MAX4669ESE+ Equivalent & Substitute Parts

Part Overview

The MAX4669ESE+ is a 2-circuit IC switch manufactured by Analog Devices Inc./Maxim Integrated, configured as SPST (Single Pole Single Throw) with NO/NC (Normally Open/Normally Closed) capability. This component operates across a wide supply voltage range (4.5V to 36V single supply, or ±4.5V to ±20V dual supply) and features low on-state resistance of 2.5Ohm maximum. The device is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Finding equivalent parts is necessary when addressing supply chain constraints, regional availability, or specific procurement requirements while maintaining identical electrical and mechanical performance.

Key Parameters

Parameter	Value
Part Number	MAX4669ESE+
Manufacturer	Analog Devices Inc./Maxim Integrated
Switch Circuit Type	SPST - NO/NC
Number of Circuits	2
On-State Resistance (Max)	2.5Ohm
Channel-to-Channel Matching (ΔRon)	50mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ ±20V
Switch Time (Ton, Toff) (Max)	275ns, 175ns
Charge Injection	450pC
Channel Capacitance (CS(off), CD(off))	65pF, 65pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-66dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution for the MAX4669ESE+ is determined by strict equivalence across the following critical parameters:

Switch Configuration: SPST - NO/NC topology with 2 independent circuits
On-State Resistance: Maximum 2.5Ohm with channel-to-channel matching of 50mOhm
Supply Voltage Range: Single supply 4.5V to 36V or dual supply ±4.5V to ±20V
Switching Performance: Maximum switch times of 275ns (Ton) and 175ns (Toff)
Signal Integrity: Charge injection of 450pC, channel capacitance of 65pF per channel, crosstalk of -66dB @ 1MHz
Leakage Current: Maximum 500pA off-state leakage
Package: 16-SOIC surface mount form factor with 0.154" width (3.90mm)
Compliance: RoHS3 compliance and MSL 1 rating

Only components meeting all these specifications across electrical performance, thermal range, and physical packaging are considered direct equivalents.

Parameter Comparison

Parameter	MAX4669ESE+ (Main)	MAX4669ESE+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Switch Circuit Type	SPST - NO/NC	SPST - NO/NC
Number of Circuits	2	2
On-State Resistance (Max)	2.5Ohm	2.5Ohm
Channel-to-Channel Matching (ΔRon)	50mOhm	50mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ ±20V	±4.5V ~ ±20V
Switch Time (Ton, Toff) (Max)	275ns, 175ns	275ns, 175ns
Charge Injection	450pC	450pC
Channel Capacitance (CS(off), CD(off))	65pF, 65pF	65pF, 65pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-66dB @ 1MHz	-66dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)	16-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)
Product Status	Active	Active

Engineering Selection Recommendations

The MAX4669ESE+ is the direct equivalent part for this application. Both the main part and substitute designation reference the identical component from Analog Devices Inc./Maxim Integrated. Selection is based on:

Active product status ensuring continued availability and manufacturing support
Full RoHS3 compliance for regulatory adherence in restricted substance applications
MSL 1 rating providing unlimited shelf life without moisture bake-out requirements
16-SOIC surface mount packaging compatible with standard PCB assembly processes
Complete electrical specification match across all switching, timing, and signal integrity parameters

No alternative manufacturers or part variants meet the combined electrical and mechanical requirements specified for this component category.

Frequently Asked Questions (FAQ)

Q: Can the MAX4669ESE+ be substituted with other Maxim Integrated switch ICs?

A: Only components with identical electrical specifications across all parameters listed in the Key Parameters table qualify as substitutes. Different switch configurations, resistance values, or package types are not interchangeable.

Q: What determines if a part is a true equivalent for the MAX4669ESE+?

A: True equivalence requires matching all critical parameters: SPST - NO/NC configuration, 2-circuit topology, 2.5Ohm on-state resistance, 50mOhm channel matching, 4.5V to 36V single supply range, ±4.5V to ±20V dual supply range, 275ns/175ns switching times, 450pC charge injection, 65pF channel capacitance, 500pA maximum leakage, -66dB crosstalk, and 16-SOIC package form factor.

Q: Is the 16-SOIC package critical for substitution?

A: Yes. The 16-SOIC (0.154", 3.90mm width) surface mount package is a mandatory requirement. Alternative packages such as DIP or different SOIC widths are not compatible with the original PCB layout and assembly specifications.

Q: Does the MAX4669ESE+ meet current industry compliance standards?

A: The component is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for restricted substance control in electronic components.

Q: What is the significance of MSL 1 rating for this component?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture exposure concerns. The component does not require moisture bake-out procedures prior to soldering, simplifying inventory management and assembly logistics.

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