MAX4614ESD Equivalent & Substitute Parts

Part Overview

The MAX4614ESD is a 4-circuit SPST-NO analog switch IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 14-SOIC package. This component features a 10Ohm on-state resistance and operates across a 2V to 5.5V single supply voltage range. The MAX4614ESD is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current RoHS3 compliance standards and active product status where possible.

Key Parameters

Parameter	MAX4614ESD
Switch Circuit Configuration	SPST - NO
Number of Circuits	4
Multiplexer/Demultiplexer Circuit	1:1
On-State Resistance (Max)	10Ohm
Channel-to-Channel Matching (ΔRon)	200mOhm
Voltage - Supply, Single (V+)	2V ~ 5.5V
Switch Time (Ton, Toff) (Max)	12ns, 10ns
-3dB Bandwidth	70MHz
Charge Injection	6.5pC
Channel Capacitance (CS(off), CD(off))	5pF, 5pF
Current - Leakage (IS(off)) (Max)	1nA
Crosstalk	-96dB @ 100kHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Switch Circuit Configuration: Must be SPST - NO
Number of Circuits: Must be 4
Multiplexer/Demultiplexer Circuit: Must be 1:1
Package / Case: Must be 14-SOIC (0.154", 3.90mm Width)
On-State Resistance (Max): Primary electrical criterion; lower or equal values ensure functional compatibility
Voltage - Supply, Single (V+): Supply range must encompass or exceed the 2V ~ 5.5V requirement
Operating Temperature: Must support -40°C ~ 85°C minimum

Substitute parts are grouped into two categories:

Category A - Direct Electrical Equivalents (10Ohm On-State Resistance):

MAX4614ESD+ (Active, RoHS3 Compliant)
74LVC4066D,118 (Active, RoHS3 Compliant, extended supply range 1.65V ~ 5.5V)

Category B - Functional Substitutes (Higher On-State Resistance, Acceptable for Most Applications):

74HC4066D,653 (95Ohm, Active, RoHS3 Compliant)
74HCT4066D,118 (20Ohm, Active, RoHS3 Compliant)
74HCT4066D-Q100,11 (20Ohm, Automotive Grade, AEC-Q100 Qualified)
74LV4066D,118 (35Ohm, Active, RoHS3 Compliant, extended supply range 1V ~ 6V)
D24066QM96G4Q1 (95Ohm, Last Time Buy, Automotive Grade, AEC-Q100 Qualified)
HEF4066BT,653 (155Ohm, Active, RoHS3 Compliant, extended supply range 3V ~ 15V)
SN74AHC4066D (75Ohm, Last Time Buy, RoHS3 Compliant)
SN74AHC4066DR (75Ohm, Last Time Buy, RoHS3 Compliant)

Parameter Comparison

Part Number	Manufacturer	On-State Resistance (Max)	Voltage - Supply, Single (V+)	Switch Time Ton/Toff (Max)	-3dB Bandwidth	Operating Temperature	Product Status	RoHS Status
MAX4614ESD	Analog Devices Inc./Maxim Integrated	10Ohm	2V ~ 5.5V	12ns, 10ns	70MHz	-40°C ~ 85°C	Obsolete	RoHS non-compliant
MAX4614ESD+	Analog Devices Inc./Maxim Integrated	10Ohm	2V ~ 5.5V	12ns, 10ns	70MHz	-40°C ~ 85°C	Active	ROHS3 Compliant
74HC4066D,653	Nexperia USA Inc.	95Ohm	2V ~ 10V	30ns, 20ns	200MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
74HCT4066D,118	Nexperia USA Inc.	20Ohm (Typ)	4.5V ~ 5.5V	44ns, 30ns	200MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
74HCT4066D-Q100,11	Nexperia USA Inc.	20Ohm (Typ)	4.5V ~ 5.5V	44ns, 30ns	200MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
74LV4066D,118	Nexperia USA Inc.	35Ohm	1V ~ 6V	16ns, 28ns	200MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVC4066D,118	Nexperia USA Inc.	10Ohm	1.65V ~ 5.5V	3.9ns, 5ns	500MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
D24066QM96G4Q1	Texas Instruments	95Ohm	4.5V ~ 5.5V	24ns, 35ns	200MHz	-40°C ~ 125°C	Last Time Buy	ROHS3 Compliant
HEF4066BT,653	Nexperia USA Inc.	155Ohm	3V ~ 15V	-	90MHz	-40°C ~ 125°C	Active	ROHS3 Compliant
SN74AHC4066D	Texas Instruments	75Ohm	2V ~ 5.5V	12ns, 12ns	50MHz	-40°C ~ 85°C	Last Time Buy	ROHS3 Compliant
SN74AHC4066DR	Texas Instruments	75Ohm	2V ~ 5.5V	12ns, 12ns	50MHz	-40°C ~ 85°C	Last Time Buy	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance): MAX4614ESD+ is the primary direct substitute. It maintains identical on-state resistance (10Ohm), supply voltage range (2V ~ 5.5V), and switching characteristics while offering Active product status and RoHS3 compliance. This part is recommended for designs requiring no circuit modifications.

