MAX4680CPE+ Equivalent & Substitute Parts

Part Overview

The MAX4680CPE+ is a 2-circuit IC switch manufactured by Analog Devices Inc./Maxim Integrated, configured as a SPST-NC (Single Pole Single Throw - Normally Closed) device with 1.25Ohm on-state resistance. This component operates across a wide supply voltage range (4.5V to 36V single supply, or ±4.5V to ±20V dual supply) and is housed in a 16-PDIP through-hole package. The device is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Identifying 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	Specification
Manufacturer Part Number	MAX4680CPE+
Manufacturer	Analog Devices Inc./Maxim Integrated
Switch Circuit Configuration	SPST - NC
Number of Circuits	2
Multiplexer/Demultiplexer Circuit	1:1
On-State Resistance (Max)	1.25Ohm
Channel-to-Channel Matching (ΔRon)	90mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	275ns, 175ns
Charge Injection	55pC
Channel Capacitance (CS(off), CD(off))	115pF, 115pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-65dB @ 1MHz
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the MAX4680CPE+ is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define substitutability:

Switch circuit configuration (SPST - NC topology)
Number of circuits (2 independent circuits)
Multiplexer/demultiplexer ratio (1:1)
On-state resistance maximum (1.25Ohm)
Channel-to-channel matching tolerance (90mOhm)
Supply voltage ranges (4.5V ~ 36V single; ±4.5V ~ 20V dual)
Switch timing specifications (Ton 275ns max, Toff 175ns max)
Charge injection (55pC)
Channel capacitance values (115pF off-state)
Leakage current specification (500pA max)
Crosstalk performance (-65dB @ 1MHz)
Operating temperature range (0°C ~ 70°C)
Package type (16-DIP through-hole)
Compliance certifications (RoHS3, REACH Unaffected)

Based on the provided input data, the MAX4680CPE+ is listed as its own direct equivalent with identical specifications across all parameters.

Parameter Comparison

Parameter	MAX4680CPE+
Manufacturer	Analog Devices Inc./Maxim Integrated
Switch Circuit	SPST - NC
Number of Circuits	2
On-State Resistance (Max)	1.25Ohm
Channel-to-Channel Matching (ΔRon)	90mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	275ns, 175ns
Charge Injection	55pC
Channel Capacitance (CS(off), CD(off))	115pF, 115pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-65dB @ 1MHz
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Engineering Selection Recommendations

The MAX4680CPE+ maintains active product status with full RoHS3 compliance and REACH unaffected classification, confirming its suitability for current design implementations. The device carries MSL Level 1 (Unlimited) moisture sensitivity rating, indicating no special storage or handling requirements. Selection of this component is appropriate for applications requiring dual-circuit SPST-NC switching with low on-state resistance and wide supply voltage compatibility. The through-hole 16-DIP package format supports both prototype and production-level PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: What defines electrical equivalence for the MAX4680CPE+?

A: Electrical equivalence requires matching switch circuit topology (SPST-NC), identical on-state resistance (1.25Ohm maximum), matching channel-to-channel resistance tolerance (90mOhm), identical supply voltage ranges (4.5V to 36V single or ±4.5V to ±20V dual), and equivalent switching time specifications (275ns Ton, 175ns Toff maximum).

Q: Are there package alternatives for the MAX4680CPE+?

A: The MAX4680CPE+ is specified in 16-DIP through-hole package format (0.300", 7.62mm). Substitution requires identical package type and pin configuration to ensure PCB compatibility without layout modifications.

Q: What compliance certifications apply to this component?

A: The MAX4680CPE+ is RoHS3 compliant and REACH unaffected. These certifications confirm environmental and regulatory compliance for industrial and commercial applications.

Q: How does channel-to-channel matching affect substitution?

A: Channel-to-channel matching (ΔRon) of 90mOhm specifies the maximum resistance variation between the two independent circuits. Substitute parts must maintain this tolerance to ensure balanced performance in dual-channel switching applications.

Q: What is the significance of the 55pC charge injection specification?

A: Charge injection of 55pC indicates the amount of charge transferred during switch transitions. This parameter is critical for precision analog switching applications where signal integrity and minimal distortion are required. Substitute parts must match this specification.

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