EL9214IREZ Equivalent & Substitute Parts

Part Overview

The EL9214IREZ is a general purpose operational amplifier integrated circuit manufactured by Renesas Electronics Corporation. This device features four independent amplifier circuits in a 14-HTSSOP surface mount package with rail-to-rail output capability. The EL9214IREZ is classified as obsolete, making identification of functionally equivalent substitute components necessary for ongoing design support, production continuity, and system maintenance applications.

Substiute Parts

EL9214IREZ

Renesas Electronics CorporationIn Stock: 805EL9214IREZ Datasheet

Current PartRFQ

OPA4354AIPWR

Texas InstrumentsIn Stock: 23618OPA4354AIPWR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL9214IREZ is determined by the following critical parameters that must be maintained or exceeded in equivalent components:

Package Compatibility: The substitute part must utilize the 14-TSSOP surface mount package format with 0.173" (4.40mm) width to ensure mechanical and electrical compatibility with existing printed circuit board layouts.

Circuit Configuration: The substitute must provide four independent amplifier circuits within a single integrated circuit to maintain functional equivalence.

Output Capability: Rail-to-rail output configuration is required to preserve signal swing characteristics across the specified supply voltage range.

Electrical Performance: The substitute must support the minimum supply voltage span of 5V to 13.5V. Output current capability of 300mA per channel is a critical parameter for load-driving applications.

Compliance Requirements: Substitute parts must maintain ROHS3 compliance and REACH unaffected status to satisfy regulatory and environmental standards applicable to the original component.

The OPA4354AIPWR from Texas Instruments satisfies these substitution criteria through equivalent package format, four-circuit configuration, rail-to-rail output, and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The EL9214IREZ is classified as obsolete, while the OPA4354AIPWR maintains active product status with current manufacturing support from Texas Instruments. This distinction provides significant advantages for long-term supply chain reliability and technical support availability.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements for industrial and commercial applications.

Package Compatibility: Both devices utilize the 14-TSSOP surface mount package with identical physical dimensions (0.173" width, 4.40mm), enabling direct substitution on existing printed circuit board layouts without redesign.

Electrical Performance Trade-offs: The OPA4354AIPWR demonstrates superior performance in slew rate (150V/µs versus 115V/µs), gain bandwidth product (100MHz versus 63MHz), and -3dB bandwidth (250MHz versus 130MHz). However, the OPA4354AIPWR exhibits reduced output current capability per channel (100mA versus 300mA) and operates within a narrower supply voltage range (2.5V to 5.5V versus 5V to 13.5V).

Supply Voltage Constraints: Applications requiring operation at supply voltages exceeding 5.5V cannot utilize the OPA4354AIPWR as a direct substitute. In such cases, alternative components must be evaluated.

Output Current Requirements: Designs requiring output current exceeding 100mA per channel cannot be satisfied by the OPA4354AIPWR substitute.

Frequently Asked Questions (FAQ)

Q: Can the OPA4354AIPWR replace the EL9214IREZ in all applications?

A: The OPA4354AIPWR provides functional equivalence for applications operating within its specified supply voltage range of 2.5V to 5.5V and requiring output current not exceeding 100mA per channel. Applications requiring higher supply voltages or greater output current must evaluate alternative substitute components.

Q: Are the package dimensions identical between these components?

A: Both the EL9214IREZ and OPA4354AIPWR utilize the 14-TSSOP package format with identical physical dimensions of 0.173" (4.40mm) width. Direct substitution on existing printed circuit boards is mechanically feasible without layout modifications.

Q: What are the key performance differences between these amplifiers?

A: The OPA4354AIPWR provides higher slew rate (150V/µs versus 115V/µs), greater gain bandwidth product (100MHz versus 63MHz), and wider -3dB bandwidth (250MHz versus 130MHz). The EL9214IREZ provides higher output current capability per channel (300mA versus 100mA) and operation across a wider supply voltage range (5V to 13.5V versus 2.5V to 5.5V).

Q: Do both components meet current regulatory requirements?

A: Both the EL9214IREZ and OPA4354AIPWR maintain ROHS3 compliance and REACH unaffected status. The OPA4354AIPWR provides improved moisture sensitivity rating (MSL 2 with 1-year shelf life versus MSL 3 with 168-hour shelf life).

Q: What is the primary reason for substituting the EL9214IREZ?

A: The EL9214IREZ is classified as obsolete. The OPA4354AIPWR is an active product with ongoing manufacturing support, ensuring long-term availability and technical support for new designs and production continuity.

Q: Are there input bias current differences between these components?

A: The OPA4354AIPWR exhibits significantly lower input bias current (3pA versus 1.4µA), characteristic of CMOS amplifier technology. This difference may affect circuit design considerations in high-impedance applications.

Q: What supply voltage range should be used for the OPA4354AIPWR substitute?

A: The OPA4354AIPWR operates within a supply voltage range of 2.5V to 5.5V. Applications designed for the EL9214IREZ operating at supply voltages above 5.5V require alternative substitute components.