EL5263ISZ Equivalent & Substitute Parts

Part Overview

The EL5263ISZ is a current feedback amplifier integrated circuit manufactured by Renesas Electronics Corporation, configured as a dual-channel operational amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and production requirements. The EL5263ISZ delivers high-speed amplification with a 4000V/µs slew rate and 500 MHz bandwidth, making it suitable for applications requiring fast signal processing in compact form factors.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	2	—
Slew Rate	4000	V/µs
-3dB Bandwidth	500	MHz
Current - Input Bias	2	µA
Voltage - Input Offset	1.5	mV
Current - Supply (per Channel)	1.5	mA
Current - Output / Channel	100	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	3 (168 Hours)	—

Substitute Part Grouping Explanation

Substitution of the EL5263ISZ is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Amplifier Type: Current Feedback (mandatory)
Number of Circuits: 2 (mandatory)
Package / Case: 8-SOIC surface mount (mandatory)
Operating Temperature Range: -40°C to 85°C (mandatory)
Voltage Supply Span: Minimum 5V to Maximum 12V (mandatory overlap required)

Secondary Performance Parameters (must meet or exceed):

Slew Rate: 4000V/µs or greater
-3dB Bandwidth: 500 MHz or greater
Current - Output / Channel: 100 mA or greater
Current - Supply: 1.5 mA per channel or less (lower is preferred for power efficiency)

Compliance Requirements:

RoHS3 Compliant status preferred
REACH Unaffected status required

Substitute parts are grouped into two categories: direct functional equivalents that meet all primary and secondary criteria, and compatible alternatives that satisfy primary criteria with trade-offs in specific performance parameters.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	-3dB Bandwidth (MHz)	Input Bias (µA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Span Min (V)	Supply Span Max (V)	Package	Product Status	RoHS Status
EL5263ISZ	Renesas	Current Feedback	2	4000	500	2	1.5	1.5	100	5	12	8-SOIC	Obsolete	ROHS3
AD8002ARZ	Analog Devices	Current Feedback	2	1200	600	5	2	10	70	6	12	8-SOIC	Active	ROHS3
AD8012ARZ-REEL7	Analog Devices	Current Feedback	2	2250	350	3	1.5	1.7	125	3	12	8-SOIC	Active	ROHS3
AD8072JRZ	Analog Devices	Current Feedback	2	500	100	—	—	3.5	30	5	12	8-SOIC	Last Time Buy	ROHS3
AD8072JRZ-REEL7	Analog Devices	Current Feedback	2	500	100	—	—	3.5	30	5	12	8-SOIC	Last Time Buy	ROHS3
LMH6715MA	Texas Instruments	Current Feedback	2	1300	400	—	—	5.8	70	10	12	8-SOIC	Not For New Designs	Non-compliant
MAX4225ESA+	Analog Devices/Maxim	Current Feedback	2	1100	1000	2	0.5	6	80	5.7	11	8-SOIC	Active	ROHS3
OPA2674ID	Texas Instruments	Current Feedback	2	2000	260	10	1	18	500	5	12	8-SOIC	Active	ROHS3
OPA2674IDR	Texas Instruments	Current Feedback	2	2000	260	10	1	18	500	5	12	8-SOIC	Active	ROHS3
OPA2683ID	Texas Instruments	Current Feedback	2	540	—	3	1.5	1.88	150	5	12	8-SOIC	Active	ROHS3
OPA2684ID	Texas Instruments	Current Feedback	2	780	250	5	1.5	1.7	160	2.8	12	8-SOIC	Active	ROHS3

Engineering Selection Recommendations

Tier 1 - Direct Functional Equivalents (Recommended for Replacement):

AD8012ARZ-REEL7 (Analog Devices) is the primary recommended substitute. This device maintains the critical performance envelope of the EL5263ISZ with a slew rate of 2250V/µs and output current of 125 mA, both exceeding the original specification. The supply current of 1.7 mA per channel is marginally higher than the EL5263ISZ at 1.5 mA but remains within acceptable operational parameters. The device is Active status with ROHS3 compliance and operates across the required temperature range. The extended supply voltage minimum of 3V provides additional design flexibility.

OPA2684ID (Texas Instruments) serves as an alternative with superior performance characteristics. It delivers 780V/µs slew rate and 160 mA output current per channel, with a notably lower minimum supply voltage of 2.8V. The 1.7 mA supply current per channel matches the AD8012ARZ-REEL7. This device is Active status with ROHS3 compliance and is suitable for applications requiring lower supply voltage operation.

Tier 2 - Compatible Alternatives (Performance Trade-offs):

MAX4225ESA+ (Analog Devices/Maxim Integrated) offers the highest bandwidth at 1000 MHz, significantly exceeding the EL5263ISZ specification. However, the slew rate of 1100V/µs falls below the original 4000V/µs specification. This device is Active status with ROHS3 compliance and features the lowest input offset voltage at 0.5 mV. Selection is appropriate for bandwidth-critical applications where slew rate is not the limiting factor.

