MAX396CWI Equivalent & Substitute Parts

Part Overview

The MAX396CWI is a 16:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 28-SOIC surface mount package. This component features 100Ohm on-state resistance and operates across single supply (2.7V ~ 16V) or dual supply (±2.7V ~ 8V) configurations. The MAX396CWI is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support.

Key Parameters

Parameter	Value
Multiplexer/Demultiplexer Circuit	16:1
Number of Circuits	1
On-State Resistance (Max)	100Ohm
Channel-to-Channel Matching (ΔRon)	1.8Ohm
Voltage - Supply, Single (V+)	2.7V ~ 16V
Voltage - Supply, Dual (V±)	±2.7V ~ 8V
Switch Time (Ton, Toff) (Max)	150ns, 150ns
Charge Injection	2pC
Channel Capacitance (CS(off), CD(off))	11pF, 80pF
Current - Leakage (IS(off)) (Max)	100pA
Crosstalk	-92dB @ 100kHz
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	28-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution for the MAX396CWI is determined by the following critical parameters:

Multiplexer Configuration: 16:1 topology (mandatory match)
On-State Resistance: 100Ohm maximum (defines signal path impedance)
Package: 28-SOIC form factor (physical and electrical compatibility)
Supply Voltage Range: Compatibility with 2.7V ~ 16V single supply or ±2.7V ~ 8V dual supply
Switch Timing: Maximum switching times of 150ns for both Ton and Toff
Leakage Current: Maximum 100pA specification
Charge Injection: 2pC specification

Substitute parts are grouped into two categories:

Direct Equivalent (Same Manufacturer): MAX396CWI+ maintains identical electrical specifications with improved product status (Active vs. Obsolete) and enhanced RoHS compliance.

Cross-Manufacturer Substitutes: DG406DYZ, DG406DYZ-T (Renesas), and DG506BEW-T1-GE3 (Vishay Siliconix) provide 16:1 multiplexer functionality in 28-SOIC packaging. These parts exhibit parameter variations that require design verification based on application requirements.

Parameter Comparison

Parameter	MAX396CWI	MAX396CWI+	DG406DYZ	DG406DYZ-T	DG506BEW-T1-GE3
Multiplexer/Demultiplexer Circuit	16:1	16:1	16:1	16:1	16:1
On-State Resistance (Max)	100Ohm	100Ohm	100Ohm	100Ohm	300Ohm
Channel-to-Channel Matching (ΔRon)	1.8Ohm	1.8Ohm	5Ohm	5Ohm	10Ohm
Voltage - Supply, Single (V+)	2.7V ~ 16V	2.7V ~ 16V	5V ~ 34V	5V ~ 34V	12V ~ 44V
Voltage - Supply, Dual (V±)	±2.7V ~ 8V	±2.7V ~ 8V	±5V ~ 20V	±5V ~ 20V	±5V ~ 20V
Switch Time Ton (Max)	150ns	150ns	200ns	200ns	250ns
Switch Time Toff (Max)	150ns	150ns	150ns	150ns	200ns
Charge Injection	2pC	2pC	40pC	40pC	1pC
Channel Capacitance CS(off)	11pF	11pF	8pF	8pF	3pF
Channel Capacitance CD(off)	80pF	80pF	160pF	160pF	13pF
Current - Leakage (IS(off)) (Max)	100pA	100pA	500pA	500pA	1nA
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Package / Case	28-SOIC	28-SOIC	28-SOIC	28-SOIC	28-SOIC
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MAX396CWI+ (Direct Equivalent)

The MAX396CWI+ is the primary substitute for the obsolete MAX396CWI. This part maintains identical electrical specifications and 28-SOIC packaging while offering Active product status and ROHS3 compliance. The MAX396CWI+ is suitable for direct replacement in existing designs without circuit modification. Tube packaging is available.

DG406DYZ and DG406DYZ-T (Renesas Electronics)

The DG406DYZ and DG406DYZ-T are functionally equivalent 16:1 multiplexers with 100Ohm on-state resistance in 28-SOIC packaging. These parts support extended supply voltage ranges (5V ~ 34V single supply, ±5V ~ 20V dual supply) and wider operating temperature (-40°C ~ 85°C). Parameter deviations include increased channel-to-channel matching (5Ohm vs. 1.8Ohm), higher charge injection (40pC vs. 2pC), and increased leakage current (500pA vs. 100pA). These characteristics may impact precision analog applications. Both parts are ROHS3 compliant and Active. DG406DYZ-T offers higher inventory availability in Cut Tape and Digi-Reel packaging.

DG506BEW-T1-GE3 (Vishay Siliconix)

The DG506BEW-T1-GE3 is a 16:1 multiplexer with 300Ohm on-state resistance, representing a significant impedance increase from the MAX396CWI specification. This part is suitable only for applications where higher on-state resistance is acceptable. The DG506BEW-T1-GE3 offers superior performance in charge injection (1pC), lower channel capacitance, and extended operating temperature range (-40°C ~ 125°C). ROHS3 compliant and Active status. Tape & Reel packaging available.

Frequently Asked Questions (FAQ)

Q: Can MAX396CWI+ be used as a direct replacement for MAX396CWI?

A: Yes. The MAX396CWI+ maintains identical electrical specifications, 28-SOIC package, and pin configuration. The primary differences are Active product status and ROHS3 compliance, making it a direct substitute without circuit modification.

Q: What are the key differences between MAX396CWI and DG406DYZ?

A: Both are 16:1 multiplexers in 28-SOIC packages with 100Ohm on-state resistance. DG406DYZ exhibits higher channel-to-channel matching tolerance (5Ohm vs. 1.8Ohm), increased charge injection (40pC vs. 2pC), higher leakage current (500pA vs. 100pA), and supports extended supply voltage ranges. DG406DYZ operates across -40°C ~ 85°C versus 0°C ~ 70°C for MAX396CWI.

Q: Is DG506BEW-T1-GE3 compatible with MAX396CWI applications?

A: DG506BEW-T1-GE3 is a 16:1 multiplexer in 28-SOIC packaging but features 300Ohm on-state resistance, three times higher than MAX396CWI. Compatibility depends on application signal path impedance requirements. Higher on-state resistance may introduce signal attenuation and increased noise in precision analog circuits.

Q: What packaging options are available for substitute parts?

A: MAX396CWI+ is supplied in Tube packaging. DG406DYZ is available in Tube packaging. DG406DYZ-T is supplied in Cut Tape and Digi-Reel formats. DG506BEW-T1-GE3 is available in Tape & Reel packaging.

Q: Are all substitute parts RoHS compliant?

A: MAX396CWI is RoHS non-compliant. All substitute parts (MAX396CWI+, DG406DYZ, DG406DYZ-T, DG506BEW-T1-GE3) are ROHS3 compliant.

Q: Which substitute part offers the widest operating temperature range?

A: DG506BEW-T1-GE3 supports -40°C ~ 125°C operating temperature, the widest range among all listed parts. MAX396CWI and MAX396CWI+ are limited to 0°C ~ 70°C.

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