EL5156ISZ Equivalent & Substitute Parts

Part Overview

The EL5156ISZ is a voltage feedback amplifier manufactured by Renesas Electronics Corporation, housed in an 8-SOIC surface mount package. This device is classified as obsolete, necessitating identification of equivalent substitute components for ongoing design requirements and production continuity. The EL5156ISZ delivers a slew rate of 700V/µs with a gain bandwidth product of 210 MHz, operating across a supply voltage range of 4.5V to 12V with a maximum supply current of 6mA.

Substiute Parts

EL5156ISZ

Renesas Electronics CorporationIn Stock: 847EL5156ISZ Datasheet

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AD8045ARDZ

Analog Devices Inc.In Stock: 1138AD8045ARDZ Datasheet

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LT1815CS8#PBF

Analog Devices Inc.In Stock: 980LT1815CS8#PBF Datasheet

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OPA820IDG4

Texas InstrumentsIn Stock: 951OPA820IDG4 Datasheet

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OPA820IDR

Texas InstrumentsIn Stock: 6093OPA820IDR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the EL5156ISZ is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Amplifier Type: Voltage Feedback (single circuit configuration)
• Package Type: 8-SOIC surface mount form factor
• Supply Voltage Range: Minimum 4.5V to maximum 12V compatibility
• Operating Temperature Range: -40°C to 85°C minimum coverage
• RoHS3 Compliance and REACH Unaffected status

Secondary Compatibility Parameters:

• Input Bias Current: 400 nA baseline
• Input Offset Voltage: 500 µV baseline
• Supply Current: 6mA baseline
• Slew Rate: 700V/µs baseline
• Gain Bandwidth Product: 210 MHz baseline

Substitute parts must maintain functional equivalence within the 8-SOIC package footprint and support the specified supply voltage window. Parts with enhanced performance characteristics (higher slew rate, wider bandwidth, lower input offset voltage) are acceptable substitutes provided they meet or exceed the minimum operating requirements and maintain package compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: OPA820IDR

The OPA820IDR from Texas Instruments is the recommended primary substitute for the EL5156ISZ. This device maintains active product status, ensuring long-term availability and supply chain stability. The OPA820IDR operates within the identical temperature range (-40°C to 85°C) and supply voltage window (5V to 12V maximum), with compatible 8-SOIC packaging. While the minimum supply voltage is 5V compared to the EL5156ISZ baseline of 4.5V, this represents a minor constraint for most applications. The OPA820IDR delivers superior performance with an 800 MHz -3dB bandwidth and 280 MHz gain bandwidth product, exceeding the original specification. RoHS3 compliance and REACH Unaffected status align with regulatory requirements.

Secondary Substitute: LT1815CS8#PBF

The LT1815CS8#PBF from Analog Devices Inc. provides an alternative with active product status. This device offers the lowest moisture sensitivity level (MSL 1, Unlimited) among all substitutes, providing superior handling flexibility. The LT1815CS8#PBF operates at a minimum supply voltage of 2.5V, providing broader supply range compatibility. However, the operating temperature range (0°C to 70°C) does not extend to the full -40°C lower limit of the original specification, restricting use in extended temperature applications. The device maintains RoHS3 compliance and REACH Unaffected status.

Tertiary Substitute: AD8045ARDZ

The AD8045ARDZ from Analog Devices Inc. is an active product offering enhanced performance characteristics with a 1 GHz -3dB bandwidth and 1350V/µs slew rate. The device supports an extended operating temperature range (-40°C to 125°C) and lower minimum supply voltage (3.3V). The 8-SOIC-EP package includes an exposed pad for improved thermal management. Supply current consumption increases to 16mA, representing a 167% increase over the original specification. RoHS3 compliance and REACH Unaffected status are maintained.

Not Recommended: OPA820IDG4

The OPA820IDG4 carries a product status of "Discontinued at DiGi Electronics," indicating reduced availability and potential supply chain constraints. While electrically equivalent to the OPA820IDR, the discontinued status makes this option unsuitable for new designs requiring long-term component availability.

Frequently Asked Questions (FAQ)

Q: Can the OPA820IDR directly replace the EL5156ISZ in existing designs?

A: The OPA820IDR is electrically compatible with the EL5156ISZ within the specified operating parameters. Both devices feature identical 8-SOIC packaging, single voltage feedback amplifier configuration, and overlapping supply voltage ranges (5V to 12V). The OPA820IDR operates within the same temperature range (-40°C to 85°C). Pin-for-pin compatibility exists for standard 8-SOIC footprints. Designs operating below 5V minimum supply voltage require evaluation of alternative substitutes.

Q: What is the impact of higher slew rate in substitute parts?

A: Substitute parts such as the AD8045ARDZ (1350V/µs) and LT1815CS8#PBF (1500V/µs) provide slew rates exceeding the original EL5156ISZ specification (700V/µs). Higher slew rate capability improves transient response and reduces settling time in high-frequency applications. These enhanced characteristics are backward compatible with designs specified for the original 700V/µs performance level. No circuit modifications are required to accommodate higher slew rate performance.

Q: Are there supply voltage compatibility constraints?

A: The OPA820IDR and OPA820IDG4 require a minimum supply voltage of 5V, compared to the EL5156ISZ baseline of 4.5V. Designs operating at 4.5V to 5V must select alternative substitutes. The LT1815CS8#PBF supports operation at 2.5V minimum, and the AD8045ARDZ operates at 3.3V minimum, providing broader supply range flexibility for low-voltage applications.

Q: What is the significance of moisture sensitivity level differences?

A: The LT1815CS8#PBF carries MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage and handling. The EL5156ISZ and AD8045ARDZ both carry MSL 3 (168 Hours), requiring controlled humidity storage and limiting shelf life. The OPA820IDR and OPA820IDG4 carry MSL 2 (1 Year), providing intermediate moisture sensitivity performance. MSL ratings affect component storage requirements, handling procedures, and bake-out protocols prior to reflow soldering.

Q: Does operating temperature range affect substitute selection?

A: The LT1815CS8#PBF operates across 0°C to 70°C, which does not extend to the -40°C lower limit of the original EL5156ISZ specification. Applications requiring full -40°C to 85°C temperature coverage must select the OPA820IDR, OPA820IDG4, or AD8045ARDZ. The AD8045ARDZ extends the upper temperature limit to 125°C, providing enhanced thermal margin for high-temperature environments.

Q: What is the significance of product status classifications?

A: Active product status (OPA820IDR, LT1815CS8#PBF, AD8045ARDZ) indicates ongoing manufacturer support, continued production, and long-term availability. The EL5156ISZ carries Obsolete status, indicating end-of-life classification and unavailability for new orders. The OPA820IDG4 carries "Discontinued at DiGi Electronics" status, indicating limited distributor availability despite potential manufacturer production. Active status products are preferred for new designs and production continuity.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed (AD8045ARDZ, LT1815CS8#PBF, OPA820IDG4, OPA820IDR) carry ROHS3 Compliant status, matching the original EL5156ISZ specification. All devices maintain REACH Unaffected status. These regulatory compliance characteristics ensure compatibility with environmental and hazardous substance restrictions across global markets.