EL2045CSZ-T7 Equivalent & Substitute Parts

Part Overview

The EL2045CSZ-T7 is a voltage feedback amplifier manufactured by Renesas Electronics Corporation, configured as a single-circuit operational amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, indicating discontinued production and limited availability for new designs. The identification of equivalent and substitute parts is necessary to maintain supply chain continuity and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

EL2045CSZ-T7

Renesas Electronics CorporationIn Stock: 8703EL2045CSZ-T7 Datasheet

Current PartRFQ

THS4011ID

Texas InstrumentsIn Stock: 3870THS4011ID Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL2045CSZ-T7 is determined by strict alignment of the following electrical and mechanical parameters:

Mandatory Matching Criteria:

• Amplifier topology: Voltage feedback configuration
• Circuit count: Single circuit (1 amplifier per package)
• Package type: 8-SOIC surface mount with 0.154" (3.90mm) width
• Operating temperature range: -40°C to 85°C minimum
• Supply voltage compatibility: Overlapping supply voltage ranges
• RoHS3 compliance status

Performance Parameters for Substitution: Substitute parts must maintain or exceed the following performance specifications to ensure functional compatibility:

• Slew rate: minimum 275 V/µs
• Gain bandwidth product: minimum 200 MHz
• Input bias current: maximum 2.8 µA
• Input offset voltage: maximum 500 µV
• Output current capability: minimum 75 mA per channel
• Supply current: within acceptable operating margins

The THS4011ID from Texas Instruments meets all mandatory matching criteria and exceeds performance specifications across all measured parameters, qualifying it as a direct substitute for the obsolete EL2045CSZ-T7.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: THS4011ID

The THS4011ID is the qualified substitute for the EL2045CSZ-T7 based on the following engineering criteria:

Compliance and Availability: The THS4011ID maintains active product status with confirmed inventory availability (3800 units in stock), eliminating supply chain risk associated with the obsolete EL2045CSZ-T7. Both devices carry ROHS3 compliance certification and REACH unaffected status, ensuring regulatory alignment for current manufacturing standards.

Electrical Compatibility: The THS4011ID operates within the same 8-SOIC package footprint and surface mount configuration, enabling direct PCB layout compatibility without redesign. The operating temperature range (-40°C to 85°C) matches the original specification exactly.

Performance Enhancement: The THS4011ID delivers superior performance across critical parameters: slew rate increases from 275 V/µs to 310 V/µs, gain bandwidth product increases from 200 MHz to 290 MHz, and input bias current decreases from 2.8 µA to 2 µA. These improvements provide enhanced signal fidelity and reduced noise characteristics in existing circuit topologies.

Supply Voltage Consideration: The THS4011ID minimum supply voltage requirement is 9 V, compared to 2.5 V for the EL2045CSZ-T7. Applications operating at supply voltages below 9 V require circuit redesign or alternative component selection. The maximum supply voltage specification (32 V vs. 36 V) represents a minor constraint for standard industrial applications.

Moisture Sensitivity: The THS4011ID carries MSL 1 (Unlimited) rating, providing superior moisture tolerance compared to the EL2045CSZ-T7 MSL 3 (168 Hours) specification. This reduces handling and storage requirements during manufacturing.

Frequently Asked Questions (FAQ)

Q: Can the THS4011ID be used as a direct replacement for the EL2045CSZ-T7 without PCB modifications?

A: The THS4011ID uses the identical 8-SOIC package footprint (0.154" width, 3.90mm) and surface mount configuration. Pin-to-pin compatibility exists for direct PCB substitution. However, the minimum supply voltage requirement of 9 V must be verified against the original circuit design. If the EL2045CSZ-T7 operates at supply voltages below 9 V, circuit redesign is required.

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

A: The THS4011ID provides higher slew rate (310 V/µs vs. 275 V/µs), higher gain bandwidth product (290 MHz vs. 200 MHz), and lower input bias current (2 µA vs. 2.8 µA). These improvements enhance signal processing speed and reduce input-referred noise. The input offset voltage specification is higher for the THS4011ID (1 mV vs. 500 µV), which may require offset nulling in precision applications.

Q: Are there supply voltage limitations when substituting the THS4011ID?

A: Yes. The THS4011ID requires a minimum supply voltage of 9 V, whereas the EL2045CSZ-T7 operates from 2.5 V minimum. Applications using supply voltages between 2.5 V and 9 V cannot use the THS4011ID without circuit modification. The maximum supply voltage for the THS4011ID is 32 V compared to 36 V for the original device.

Q: Do both devices meet current environmental and regulatory standards?

A: Both the EL2045CSZ-T7 and THS4011ID carry ROHS3 compliance certification and REACH unaffected status. The THS4011ID offers improved moisture sensitivity (MSL 1 vs. MSL 3), reducing handling constraints during manufacturing and storage.

Q: What is the inventory status for each device?

A: The EL2045CSZ-T7 is classified as obsolete with 8661 units currently in stock. The THS4011ID is an active product with 3800 units in stock. For long-term production planning, the active status of the THS4011ID provides supply chain stability.

Q: Are there any thermal or power consumption differences?

A: The THS4011ID draws 7.8 mA supply current compared to 5.2 mA for the EL2045CSZ-T7, representing a 50% increase in quiescent current consumption. This difference should be evaluated in battery-powered or power-constrained applications.

Q: Can the EL2045CSZ-T7 be used in new designs?

A: The EL2045CSZ-T7 is classified as obsolete, indicating discontinued production. New designs should utilize the THS4011ID or other active alternatives to ensure long-term component availability and manufacturing support.