EL5261IS-T7 Equivalent & Substitute Parts

Part Overview

The EL5261IS-T7 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 support ongoing maintenance, repair, and production requirements for systems utilizing this component. Substitute parts must maintain functional compatibility through matching amplifier topology, circuit count, package form factor, and critical electrical performance parameters.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution compatibility for the EL5261IS-T7 is determined by the following mandatory criteria:

Topology & Configuration: All substitute parts must be current feedback amplifiers with exactly two circuits (dual-channel configuration) to maintain functional equivalence in dual-amplifier applications.

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct printed circuit board compatibility without layout modifications.

Electrical Performance Envelope: Substitute parts must operate within the supply voltage range of 5V to 10V minimum and maximum specifications. The slew rate (1700V/µs), bandwidth (200 MHz), input bias current (5 µA), input offset voltage (1.6 mV), and output current per channel (70 mA) establish the baseline performance characteristics. Substitute parts with equal or superior performance in these parameters are electrically compatible.

Operating Temperature Range: Substitute parts must support the -40°C to 85°C operating temperature range to maintain functionality across the full environmental specification.

Substitutes identified: AD8002ARZ, AD8002ARZ-R7, AD8008ARZ, AD8008ARZ-REEL, AD8008ARZ-REEL7, AD8072JRZ, AD8072JRZ-REEL7, LMH6724MA/NOPB, LMH6724MAX/NOPB, and LT1396CS8#PBF meet these core substitution criteria.

Parameter Comparison

Parameter	EL5261IS-T7	AD8002ARZ	AD8008ARZ	AD8072JRZ	LMH6724MAX/NOPB	LT1396CS8#PBF
Manufacturer	Renesas Electronics	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	National Semiconductor	Analog Devices Inc.
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Number of Circuits	2	2	2	2	2	2
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Slew Rate (V/µs)	1700	1200	1000	500	600	800
-3dB Bandwidth (MHz)	200	600	500	100	370	400
Current - Input Bias (µA)	5	5	4	—	2	10
Voltage - Input Offset (mV)	1.6	2	0.5	—	1	1
Current - Supply (µA, x2 Channels)	750	10000	9000	3500	1000	4600
Current - Output / Channel (mA)	70	70	130	30	110	80
Voltage - Supply Span Min (V)	5	6	5	5	4.5	4
Voltage - Supply Span Max (V)	10	12	12	12	12	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	0 to 70
Product Status	Obsolete	Active	Active	Last Time Buy	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes for Active Production:

The AD8002ARZ and AD8002ARZ-R7 (Analog Devices Inc.) represent the most direct functional replacements for the EL5261IS-T7. Both devices maintain the dual-channel current feedback amplifier topology in 8-SOIC packaging with operating temperature range of -40°C to 85°C. The AD8002ARZ-R7 is supplied in Tape & Reel packaging with 4201 units in stock, providing superior availability for high-volume production. Both variants are ROHS3 compliant, addressing regulatory requirements that the original EL5261IS-T7 does not meet. The AD8002 series exhibits higher bandwidth (600 MHz) and lower input offset voltage (2 mV) compared to the EL5261IS-T7, providing performance margin in signal conditioning applications.

Secondary Substitutes with Enhanced Performance:

The AD8008ARZ and AD8008ARZ-REEL7 (Analog Devices Inc.) offer increased output current capability (130 mA per channel versus 70 mA) and superior input offset voltage (500 µV), making these devices suitable for applications requiring higher drive capability or precision signal processing. These parts maintain full compatibility with the -40°C to 85°C temperature specification and are ROHS3 compliant. The AD8008ARZ-REEL7 variant provides 1481 units in stock with Tape & Reel packaging.

Alternative Substitutes for Specific Applications:

The LMH6724MAX/NOPB (National Semiconductor) provides a lower supply current profile (1 mA per dual channels) with 370 MHz bandwidth and 110 mA output current per channel. This device is suitable for power-constrained applications while maintaining the required operating temperature range and 8-SOIC package form factor. The LT1396CS8#PBF (Analog Devices Inc., LT series) offers 400 MHz bandwidth with 80 mA output current per channel and is ROHS3 compliant. However, this device operates only to 70°C maximum, restricting use in applications requiring the full -40°C to 85°C range.

