MAX4017ESA+ Equivalent & Substitute Parts

Part Overview

The MAX4017ESA+ is a dual-channel buffer and voltage feedback amplifier manufactured by Analog Devices Inc./Maxim Integrated. This linear amplifier IC operates with rail-to-rail output capability and is housed in an 8-SOIC surface mount package. The device is classified as Active product status and is ROHS3 compliant. Alternative equivalent parts may be required due to inventory constraints, application-specific performance requirements, or supply chain considerations.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Buffer, Voltage Feedback	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	3.15	V
Voltage - Supply Span (Max)	11	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4017ESA+ is determined by the following critical parameters:

Primary Compatibility Criteria:

Package type: 8-SOIC surface mount form factor
Number of circuits: 2 channels
Output configuration: Rail-to-rail capability
Supply voltage range: Minimum 3.15 V to maximum 11 V overlap
Operating temperature range: -40°C to 85°C
Compliance: ROHS3 and REACH status alignment

The AD8042ARZ qualifies as a manufacturer-recommended substitute based on matching package, channel count, output type, and operating temperature specifications. Both devices are manufactured by Analog Devices Inc. and share identical compliance certifications.

Parameter Comparison

Parameter	MAX4017ESA+	AD8042ARZ	Unit
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc.	—
Amplifier Type	Buffer, Voltage Feedback	Voltage Feedback	—
Number of Circuits	2	2	Channels
Output Type	Rail-to-Rail	Rail-to-Rail	—
Slew Rate	600	225	V/µs
Gain Bandwidth Product	140	90	MHz
-3dB Bandwidth	200	170	MHz
Current - Input Bias	5.4	1.2	µA
Voltage - Input Offset	4	3	mV
Current - Supply (x2 Channels)	5.5	6	mA
Current - Output / Channel	120	50	mA
Voltage - Supply Span (Min)	3.15	3	V
Voltage - Supply Span (Max)	11	12	V
Operating Temperature	-40 to 85	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—
REACH Status	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

MAX4017ESA+ (Primary Part): The MAX4017ESA+ is the specified component with Active product status. Current inventory of 784 pieces supports immediate procurement. This device is ROHS3 compliant and REACH unaffected, meeting regulatory requirements for industrial and commercial applications.

AD8042ARZ (Manufacturer-Recommended Substitute): The AD8042ARZ is designated as the manufacturer-recommended alternative. With 2648 pieces in stock, this substitute provides superior availability. Both devices share identical compliance certifications (ROHS3, REACH unaffected) and operating temperature specifications (-40°C to 85°C). The AD8042ARZ operates within the overlapping supply voltage range (3 V to 12 V encompasses the MAX4017ESA+ range of 3.15 V to 11 V).

Selection between these parts should be based on application-specific performance requirements, particularly regarding slew rate (600 V/µs vs. 225 V/µs), gain bandwidth product (140 MHz vs. 90 MHz), and output current capability (120 mA vs. 50 mA per channel).

Frequently Asked Questions (FAQ)

Q: Can the AD8042ARZ directly replace the MAX4017ESA+ in existing designs?

A: Both devices share identical package geometry (8-SOIC), channel count (2), output type (rail-to-rail), and operating temperature range (-40°C to 85°C). Pin-level compatibility exists. However, performance parameters differ: the MAX4017ESA+ provides higher slew rate (600 V/µs vs. 225 V/µs), higher gain bandwidth product (140 MHz vs. 90 MHz), and higher output current per channel (120 mA vs. 50 mA). Application requirements determine substitution feasibility.

Q: What are the key differences in electrical performance?

A: The MAX4017ESA+ delivers superior high-frequency performance with 140 MHz gain bandwidth product and 200 MHz -3dB bandwidth compared to the AD8042ARZ (90 MHz and 170 MHz respectively). The MAX4017ESA+ also provides higher slew rate (600 V/µs) and greater output current capability (120 mA per channel). The AD8042ARZ exhibits lower input bias current (1.2 µA vs. 5.4 µA) and lower input offset voltage (3 mV vs. 4 mV).

Q: Are both parts suitable for the same supply voltage range?

A: The MAX4017ESA+ operates from 3.15 V to 11 V. The AD8042ARZ operates from 3 V to 12 V. The overlapping range is 3.15 V to 11 V, where both devices function within specification. Applications requiring supply voltages below 3.15 V or above 11 V cannot use the MAX4017ESA+.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both the MAX4017ESA+ and AD8042ARZ are ROHS3 compliant and REACH unaffected. Both carry Moisture Sensitivity Level (MSL) rating of 1 (Unlimited). Both are classified under ECCN EAR99 and HTSUS 8542.33.0001.

Q: What is the impact of different output current ratings?

A: The MAX4017ESA+ provides 120 mA output current per channel, while the AD8042ARZ provides 50 mA per channel. Applications requiring high-current buffering or driving low-impedance loads may require the MAX4017ESA+. Lower-current applications can use either device.

Q: Are there any thermal or packaging considerations?

A: Both devices use identical 8-SOIC surface mount packaging (0.154" width, 3.90mm). Thermal performance characteristics are not provided in the specification data. PCB layout and thermal management practices should follow standard surface mount guidelines for 8-SOIC packages.

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