MAX4604ESE Equivalent & Substitute Parts

Part Overview

The MAX4604ESE 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 4Ohm on-state resistance and is housed in a 16-SOIC surface mount package. The MAX4604ESE is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. Active alternatives with comparable or enhanced electrical characteristics are available from Analog Devices to maintain design continuity.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NC
Number of Circuits	4
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	4Ohm
Channel-to-Channel Matching (ΔRon)	200mOhm
Supply Voltage - Single (V+)	4.5V ~ 36V
Supply Voltage - Dual (V±)	±4.5V ~ 20V
Switch Time (Ton/Toff Max)	120ns / 130ns
Charge Injection	225pC
Channel Capacitance (CS(off) / CD(off))	34pF / 34pF
Leakage Current (IS(off) Max)	500pA
Crosstalk	-60dB @ 1MHz
Operating Temperature	-40°C ~ 85°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MAX4604ESE is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Switch circuit type: SPST - NC
Number of circuits: 4
Multiplexer configuration: 1:1
Package type: 16-SOIC surface mount
Operating temperature range: -40°C ~ 85°C minimum

Secondary Compatibility Parameters:

On-state resistance (Ron): Must be equal to or lower than 4Ohm for direct drop-in replacement
Supply voltage compatibility: Must support the required voltage rails (single or dual supply)
Switch timing characteristics: Must meet or exceed speed requirements
Leakage current and crosstalk: Must meet or exceed performance specifications

Substitute parts are grouped into two categories:

Direct Equivalents - Identical electrical specifications with improved product status (active vs. obsolete) or enhanced RoHS compliance
Functional Alternatives - Different on-state resistance values (higher Ron) that maintain core switching functionality but require application-level verification for compatibility

Parameter Comparison

Part Number	Manufacturer	Product Status	Ron (Max)	ΔRon	V+ Supply	V± Supply	Ton/Toff (Max)	Charge Injection	IS(off) Max	Crosstalk	RoHS Status	Packaging
MAX4604ESE	Analog Devices	Obsolete	4Ohm	200mOhm	4.5V ~ 36V	±4.5V ~ 20V	120ns / 130ns	225pC	500pA	-60dB @ 1MHz	Non-compliant	16-SOIC
MAX4604ESE+	Analog Devices	Active	4Ohm	200mOhm	4.5V ~ 36V	±4.5V ~ 20V	120ns / 130ns	225pC	500pA	-60dB @ 1MHz	ROHS3 Compliant	16-SOIC (Tube)
ADG211AKRZ	Analog Devices	Active	115Ohm	5.75Ohm	15V	±15V	600ns / 450ns	20pC	5nA	-80dB @ 100kHz	ROHS3 Compliant	16-SOIC (Tube)
ADG211AKRZ-REEL	Analog Devices	Active	115Ohm	5.75Ohm	15V	±15V	600ns / 450ns	20pC	5nA	-80dB @ 100kHz	ROHS3 Compliant	16-SOIC (TR)
ADG211AKRZ-REEL7	Analog Devices	Active	115Ohm	5.75Ohm	15V	±15V	600ns / 450ns	20pC	5nA	-80dB @ 100kHz	ROHS3 Compliant	16-SOIC (TR)
ADG411BRZ	Analog Devices	Active	35Ohm	Not specified	12V	±15V	175ns / 145ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC (Tube)
ADG411BRZ-REEL	Analog Devices	Active	35Ohm	Not specified	12V	±15V	175ns / 145ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC (CT & Digi-Reel)
ADG411BRZ-REEL7	Analog Devices	Active	35Ohm	Not specified	12V	±15V	175ns / 145ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC (CT & Digi-Reel)
ADG431BRZ	Analog Devices	Active	24Ohm	1.2Ohm	12V	±15V	90ns / 60ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC (Tube)
ADG431BRZ-REEL	Analog Devices	Active	24Ohm	1.2Ohm	12V	±15V	90ns / 60ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC
ADG431BRZ-REEL7	Analog Devices	Active	24Ohm	1.2Ohm	12V	±15V	90ns / 60ns	5pC	250pA	-85dB @ 1MHz	ROHS3 Compliant	16-SOIC (CT & Digi-Reel)

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Recommended for New Designs):

MAX4604ESE+ is the primary substitute. It maintains identical electrical specifications to the obsolete MAX4604ESE while offering active product status and ROHS3 compliance. The only difference is packaging format (Tube vs. unspecified original). This part is suitable for direct PCB substitution without circuit modification.

