MAX4615CUD Equivalent & Substitute Parts

Part Overview

The MAX4615CUD is a 4-circuit IC switch with SPST-NC (Single Pole Single Throw - Normally Closed) configuration, designed for interface applications requiring low on-state resistance and high-speed switching. This component features a 10Ohm maximum on-state resistance and operates across a 2V to 5.5V single supply voltage range. The part is currently classified as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc./Maxim Integrated
Base Product Number	MAX4615
Switch Circuit Configuration	SPST - NC
Number of Circuits	4
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	0°C ~ 70°C (TA)
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4615CUD is determined by strict equivalence across the following critical parameters:

Switch circuit configuration (SPST - NC)
Number of circuits (4)
On-state resistance maximum (10Ohm)
Channel-to-channel matching tolerance (200mOhm)
Supply voltage range (2V ~ 5.5V single supply)
Switch timing specifications (Ton, Toff)
Bandwidth performance (-3dB Bandwidth: 70MHz)
Charge injection characteristics (6.5pC)
Channel capacitance values (5pF, 5pF)
Leakage current specification (1nA max)
Crosstalk performance (-96dB @ 100kHz)
Operating temperature range (0°C ~ 70°C)
Package type (14-TSSOP surface mount)

Only parts matching all these parameters across the same base product family are classified as direct substitutes.

Parameter Comparison

Parameter	MAX4615CUD (Main Part)	MAX4615CUD+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Base Product Number	MAX4615	MAX4615
Switch Circuit	SPST - NC	SPST - NC
Number of Circuits	4	4
On-State Resistance (Max)	10Ohm	10Ohm
Channel-to-Channel Matching (ΔRon)	200mOhm	200mOhm
Voltage - Supply, Single (V+)	2V ~ 5.5V	2V ~ 5.5V
Switch Time (Ton, Toff) (Max)	12ns, 10ns	12ns, 10ns
-3dB Bandwidth	70MHz	70MHz
Charge Injection	6.5pC	6.5pC
Channel Capacitance (CS(off), CD(off))	5pF, 5pF	5pF, 5pF
Current - Leakage (IS(off)) (Max)	1nA	1nA
Crosstalk	-96dB @ 100kHz	-96dB @ 100kHz
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Package / Case	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

The MAX4615CUD+ serves as the direct substitute for the obsolete MAX4615CUD. Both parts maintain identical electrical and mechanical specifications across all critical parameters. The primary distinction lies in product lifecycle status and regulatory compliance:

The MAX4615CUD is classified as obsolete, presenting supply chain risk for new procurements and long-term system support. The MAX4615CUD+ is an active product with current manufacturing availability, ensuring supply continuity.

From a compliance perspective, the MAX4615CUD+ achieves ROHS3 compliance, whereas the original MAX4615CUD is RoHS non-compliant. For applications subject to RoHS directives or environmental regulations, the MAX4615CUD+ is the appropriate selection. Both parts maintain identical REACH and ECCN classifications.

Electrical performance is fully equivalent between the two parts. Pin configuration, package footprint, and thermal characteristics remain unchanged, enabling direct board-level substitution without design modification.

Frequently Asked Questions (FAQ)

Q: Can MAX4615CUD+ be used as a direct replacement for MAX4615CUD in existing designs?

A: Yes. The MAX4615CUD+ is electrically and mechanically identical to the MAX4615CUD. All electrical parameters, switch characteristics, timing specifications, and package dimensions are equivalent. Direct substitution is possible without circuit redesign or PCB layout modification.

Q: What is the primary reason to transition from MAX4615CUD to MAX4615CUD+?

A: The MAX4615CUD is obsolete, creating supply chain uncertainty. The MAX4615CUD+ is an active product with current manufacturing support. Additionally, the MAX4615CUD+ achieves ROHS3 compliance, addressing regulatory requirements for new applications and markets with environmental restrictions.

Q: Are the packaging specifications identical between MAX4615CUD and MAX4615CUD+?

A: Yes. Both parts use 14-TSSOP surface mount packaging with identical dimensions (0.173" width, 4.40mm). The only packaging difference is the supplier device package designation: MAX4615CUD uses standard packaging, while MAX4615CUD+ is supplied in tube packaging. This does not affect electrical performance or board-level compatibility.

Q: Do the electrical specifications differ between these parts?

A: No. On-state resistance, switch timing, bandwidth, charge injection, capacitance, leakage current, crosstalk, and all other electrical parameters are identical. Both parts operate across the same 2V to 5.5V supply range and 0°C to 70°C temperature range.

Q: Is there any performance difference in switching speed or signal integrity?

A: No. Switch time (Ton, Toff), -3dB bandwidth, charge injection, and crosstalk specifications are identical. Signal integrity performance in high-speed switching applications remains unchanged.

Q: What compliance certifications apply to both parts?

A: Both MAX4615CUD and MAX4615CUD+ maintain identical REACH and ECCN (EAR99) classifications. The key compliance difference is RoHS status: MAX4615CUD is RoHS non-compliant, while MAX4615CUD+ is ROHS3 compliant.

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