EL5261IS-T13 Equivalent & Substitute Parts

Part Overview

The EL5261IS-T13 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, indicating discontinued production and limited availability for new designs. 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.

Key Parameters

Parameter	Value
Amplifier Type	Current Feedback
Number of Circuits	2
Slew Rate	1700 V/µs
-3dB Bandwidth	200 MHz
Current - Input Bias	5 µA
Voltage - Input Offset	1.6 mV
Current - Supply	750 µA (x2 Channels)
Current - Output / Channel	70 mA
Voltage - Supply Span (Min)	5 V
Voltage - Supply Span (Max)	10 V
Operating Temperature	-40°C to 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the EL5261IS-T13 is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier topology: Current feedback configuration
Circuit count: Dual-channel (2 circuits)
Package type: 8-SOIC surface mount
Operating temperature range: -40°C to 85°C minimum
Supply voltage compatibility: Minimum 5 V to maximum 10 V overlap

Secondary Compatibility Factors:

Slew rate performance (1700 V/µs baseline)
Bandwidth specification (200 MHz baseline)
Output current capability (70 mA per channel baseline)
Input bias current (5 µA baseline)
Input offset voltage (1.6 mV baseline)

Substitute parts are grouped into two categories based on performance characteristics:

Category A - Direct Performance Equivalents: Parts with slew rate and bandwidth specifications meeting or exceeding the EL5261IS-T13 baseline while maintaining compatible supply voltage ranges and output current ratings.

Category B - Reduced Performance Alternatives: Parts with lower slew rate or bandwidth specifications but maintaining functional compatibility within the 8-SOIC package and operating temperature range. These parts are suitable for applications where the full performance envelope of the original part is not required.

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 Min (V)	Supply Max (V)	Temp Range (°C)	Package	Product Status
EL5261IS-T13	Renesas	Current Feedback	2	1700	200	5	1.6	0.75	70	5	10	-40 to 85	8-SOIC	Obsolete
AD8002ARZ	Analog Devices	Current Feedback	2	1200	600	5	2	10	70	6	12	-40 to 85	8-SOIC	Active
AD8002ARZ-R7	Analog Devices	Current Feedback	2	1200	600	5	2	10	70	6	12	-40 to 85	8-SOIC	Active
AD8008ARZ	Analog Devices	Current Feedback	2	1000	500	4	0.5	9	130	5	12	-40 to 85	8-SOIC	Active
AD8008ARZ-REEL	Analog Devices	Current Feedback	2	1000	500	4	0.5	9	130	5	12	-40 to 85	8-SOIC	Active
AD8008ARZ-REEL7	Analog Devices	Current Feedback	2	1000	500	4	0.5	9	130	5	12	-40 to 85	8-SOIC	Active
AD8072JRZ	Analog Devices	Current Feedback	2	500	100	N/A	N/A	3.5	30	5	12	-40 to 85	8-SOIC	Last Time Buy
AD8072JRZ-REEL7	Analog Devices	Current Feedback	2	500	100	N/A	N/A	3.5	30	5	12	-40 to 85	8-SOIC	Last Time Buy
LMH6724MA/NOPB	National Semiconductor	Current Feedback	2	600	370	2	1	1	110	4.5	12	-40 to 85	8-SOIC	Active
LMH6724MAX/NOPB	National Semiconductor	Current Feedback	2	600	370	2	1	1	110	4.5	12	-40 to 85	8-SOIC	Active
LT1396CS8#PBF	Analog Devices	Current Feedback	2	800	400	10	1	4.6	80	4	12	0 to 70	8-SOIC	Active

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

The AD8002ARZ and AD8002ARZ-R7 represent the most direct substitutes for the EL5261IS-T13. Both devices maintain the dual-channel current feedback amplifier topology in an 8-SOIC package with operating temperature range of -40°C to 85°C. The AD8002 series provides superior bandwidth performance (600 MHz versus 200 MHz) and is manufactured by Analog Devices Inc., an active product line with ROHS3 compliance. The primary trade-off is reduced slew rate (1200 V/µs versus 1700 V/µs) and increased supply current (10 mA versus 0.75 mA). The AD8002ARZ-R7 variant offers tape and reel packaging for automated assembly environments.

