5V) accommodates lower-voltage applications. Operating temperature range extends to 125°C. The OPA2314AQDRQ1 exhibits lower slew rate (1.5V/µs) and gain-bandwidth product (3 MHz) compared to the EL8203ISZ; selection of this device requires confirmation that application bandwidth requirements do not exceed 3 MHz.

Compliance and Regulatory Considerations:

All recommended substitutes maintain REACH unaffected status and EAR99 ECCN classification, matching the regulatory profile of the original EL8203ISZ. The OPA2836 series maintains ROHS3 compliance with defined moisture sensitivity levels (MSL 2, 1 Year), supporting standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the OPA2836ID and OPA2836IDR be used interchangeably with the EL8203ISZ?

A: Yes, both OPA2836 variants are functionally equivalent substitutes. The OPA2836ID is supplied in Tube packaging, while the OPA2836IDR is supplied in Cut Tape & Digi-Reel format. Selection depends on your procurement and assembly process requirements. Both maintain identical electrical specifications and 8-SOIC package dimensions.

Q: What are the key differences between the OPA2836 series and the OPA2314AQDRQ1?

A: The OPA2836 series provides higher slew rate (560V/µs versus 1.5V/µs) and higher gain-bandwidth product (118 MHz versus 3 MHz), making it suitable for higher-frequency applications. The OPA2314AQDRQ1 offers significantly lower supply current consumption (150µA versus 1mA per channel pair) and automotive-grade qualification (AEC-Q100). The OPA2314AQDRQ1 is appropriate for power-constrained or automotive applications where bandwidth requirements do not exceed 3 MHz.

Q: Are all substitute parts compatible with the existing PCB layout?

A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface-mount package, ensuring direct compatibility with existing PCB footprints without layout modifications.

Q: What is the operating temperature difference between the EL8203ISZ and the substitute parts?

A: The EL8203ISZ operates from -40°C to 85°C. Both the OPA2836 series and OPA2314AQDRQ1 extend the upper operating temperature to 125°C, providing enhanced thermal margin for applications in elevated-temperature environments.

Q: Does the OPA2314AQDRQ1 require different circuit design considerations?

A: The OPA2314AQDRQ1 features significantly lower slew rate (1.5V/µs) and gain-bandwidth product (3 MHz) compared to the EL8203ISZ (600V/µs and 200 MHz respectively). Applications requiring high-frequency response or fast transient performance should use the OPA2836 series instead. The OPA2314AQDRQ1 is suitable for low-frequency, low-power applications.

Q: What is the supply current advantage of the OPA2314AQDRQ1?

A: The OPA2314AQDRQ1 consumes 150µA total supply current (both channels), compared to 5.6mA for the EL8203ISZ. This represents a 37-fold reduction in quiescent current, providing significant power savings in battery-powered or power-limited applications.

Q: Are moisture sensitivity levels a consideration for manufacturing?

A: The OPA2836 series specifies MSL 2 (1 Year), indicating standard moisture sensitivity requiring standard handling and storage protocols. The OPA2314AQDRQ1 does not specify MSL, indicating vendor-defined handling requirements. Standard surface-mount assembly processes accommodate both specifications.

Q: Can the substitute parts handle the same output current as the EL8203ISZ?

A: The EL8203ISZ provides 65 mA output current per channel. The OPA2836 series provides 50 mA per channel, and the OPA2314AQDRQ1 provides 20 mA per channel. Applications requiring output currents exceeding 50 mA should use the EL8203ISZ or OPA2836 series. The OPA2314AQDRQ1 is suitable for applications requiring 20 mA or less per channel.