OPA2674ID and OPA2674IDR (Texas Instruments) provide exceptional output current capability at 500 mA per channel, substantially exceeding the EL5263ISZ. The slew rate of 2000V/µs is half the original specification. Supply current of 18 mA per channel is significantly higher. These devices are Active status with ROHS3 compliance and are suitable for high-current output applications.

Tier 3 - Limited Substitution (Not Recommended for New Designs):

AD8072JRZ and AD8072JRZ-REEL7 (Analog Devices) are classified as Last Time Buy status. The -3dB bandwidth of 100 MHz and slew rate of 500V/µs represent substantial performance reductions compared to the EL5263ISZ. These devices are suitable only for legacy system maintenance where performance requirements are significantly lower.

LMH6715MA (Texas Instruments) is classified as Not For New Designs and carries RoHS non-compliant status. This device does not meet current regulatory requirements and is unsuitable for new production.

AD8002ARZ (Analog Devices) presents a bandwidth advantage at 600 MHz but exhibits a slew rate of only 1200V/µs and supply current of 10 mA per channel, both representing significant increases from the EL5263ISZ baseline. This device is Active status with ROHS3 compliance but is not optimal for the original application profile.

Frequently Asked Questions (FAQ)

Q: Can the AD8012ARZ-REEL7 directly replace the EL5263ISZ in existing PCB designs?

A: Yes. Both devices are packaged in 8-SOIC surface mount configuration with identical pinout compatibility. The AD8012ARZ-REEL7 operates within the required -40°C to 85°C temperature range and accepts the 5V to 12V supply voltage range. Pin-for-pin substitution is possible without PCB modification. The slightly elevated supply current (1.7 mA versus 1.5 mA per channel) requires verification that power supply capacity is adequate.

Q: What is the significance of the "REEL7" designation in part numbers like AD8012ARZ-REEL7?

A: The "REEL7" suffix indicates the device is supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging format, as opposed to Tube packaging. This affects procurement and handling but does not alter electrical performance or pinout. The base device AD8012ARZ and AD8012ARZ-REEL7 are electrically identical.

Q: Why does the OPA2684ID have a lower minimum supply voltage (2.8V) than the EL5263ISZ (5V)?

A: The OPA2684ID is designed with a wider supply voltage operating range, allowing operation at lower voltages. This provides design flexibility for applications with constrained power budgets. However, the EL5263ISZ minimum specification of 5V must be observed in the original design; the OPA2684ID's lower minimum does not require redesign but permits it if beneficial.

Q: Is the MAX4225ESA+ suitable as a substitute if bandwidth is the primary design constraint?

A: The MAX4225ESA+ delivers 1000 MHz bandwidth, double the EL5263ISZ specification. However, the slew rate of 1100V/µs is substantially lower than the original 4000V/µs. Substitution is appropriate only if circuit analysis confirms that slew rate is not a limiting factor in the application. High-frequency bandwidth and slew rate are independent parameters; high bandwidth does not guarantee adequate slew rate for fast transient signals.

Q: What is the impact of the OPA2683ID and OPA2684ID having "Differential" output type versus the EL5263ISZ?

A: The OPA2683ID and OPA2684ID are configured with differential output stages, whereas the EL5263ISZ has standard single-ended outputs. Differential output devices require different circuit topologies and termination schemes. These devices are not pin-compatible substitutes and require significant circuit redesign. They are listed as alternatives only for applications specifically designed for differential amplifier operation.

Q: Why is the LMH6715MA not recommended despite being listed in the original substitute list?

A: The LMH6715MA carries RoHS non-compliant status and is classified as Not For New Designs by the manufacturer. Current regulatory requirements mandate RoHS3 compliance for new production. Additionally, the performance specifications (1300V/µs slew rate, 400 MHz bandwidth) represent significant reductions from the EL5263ISZ. This device is suitable only for legacy system maintenance where regulatory exemptions apply.

Q: Can multiple substitute devices be used interchangeably in the same production run?

A: No. Each substitute device exhibits different electrical characteristics (slew rate, bandwidth, supply current, output current). Mixing devices within a single production batch introduces performance variability and complicates quality assurance and field troubleshooting. A single substitute device should be selected and validated for the entire production run. If multiple substitutes are required due to supply constraints, each must be independently qualified and documented.

Q: What is the Moisture Sensitivity Level (MSL) significance for the EL5263ISZ versus substitute devices?

A: The EL5263ISZ carries MSL 3 (168 Hours), indicating more stringent moisture handling requirements than most substitutes, which carry MSL 1 (Unlimited). MSL 3 devices require baking before reflow soldering if exposed to ambient humidity for extended periods. Substitute devices with MSL 1 have no moisture sensitivity restrictions. This represents an operational advantage for substitute devices in manufacturing environments with variable humidity control.

Q: Are there any supply voltage overlap issues when substituting the EL5263ISZ with AD8002ARZ?

A: Yes. The EL5263ISZ minimum supply voltage is 5V, while the AD8002ARZ minimum is 6V. If the original design operates at exactly 5V, the AD8002ARZ cannot be used without power supply modification. The AD8012ARZ-REEL7 (minimum 3V) and OPA2684ID (minimum 2.8V) do not have this constraint and are preferred if 5V operation is required.

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