AD8001ARTZ-R2 Equivalent & Substitute Parts

Part Overview

The AD8001ARTZ-R2 is a current feedback amplifier manufactured by Analog Devices Inc., housed in a SOT-23-5 surface mount package. This single-circuit operational amplifier is designed for high-speed signal processing applications requiring slew rates of 1200V/µs and bandwidth of 795 MHz. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility within the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	1	—
Slew Rate	1200	V/µs
-3dB Bandwidth	795	MHz
Current - Input Bias	5	µA
Voltage - Input Offset	2	mV
Current - Supply	5	mA
Current - Output / Channel	70	mA
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 85	°C
Package / Case	SC-74A, SOT-753	—
Supplier Device Package	SOT-23-5	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the AD8001ARTZ-R2 is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Amplifier topology (Current Feedback vs. Voltage Feedback)
Single-circuit configuration
Slew rate performance (minimum 1200V/µs for direct substitution)
Bandwidth performance (minimum 795 MHz for direct substitution)
Input bias current (5 µA nominal)
Input offset voltage (2 mV maximum)
Output current capability (70 mA minimum per channel)
Supply voltage range compatibility (6V to 12V operation)
Operating temperature range (-40°C to 85°C)

Mechanical Compatibility Criteria:

Surface mount technology
SOT-23-5 package footprint (SC-74A, SOT-753)

Substitution Categories:

Direct Substitutes (Identical Electrical Performance): Parts meeting or exceeding all electrical parameters while maintaining the same amplifier topology and package specification.

Functional Equivalents (Enhanced Performance): Parts with superior electrical performance (higher slew rate, greater bandwidth, improved offset voltage) that operate within the same supply voltage and temperature ranges, maintaining pin-compatible SOT-23-5 packaging.

Conditional Equivalents (Parameter Trade-offs): Parts with different amplifier topologies (voltage feedback vs. current feedback) or modified electrical specifications that require application-level verification of compatibility.

Parameter Comparison

Parameter	AD8001ARTZ-R2	AD8001ARTZ-REEL7	EL5161IWZ-T7	EL5161IWZ-T7A	LMH6702MF/NOPB	LMH6702MFX/NOPB	MAX4104EUK+T
Manufacturer	Analog Devices	Analog Devices	Renesas	Renesas	National Semiconductor	National Semiconductor	Analog Devices/Maxim
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Voltage Feedback
Number of Circuits	1	1	1	1	1	1	1
Slew Rate (V/µs)	1200	1200	1700	1700	3100	3100	400
-3dB Bandwidth (MHz)	795	795	200	200	1700	1700	625
Current - Input Bias (µA)	5	5	5	5	6	6	32
Voltage - Input Offset (mV)	2	2	1.6	1.6	1	1	1
Current - Supply (mA)	5	5	0.75	0.75	12.5	12.5	20
Current - Output / Channel (mA)	70	70	—	140	80	80	70
Voltage - Supply Span Min (V)	6	6	5	5	10	10	7
Voltage - Supply Span Max (V)	12	12	10	10	12	12	11
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Discontinued	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—	—	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)	—	—	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute: AD8001ARTZ-REEL7

The AD8001ARTZ-REEL7 is the direct equivalent to the AD8001ARTZ-R2, differing only in packaging format (Digi-Reel vs. standard packaging). This part maintains identical electrical specifications across all parameters: 1200V/µs slew rate, 795 MHz bandwidth, 5 µA input bias current, and 2 mV input offset voltage. The part is currently in active product status with 3300 units in stock. It carries ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original part. The SOT-23-5 package footprint is identical, enabling direct PCB substitution without layout modifications.

Secondary Substitutes: EL5161IWZ-T7 and EL5161IWZ-T7A

The Renesas EL5161 series (EL5161IWZ-T7 and EL5161IWZ-T7A) are current feedback amplifiers in SOT-23-5 packages with active product status. Both parts operate within the -40°C to 85°C temperature range and maintain 5 µA input bias current. The EL5161IWZ-T7A provides 140 mA output current per channel, exceeding the 70 mA requirement of the AD8001ARTZ-R2. However, these parts exhibit reduced bandwidth (200 MHz vs. 795 MHz) and lower slew rate (1700V/µs vs. 1200V/µs). The supply voltage range is narrower (5V to 10V vs. 6V to 12V). These parts are suitable for applications where bandwidth and slew rate requirements are less stringent than the original specification. Both carry ROHS3 compliance and REACH unaffected status.

Enhanced Performance Alternatives: LMH6702MF/NOPB and LMH6702MFX/NOPB

The National Semiconductor LMH6702 series (LMH6702MF/NOPB and LMH6702MFX/NOPB) are current feedback amplifiers offering superior performance with 3100V/µs slew rate and 1.7 GHz bandwidth. These parts exceed the electrical performance of the AD8001ARTZ-R2 across all dynamic parameters. Output current capability is 80 mA per channel, meeting the 70 mA requirement. However, the supply voltage range is restricted to 10V to 12V, which is narrower than the original 6V to 12V specification. These parts are suitable for applications requiring enhanced bandwidth and slew rate performance within the specified supply voltage window. Both parts are in active product status with substantial inventory availability.

