MAX361EPE Equivalent & Substitute Parts

Part Overview

The MAX361EPE is a 4-circuit SPST-NC (Single Pole Single Throw - Normally Closed) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with an on-state resistance of 85Ohm maximum and is housed in a 16-DIP package for through-hole mounting. The MAX361EPE is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NC
Number of Circuits	4
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	85Ohm
Voltage Supply - Single (V+)	10V ~ 30V
Voltage Supply - Dual (V±)	±4.5V ~ 20V
Operating Temperature Range	-40°C ~ 85°C
Package Type	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the MAX361EPE is determined by the following critical parameters:

Switch circuit topology (SPST - NC configuration)
Number of independent circuits (4 circuits required)
Multiplexer ratio (1:1)
Package form factor (16-DIP through-hole)
Supply voltage compatibility (10V ~ 30V single or ±4.5V ~ 20V dual)
Operating temperature range (-40°C ~ 85°C)

The DG411DJ+ meets all mandatory substitution criteria. While the DG411DJ+ exhibits improved electrical performance characteristics (lower on-state resistance of 45Ohm versus 85Ohm, faster switching times), it maintains full functional and mechanical compatibility with the MAX361EPE within the specified parameter envelope.

Parameter Comparison

Parameter	MAX361EPE	DG411DJ+	Compatibility
Switch Circuit	SPST - NC	SPST - NC	Identical
Number of Circuits	4	4	Identical
Multiplexer Configuration	1:1	1:1	Identical
On-State Resistance (Max)	85Ohm	45Ohm	DG411DJ+ superior
Channel-to-Channel Matching (ΔRon)	2Ohm (Max)	3Ohm (Max)	MAX361EPE superior
Voltage Supply - Single (V+)	10V ~ 30V	10V ~ 30V	Identical
Voltage Supply - Dual (V±)	±4.5V ~ 20V	±4.5V ~ 20V	Identical
Switch Time Ton (Max)	250ns	175ns	DG411DJ+ superior
Switch Time Toff (Max)	120ns	145ns	MAX361EPE superior
Charge Injection	5pC	5pC	Identical
Current - Leakage (IS(off)) (Max)	500pA	250pA	DG411DJ+ superior
Crosstalk	-100dB @ 1MHz	-85dB @ 1MHz	MAX361EPE superior
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package / Case	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)	Identical
Mounting Type	Through Hole	Through Hole	Identical
Product Status	Obsolete	Active	DG411DJ+ actively supported
RoHS Status	RoHS non-compliant	ROHS3 Compliant	DG411DJ+ compliant

Engineering Selection Recommendations

The DG411DJ+ is the direct functional substitute for the MAX361EPE. Selection of the DG411DJ+ is supported by the following factors:

Full electrical and mechanical compatibility across all mandatory parameters
Active product status with ongoing manufacturer support, contrasting the obsolete status of the MAX361EPE
ROHS3 compliance of the DG411DJ+, addressing regulatory requirements not met by the non-compliant MAX361EPE
Superior performance in on-state resistance (45Ohm versus 85Ohm) and leakage current (250pA versus 500pA)
Identical supply voltage ranges and operating temperature specifications
Identical package form factor and through-hole mounting configuration

For applications where the MAX361EPE is currently deployed or specified, the DG411DJ+ provides a direct replacement path with enhanced performance characteristics and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the DG411DJ+ directly replace the MAX361EPE in existing PCB designs?

A: Yes. Both components share identical 16-DIP package dimensions (0.300", 7.62mm) and through-hole pin configurations. No PCB layout modifications are required for mechanical or electrical substitution.

Q: What are the key electrical differences between these parts?

A: The DG411DJ+ provides lower on-state resistance (45Ohm versus 85Ohm) and reduced leakage current (250pA versus 500pA). The MAX361EPE exhibits superior channel-to-channel matching (2Ohm versus 3Ohm) and crosstalk performance (-100dB versus -85dB @ 1MHz). Both maintain identical supply voltage ranges and operating temperature specifications.

Q: Why is the MAX361EPE classified as obsolete?

A: The MAX361EPE is no longer in active production by Analog Devices Inc./Maxim Integrated. The DG411DJ+ represents the current-generation equivalent with improved performance and regulatory compliance.

Q: Does the DG411DJ+ meet RoHS requirements?

A: Yes. The DG411DJ+ is ROHS3 compliant, whereas the MAX361EPE is RoHS non-compliant. This compliance status is relevant for applications subject to RoHS regulations.

Q: Are the supply voltage specifications identical?

A: Yes. Both the MAX361EPE and DG411DJ+ support single supply operation (10V ~ 30V) and dual supply operation (±4.5V ~ 20V). No power supply modifications are required for substitution.

Q: What is the impact of the different on-state resistance values?

A: The DG411DJ+ on-state resistance of 45Ohm is lower than the MAX361EPE specification of 85Ohm. This results in reduced voltage drop across the switch and lower power dissipation in applications where the switch conducts signal current. For most applications, this represents an improvement in performance.

Q: Are there any package or pinout differences?

A: No. Both components use the 16-DIP package with identical pinout and through-hole mounting configuration. Direct socket substitution is possible.

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