EL5244CSZ Equivalent & Substitute Parts

Part Overview

The EL5244CSZ is a voltage feedback amplifier manufactured by Renesas Electronics Corporation, featuring dual circuits in a rail-to-rail configuration housed in an 8-SOIC package. This device is classified as obsolete, necessitating identification of active alternative components for new designs and ongoing production requirements. The EL5244CSZ delivers high-speed amplification with a 60 MHz gain bandwidth product and 200V/µs slew rate, suitable for precision signal conditioning applications requiring stable 5V supply operation.

Substiute Parts

EL5244CSZ

Renesas Electronics CorporationIn Stock: 3349EL5244CSZ Datasheet

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OPA2314AQDRQ1

Texas InstrumentsIn Stock: 35252OPA2314AQDRQ1 Datasheet

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OPA2354AIDDA

Texas InstrumentsIn Stock: 3368OPA2354AIDDA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL5244CSZ is determined by the following critical parameters:

Package Compatibility: Both substitute parts maintain the 8-SOIC surface mount package with identical 0.154" (3.90mm) width, ensuring direct PCB footprint compatibility.

Functional Architecture: All candidates provide dual-channel amplifier configurations with rail-to-rail output capability, preserving circuit topology requirements.

Supply Voltage Range: The EL5244CSZ operates within 4.75V to 5.25V. Substitute parts must accommodate this range within their specified supply voltage limits.

Amplifier Classification: The EL5244CSZ employs voltage feedback topology. Substitute OPA2354AIDDA maintains this topology; OPA2314AQDRQ1 uses CMOS architecture with different performance characteristics.

Performance Metrics: Gain bandwidth product, slew rate, input offset voltage, and output current capacity determine suitability for specific signal conditioning applications.

Compliance & Status: Active product status and RoHS3 compliance are required for new design implementations.

Parameter Comparison

Engineering Selection Recommendations

OPA2354AIDDA is the primary substitute for the EL5244CSZ. This device maintains voltage feedback amplifier topology, delivers superior gain bandwidth product (100 MHz versus 60 MHz), and provides comparable slew rate performance (150V/µs versus 200V/µs). The OPA2354AIDDA operates within the EL5244CSZ supply voltage range and exceeds output current capability (100 mA versus 90 mA per channel). Both devices are RoHS3 compliant and REACH unaffected. The OPA2354AIDDA uses an 8-PowerSOIC package variant, which maintains the same footprint width but includes enhanced thermal characteristics. Product status is active, supporting long-term availability for production applications.

OPA2314AQDRQ1 serves as an alternative for applications where reduced power consumption is prioritized. This device operates across an extended supply voltage range (1.8V to 5.5V) and draws significantly lower supply current (150 µA versus 7 mA). However, the OPA2314AQDRQ1 exhibits substantially reduced gain bandwidth product (3 MHz) and slew rate (1.5V/µs), limiting suitability to low-frequency signal conditioning. The OPA2314AQDRQ1 carries automotive qualification (AEC-Q100) and operates across an extended temperature range (-40°C to 125°C). This substitute is appropriate only for applications where the EL5244CSZ performance specifications exceed actual circuit requirements.

Frequently Asked Questions (FAQ)

Q: Can the OPA2354AIDDA directly replace the EL5244CSZ without PCB modifications?

A: The OPA2354AIDDA uses an 8-PowerSOIC package while the EL5244CSZ uses standard 8-SOIC. Both packages maintain identical 0.154" (3.90mm) width and pin pitch, enabling direct footprint compatibility. The PowerSOIC variant includes an additional thermal pad beneath the package, which may require PCB layout adjustment if thermal management is not implemented in the original design. Pin assignments remain identical.

Q: What are the key performance differences between OPA2354AIDDA and OPA2314AQDRQ1?

A: The OPA2354AIDDA delivers 100 MHz gain bandwidth product and 150V/µs slew rate, suitable for high-speed signal conditioning. The OPA2314AQDRQ1 provides 3 MHz gain bandwidth product and 1.5V/µs slew rate, appropriate for low-frequency applications. The OPA2314AQDRQ1 consumes 150 µA supply current versus 4.9 mA for the OPA2354AIDDA, making it suitable for battery-powered or power-constrained systems. Selection depends on application bandwidth requirements.

Q: Is the EL5244CSZ supply voltage range compatible with both substitute parts?

A: The EL5244CSZ operates within 4.75V to 5.25V. The OPA2354AIDDA accommodates this range (2.5V to 5.5V minimum to maximum). The OPA2314AQDRQ1 also accommodates this range (1.8V to 5.5V minimum to maximum). Both substitutes support the original supply voltage specification.

Q: What compliance certifications apply to each device?

A: The EL5244CSZ and OPA2354AIDDA are both RoHS3 compliant. All three devices are REACH unaffected. The OPA2314AQDRQ1 carries automotive qualification (AEC-Q100) and operates across an extended temperature range, suitable for automotive applications. Compliance documentation should be verified with manufacturers for specific regulatory requirements.

Q: How do input offset voltage specifications affect circuit accuracy?

A: The EL5244CSZ specifies 25 mV input offset voltage. The OPA2354AIDDA provides 2 mV offset voltage, delivering superior DC accuracy. The OPA2314AQDRQ1 specifies 500 µV offset voltage, providing the highest precision. Applications requiring tight DC accuracy benefit from lower offset voltage specifications. Offset voltage drift across temperature range should be evaluated for precision applications.

Q: What output current capability is required for the application?

A: The EL5244CSZ delivers 90 mA per channel. The OPA2354AIDDA provides 100 mA per channel, exceeding the original specification. The OPA2314AQDRQ1 provides 20 mA per channel, suitable only for high-impedance load applications. Applications driving low-impedance loads or requiring significant output current should use OPA2354AIDDA or verify OPA2314AQDRQ1 capability against actual load requirements.

Q: Are there temperature range considerations for substitute selection?

A: The EL5244CSZ operates from -40°C to 85°C. Both substitute parts extend operation to -40°C to 125°C, providing broader temperature coverage. Applications operating within the original -40°C to 85°C range function identically with either substitute. Applications requiring extended high-temperature operation benefit from the expanded range of substitute devices.