The AD8008ARZ, AD8008ARZ-REEL, and AD8008ARZ-REEL7 provide enhanced output current capability (130 mA versus 70 mA) and improved input offset voltage (0.5 mV versus 1.6 mV) with active product status. These devices maintain the 8-SOIC package and -40°C to 85°C operating range. Bandwidth performance (500 MHz) exceeds the original specification, though slew rate is reduced to 1000 V/µs.

The LMH6724MA/NOPB and LMH6724MAX/NOPB from National Semiconductor offer the lowest supply current consumption (1 mA) among active substitutes while maintaining 370 MHz bandwidth and 600 V/µs slew rate. These devices support extended supply voltage range (4.5 V to 12 V) and are suitable for power-constrained applications.

Secondary Substitutes (Limited Availability Status):

The AD8072JRZ and AD8072JRZ-REEL7 are classified as Last Time Buy, indicating limited future availability. These devices provide reduced performance specifications (100 MHz bandwidth, 500 V/µs slew rate, 30 mA output current) and are suitable only for applications where the original EL5261IS-T13 performance envelope significantly exceeds actual requirements.

The LT1396CS8#PBF operates within a narrower temperature range (0°C to 70°C versus -40°C to 85°C) and is not recommended for applications requiring the full military or extended industrial temperature specification of the original part.

Compliance and Certification:

All active substitute parts maintain ROHS3 compliance and REACH unaffected status. The EL5261IS-T13 is RoHS non-compliant, reflecting its obsolete status. Selection of active, compliant alternatives ensures alignment with current regulatory requirements and supply chain sustainability.

Frequently Asked Questions (FAQ)

Q: Can the AD8002ARZ directly replace the EL5261IS-T13 in existing designs?

A: The AD8002ARZ maintains functional compatibility through identical dual-channel current feedback topology, 8-SOIC package, and -40°C to 85°C operating temperature range. However, circuit performance will differ due to reduced slew rate (1200 V/µs versus 1700 V/µs) and increased supply current (10 mA versus 0.75 mA). Applications sensitive to slew rate performance or power consumption require circuit re-evaluation.

Q: What is the difference between AD8002ARZ and AD8002ARZ-R7?

A: Both devices are electrically identical. The primary difference is packaging format: AD8002ARZ is supplied in tube packaging, while AD8002ARZ-R7 is supplied in tape and reel format. Selection depends on assembly process requirements. Tape and reel packaging is standard for automated pick-and-place assembly operations.

Q: Why is the LT1396CS8#PBF not recommended as a primary substitute?

A: The LT1396CS8#PBF operates within a 0°C to 70°C temperature range, which does not encompass the full -40°C to 85°C specification of the EL5261IS-T13. Applications requiring operation below 0°C or above 70°C will not function reliably with this substitute. Additionally, this device is active but not optimized for the full performance envelope of the original part.

Q: Which substitute offers the best power efficiency?

A: The LMH6724MA/NOPB and LMH6724MAX/NOPB provide the lowest supply current consumption at 1 mA per channel, compared to 0.75 mA for the original EL5261IS-T13. These devices are suitable for battery-powered or power-constrained applications where supply current is a critical design parameter.

Q: Are all substitute parts available in the same 8-SOIC package?

A: Yes, all listed substitute parts are packaged in 8-SOIC (0.154", 3.90mm width) surface mount configuration, ensuring mechanical and electrical compatibility with existing printed circuit board layouts. No PCB redesign is required for package accommodation.

Q: What is the significance of "Last Time Buy" status for the AD8072 series?

A: Last Time Buy status indicates that the manufacturer has announced discontinuation of the product line. Existing inventory may be available for a limited period, but long-term supply cannot be guaranteed. These parts should not be selected for new designs requiring extended production lifecycles.

Q: How do I determine which substitute is appropriate for my application?

A: Evaluate your application requirements against the following parameters: required slew rate performance, bandwidth specification, output current demand, supply voltage constraints, operating temperature range, and power consumption limits. Compare these requirements against the parameter comparison table. If your application requires slew rate greater than 1200 V/µs, the AD8008 series is recommended. If power consumption is critical, the LMH6724 series is preferred. For general-purpose substitution with active product status, the AD8002 series provides balanced performance.

Q: Is RoHS compliance a factor in selecting a substitute?

A: Yes. The original EL5261IS-T13 is RoHS non-compliant. All active substitute parts listed (AD8002, AD8008, LMH6724, LT1396) maintain ROHS3 compliance. For new designs or applications subject to regulatory requirements, selection of RoHS-compliant substitutes is mandatory.

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