Compliance Considerations:

All recommended active substitutes are ROHS3 compliant, addressing environmental and regulatory requirements. The EL5261IS-T7 is RoHS non-compliant; therefore, new designs should transition to compliant alternatives. All substitute parts maintain the REACH Unaffected status and EAR99 export classification of the original device.

Frequently Asked Questions (FAQ)

Q: Can the AD8002ARZ directly replace the EL5261IS-T7 without circuit modifications?

A: The AD8002ARZ is electrically compatible with the EL5261IS-T7 in applications where the supply voltage range of 6V to 12V encompasses the system operating point. The EL5261IS-T7 specifies a minimum supply voltage of 5V, while the AD8002ARZ requires 6V minimum. If the system operates at exactly 5V, the AD8002ARZ is not suitable. Both devices share identical 8-SOIC pinout and dual-channel current feedback topology, enabling direct socket substitution in compatible voltage domains.

Q: What is the significance of the slew rate difference between the EL5261IS-T7 (1700V/µs) and substitute parts?

A: The EL5261IS-T7 exhibits the highest slew rate among available substitutes. Substitute parts with lower slew rates (AD8002ARZ at 1200V/µs, AD8008ARZ at 1000V/µs, LMH6724MAX/NOPB at 600V/µs) are suitable for applications where signal rise time is not the limiting performance factor. High-speed pulse or video signal conditioning applications may require the EL5261IS-T7 or AD8002ARZ to meet slew rate specifications. Lower slew rate devices introduce acceptable settling time delays in DC precision amplifier circuits.

Q: Are tape and reel packaging variants functionally identical to tube packaging?

A: Yes. The AD8002ARZ-R7, AD8008ARZ-REEL, AD8008ARZ-REEL7, and AD8072JRZ-REEL7 are functionally identical to their tube-packaged counterparts (AD8002ARZ, AD8008ARZ, and AD8072JRZ respectively). Packaging differences affect only handling, storage, and automated assembly processes. Electrical specifications, performance characteristics, and pinout remain unchanged. Tape and reel variants typically offer higher inventory availability for production quantities.

Q: Why does the LT1396CS8#PBF have a restricted operating temperature range?

A: The LT1396CS8#PBF operates from 0°C to 70°C, compared to the EL5261IS-T7 specification of -40°C to 85°C. This device is unsuitable for applications requiring operation below 0°C or above 70°C. The restricted range reflects the device design and characterization limits. Applications requiring the full -40°C to 85°C range must select from AD8002ARZ, AD8008ARZ, AD8072JRZ, or LMH6724MAX/NOPB variants.

Q: What does ROHS3 compliance mean for substitute part selection?

A: ROHS3 compliance indicates the device meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, hexavalent chromium, and specified brominated flame retardants. The EL5261IS-T7 is RoHS non-compliant. All recommended active substitutes (AD8002ARZ, AD8008ARZ, AD8072JRZ, LT1396CS8#PBF) are ROHS3 compliant, enabling use in applications subject to environmental regulations and customer requirements for lead-free components.

Q: Can the AD8008ARZ substitute for the EL5261IS-T7 in bandwidth-limited applications?

A: The AD8008ARZ provides 500 MHz bandwidth compared to the EL5261IS-T7 at 200 MHz. In applications where the system bandwidth requirement is 200 MHz or lower, the AD8008ARZ operates well within specification margins. The higher bandwidth capability does not degrade performance in bandwidth-limited circuits. The AD8008ARZ offers superior input offset voltage (500 µV) and higher output current (130 mA per channel), providing additional performance margin for precision signal conditioning.

Q: What inventory considerations apply to substitute part selection?

A: The AD8002ARZ-R7 provides the highest inventory availability at 4201 units in stock. The AD8008ARZ-REEL7 offers 1481 units, and AD8072JRZ-REEL7 provides 3439 units. The original EL5261IS-T7 has 1114 units available. For applications requiring immediate component availability or high-volume production, the AD8002ARZ-R7 and AD8072JRZ-REEL7 variants offer superior stock positions.

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