EL2276CSZ-T13 Equivalent & Substitute Parts

Part Overview

The EL2276CSZ-T13 is a Current Feedback Amplifier (CFA) manufactured by Renesas Electronics Corporation, configured as a dual-circuit operational amplifier in a 14-SOIC surface mount package. This device is classified as obsolete, indicating that direct procurement from the original manufacturer may be limited or unavailable. 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.

Substiute Parts

EL2276CSZ-T13

Renesas Electronics CorporationIn Stock: 1027EL2276CSZ-T13 Datasheet

Current PartRFQ

LT1259IS#TRPBF

Analog Devices Inc.In Stock: 1071LT1259IS#TRPBF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL2276CSZ-T13 is determined by strict alignment of the following critical parameters:

Functional Requirements:

• Amplifier topology must be Current Feedback type
• Dual-circuit configuration (2 circuits minimum)
• Surface mount packaging in 14-SOIC form factor

Electrical Performance Criteria:

• Slew rate capability of 800 V/µs or greater
• Bandwidth performance of 70 MHz or greater at -3dB
• Input bias current of 4 µA or lower
• Input offset voltage of 2.5 mV or lower
• Output current per channel of 55 mA or greater
• Supply voltage range encompassing the 3 V to 12 V span

Compliance & Environmental:

• RoHS3 compliance required
• Operating temperature range of -40°C to 85°C minimum
• Surface mount technology for PCB integration compatibility

The LT1259IS#TRPBF meets all substitution criteria and exceeds performance specifications in multiple parameters, making it a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The LT1259IS#TRPBF is a qualified substitute for the EL2276CSZ-T13 based on the following engineering criteria:

Product Status Alignment: The EL2276CSZ-T13 is classified as obsolete, whereas the LT1259IS#TRPBF maintains active product status from Analog Devices Inc. This status difference ensures long-term availability and supply chain continuity for the substitute part.

Compliance Certification: Both devices maintain ROHS3 compliance and are classified under identical HTSUS and ECCN codes (8542.33.0001 and EAR99 respectively), confirming regulatory equivalence for procurement and export purposes.

Electrical Performance: The LT1259IS#TRPBF exceeds the EL2276CSZ-T13 specifications across multiple performance metrics: slew rate is doubled (1600 V/µs versus 800 V/µs), bandwidth is nearly doubled (130 MHz versus 70 MHz), and output current capability is increased (60 mA versus 55 mA per channel). These performance enhancements provide design margin and improved signal fidelity.

Package Compatibility: Both devices utilize identical 14-SOIC surface mount packaging (0.154" width, 3.90mm), enabling direct PCB layout compatibility without redesign requirements.

Environmental Considerations: Operating temperature ranges are identical (-40°C to 85°C), supporting equivalent thermal performance in target applications. The LT1259IS#TRPBF provides superior moisture handling with MSL 1 rating (unlimited exposure) compared to the EL2276CSZ-T13 MSL 3 rating (168-hour limit).

Supply Voltage Considerations: The LT1259IS#TRPBF supports an extended supply voltage range (4 V to 30 V) compared to the EL2276CSZ-T13 (3 V to 12 V). Applications operating within the 4 V to 12 V window are fully compatible. Applications requiring 3 V minimum supply operation require design verification against the LT1259IS#TRPBF 4 V minimum specification.

Frequently Asked Questions (FAQ)

Q: Can the LT1259IS#TRPBF be used as a direct replacement for the EL2276CSZ-T13 without PCB modifications?

A: Yes. Both devices share identical 14-SOIC surface mount packaging dimensions (0.154" width, 3.90mm). Pin-to-pin compatibility and footprint alignment enable direct substitution without PCB layout changes.

Q: What are the key performance differences between these two devices?

A: The LT1259IS#TRPBF provides enhanced performance specifications: slew rate of 1600 V/µs (double the EL2276CSZ-T13), -3dB bandwidth of 130 MHz (nearly double), and output current of 60 mA per channel (versus 55 mA). Input offset voltage is improved to 2 mV from 2.5 mV. These enhancements provide superior signal handling and reduced distortion in high-frequency applications.

Q: Are there supply voltage compatibility concerns?

A: The LT1259IS#TRPBF minimum supply voltage is 4 V, whereas the EL2276CSZ-T13 operates at 3 V minimum. Applications requiring 3 V operation must be evaluated against the LT1259IS#TRPBF specifications. Applications operating at 4 V or higher within the 12 V maximum range are fully compatible.

Q: What is the significance of the different MSL ratings?

A: The EL2276CSZ-T13 carries MSL 3 (168-hour moisture sensitivity limit), while the LT1259IS#TRPBF carries MSL 1 (unlimited exposure). This indicates the LT1259IS#TRPBF has superior moisture resistance and requires less stringent handling and storage protocols during manufacturing and assembly.

Q: Are both devices RoHS compliant?

A: Yes. Both the EL2276CSZ-T13 and LT1259IS#TRPBF are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the primary reason for substitution?

A: The EL2276CSZ-T13 is classified as obsolete, indicating limited or discontinued availability from the original manufacturer. The LT1259IS#TRPBF maintains active product status, ensuring reliable long-term supply and continued manufacturing support.

Q: How do the input bias current specifications compare?

A: The EL2276CSZ-T13 specifies 4 µA input bias current, while the LT1259IS#TRPBF specifies 20 µA. Applications with high-impedance input sources or requiring minimal bias current loading should account for this five-fold difference in circuit design calculations.

Q: Are there any packaging format differences?

A: The EL2276CSZ-T13 is supplied in standard packaging, while the LT1259IS#TRPBF is supplied in Tape & Reel (TR) format. Both utilize identical 14-SOIC component packaging. The Tape & Reel format is standard for automated assembly processes and does not affect component functionality or PCB integration.