Tier 2 - Functional Alternatives (Application-Dependent):

ADG431BRZ and ADG431BRZ-REEL7 provide improved performance characteristics with 24Ohm on-state resistance, faster switching times (90ns/60ns vs. 120ns/130ns), and superior crosstalk performance (-85dB @ 1MHz vs. -60dB @ 1MHz). These parts are compatible with 12V single supply and ±15V dual supply configurations. Circuit-level analysis is required to confirm Ron tolerance in the target application.

ADG411BRZ and ADG411BRZ-REEL7 offer 35Ohm on-state resistance with comparable switching speed and crosstalk performance to ADG431 variants. These are suitable for applications where higher Ron is acceptable.

ADG211AKRZ, ADG211AKRZ-REEL, and ADG211AKRZ-REEL7 feature 115Ohm on-state resistance and are intended for lower-speed, lower-current applications. These parts operate at fixed ±15V supply only and are not suitable for the wide supply voltage range of the original MAX4604ESE.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant and carry active product status, ensuring long-term availability and supply chain stability. The original MAX4604ESE is RoHS non-compliant and obsolete, making transition to an active alternative necessary for new production.

Frequently Asked Questions (FAQ)

Q: Can MAX4604ESE+ be used as a direct drop-in replacement for MAX4604ESE?

A: Yes. MAX4604ESE+ is electrically and functionally identical to MAX4604ESE. The only difference is packaging format (Tube) and product status (Active vs. Obsolete). No circuit modifications are required.

Q: What is the key difference between MAX4604ESE and ADG431BRZ?

A: The primary difference is on-state resistance: MAX4604ESE has 4Ohm Ron while ADG431BRZ has 24Ohm Ron. ADG431BRZ offers faster switching times and better crosstalk performance. Substitution requires circuit-level analysis to confirm Ron tolerance in your application.

Q: Are ADG211AKRZ variants suitable replacements for MAX4604ESE?

A: ADG211AKRZ variants are not recommended as direct replacements. They feature 115Ohm on-state resistance (significantly higher than 4Ohm) and operate only at fixed ±15V supply, whereas MAX4604ESE supports 4.5V to 36V single supply. These parts are intended for different application classes.

Q: What is the difference between ADG431BRZ, ADG431BRZ-REEL, and ADG431BRZ-REEL7?

A: All three variants have identical electrical specifications. The differences are packaging formats: ADG431BRZ is supplied in Tube, ADG431BRZ-REEL in standard Tape & Reel, and ADG431BRZ-REEL7 in Cut Tape & Digi-Reel format. Selection depends on procurement and assembly requirements.

Q: Is the 16-SOIC package identical across all substitute parts?

A: Yes. All substitute parts use the same 16-SOIC package (0.154", 3.90mm Width) with identical pinout and footprint. PCB layout compatibility is maintained across all listed alternatives.

Q: Why is RoHS compliance important for this substitution?

A: The original MAX4604ESE is RoHS non-compliant. Modern supply chains and regulatory requirements increasingly mandate RoHS3 compliance. All recommended substitutes are ROHS3 compliant, ensuring compliance with current environmental and procurement standards.

Q: Can I use ADG411BRZ instead of ADG431BRZ?

A: Both parts are functionally compatible with identical package and pin configuration. ADG411BRZ has 35Ohm Ron versus ADG431BRZ at 24Ohm Ron. Selection depends on your circuit's Ron tolerance requirements. ADG431BRZ offers better performance with lower resistance.

Q: What supply voltage range does each substitute support?

A: MAX4604ESE+ supports 4.5V to 36V single supply or ±4.5V to ±20V dual supply. ADG431BRZ, ADG411BRZ, and ADG211AKRZ variants support 12V single supply or ±15V dual supply. Confirm your application's voltage requirements before selection.

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