For Low-Resistance Applications (10Ohm Requirement): 74LVC4066D,118 provides 10Ohm on-state resistance with superior performance characteristics: faster switching times (3.9ns/5ns vs. 12ns/10ns), higher bandwidth (500MHz vs. 70MHz), and extended supply range (1.65V ~ 5.5V). This part is suitable for high-speed signal switching applications and offers extended operating temperature range (-40°C ~ 125°C).

For General-Purpose Switching (Moderate Resistance Tolerance): 74HCT4066D,118 and 74HCT4066D-Q100,11 offer 20Ohm typical on-state resistance with Active status and RoHS3 compliance. The Q100 variant includes AEC-Q100 automotive qualification for applications requiring automotive-grade components.

For Extended Supply Voltage Range: 74LV4066D,118 (1V ~ 6V) and HEF4066BT,653 (3V ~ 15V) accommodate wider supply voltage specifications. HEF4066BT,653 is suitable for applications requiring operation above 5.5V, though its 155Ohm on-state resistance limits use to low-current switching scenarios.

For Automotive Applications: 74HCT4066D-Q100,11 and D24066QM96G4Q1 carry AEC-Q100 qualification and automotive-grade designation, meeting automotive reliability standards.

Parts Approaching End-of-Life: SN74AHC4066D, SN74AHC4066DR, and D24066QM96G4Q1 are classified as Last Time Buy. These parts remain available but should not be selected for new long-term production designs.

Frequently Asked Questions (FAQ)

Q: Can 74LVC4066D,118 replace MAX4614ESD in all applications? A: Yes, for applications operating within the 2V ~ 5.5V supply range. The 74LVC4066D,118 provides superior performance with faster switching times and higher bandwidth. The extended supply range (1.65V ~ 5.5V) offers additional design flexibility. Both parts maintain 10Ohm on-state resistance and identical package configuration.

Q: What is the impact of higher on-state resistance in substitute parts? A: On-state resistance directly affects signal attenuation and power dissipation. Parts with higher resistance (74HC4066D,653 at 95Ohm, HEF4066BT,653 at 155Ohm) are suitable for high-impedance signal switching but unsuitable for low-impedance or high-current applications. Selection depends on circuit impedance requirements and acceptable signal loss.

Q: Are all substitute parts RoHS3 compliant? A: All recommended substitute parts are RoHS3 compliant. The original MAX4614ESD is RoHS non-compliant. For applications requiring RoHS compliance, MAX4614ESD+ or any listed substitute part is acceptable.

Q: Can I use parts with different operating temperature ranges? A: The MAX4614ESD operates -40°C ~ 85°C. Most substitute parts extend this to -40°C ~ 125°C, which is backward compatible. If your application requires operation only to 85°C, parts with extended temperature ranges present no limitation. Verify your specific temperature requirements before selection.

Q: What is the difference between 74HCT4066D,118 and 74HCT4066D-Q100,11? A: Both parts are electrically identical with 20Ohm typical on-state resistance and identical switching characteristics. The Q100 variant includes AEC-Q100 automotive qualification and automotive-grade designation. Select the Q100 variant only if automotive qualification is required.

Q: Is the 14-SOIC package identical across all substitute parts? A: Yes. All parts use 14-SOIC (0.154", 3.90mm Width) package configuration, ensuring direct PCB footprint compatibility. Packaging variants (Tube, Cut Tape, Tape & Reel) affect supply and handling but not electrical or mechanical fit.

Q: Why is MAX4614ESD classified as obsolete? A: Obsolete status indicates the manufacturer has discontinued production. MAX4614ESD+ is the active replacement, maintaining identical specifications while meeting current compliance standards. For new designs, MAX4614ESD+ or alternative substitutes are required.

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