Conditional Substitute: MAX4104EUK+T

The MAX4104EUK+T is a voltage feedback amplifier, differing fundamentally from the current feedback topology of the AD8001ARTZ-R2. While it maintains the SOT-23-5 package and -40°C to 85°C operating temperature range, the voltage feedback architecture introduces different frequency response and stability characteristics. The part exhibits 400V/µs slew rate and 625 MHz bandwidth, both lower than the original specification. Input bias current is significantly higher at 32 µA compared to 5 µA. Supply voltage range is 7V to 11V. This part is suitable only for applications where the voltage feedback topology is acceptable and performance requirements are less demanding than the original specification. The part carries ROHS3 compliance and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can the AD8001ARTZ-REEL7 be used as a direct replacement for the AD8001ARTZ-R2?

A: Yes. The AD8001ARTZ-REEL7 is electrically and mechanically identical to the AD8001ARTZ-R2. The only difference is packaging format (Digi-Reel vs. standard packaging). Both parts share identical electrical specifications, SOT-23-5 package footprint, and operating parameters. No circuit modifications are required.

Q: What is the key difference between the AD8001ARTZ-R2 and the EL5161IWZ-T7A?

A: Both are current feedback amplifiers in SOT-23-5 packages with identical input bias current (5 µA) and operating temperature range (-40°C to 85°C). The primary differences are: (1) bandwidth is reduced from 795 MHz to 200 MHz, (2) slew rate is increased from 1200V/µs to 1700V/µs, (3) supply voltage range is narrower (5V to 10V vs. 6V to 12V), and (4) output current is doubled (140 mA vs. 70 mA). The EL5161IWZ-T7A is suitable for applications where lower bandwidth is acceptable and higher output current is beneficial.

Q: Why is the MAX4104EUK+T listed as a substitute if it has different performance?

A: The MAX4104EUK+T is listed as a conditional equivalent because it maintains mechanical compatibility (SOT-23-5 package, surface mount, -40°C to 85°C operation) and shares the same pinout family. However, the voltage feedback topology differs fundamentally from the current feedback architecture of the AD8001ARTZ-R2. This part is suitable only for applications where voltage feedback operation is acceptable and performance requirements do not demand the original specifications.

Q: What does "current feedback" vs. "voltage feedback" mean in terms of substitution?

A: Current feedback and voltage feedback are two distinct operational amplifier topologies with different frequency response, stability, and feedback network requirements. Current feedback amplifiers (AD8001, EL5161, LMH6702) maintain constant gain-bandwidth product and are optimized for high-speed applications. Voltage feedback amplifiers (MAX4104) have gain-dependent bandwidth. Substitution between these topologies requires verification that the application circuit design is compatible with the selected topology.

Q: Can the LMH6702MF/NOPB be used in a circuit designed for the AD8001ARTZ-R2?

A: The LMH6702MF/NOPB is mechanically compatible (SOT-23-5 package) and maintains current feedback topology. However, the supply voltage range is restricted to 10V to 12V, which is narrower than the original 6V to 12V specification. If the application operates within the 10V to 12V window, the LMH6702MF/NOPB can be substituted. The superior slew rate (3100V/µs) and bandwidth (1.7 GHz) provide enhanced performance. Verification of circuit stability and frequency response is required due to the significantly higher bandwidth.

Q: What is the significance of the Moisture Sensitivity Level (MSL) rating?

A: MSL rating indicates the maximum time a component can be exposed to ambient conditions before soldering. MSL 1 (Unlimited) means the part has no time restriction and can be stored indefinitely at room temperature. MSL 2 (1 Year) means the part must be soldered within one year of opening the package. The AD8001ARTZ-R2 and AD8001ARTZ-REEL7 have MSL 1, while the EL5161 series has MSL 2. This affects storage and handling procedures but does not impact electrical performance.

Q: Are all listed substitutes RoHS compliant?

A: The AD8001ARTZ-REEL7, EL5161IWZ-T7, EL5161IWZ-T7A, and MAX4104EUK+T are explicitly listed as ROHS3 compliant. The LMH6702MF/NOPB and LMH6702MFX/NOPB do not have RoHS status specified in the provided data. If RoHS compliance is a requirement, verification with the manufacturer is necessary for the LMH6702 series.

Q: What is the difference between EL5161IWZ-T7 and EL5161IWZ-T7A?

A: Both parts are Renesas current feedback amplifiers with identical electrical specifications except for output current capability. The EL5161IWZ-T7 does not specify output current per channel, while the EL5161IWZ-T7A provides 140 mA output current per channel. The EL5161IWZ-T7A is suitable for applications requiring higher output current drive capability. Both parts have identical bandwidth (200 MHz), slew rate (1700V/µs), and supply voltage range (5V to 10V).

Q: Can I use the LMH6702MFX/NOPB instead of the LMH6702MF/NOPB?

A: Yes. Both parts are electrically identical with 3100V/µs slew rate, 1.7 GHz bandwidth, and identical supply voltage range (10V to 12V). The difference is in packaging designation only. Both are suitable for the same applications and can be used interchangeably.

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