MAX4541CUA-T Equivalent & Substitute Parts

Part Overview

The MAX4541CUA-T is a 2-circuit IC switch with SPST-NO (Single Pole Single Throw - Normally Open) configuration, designed for signal routing and switching applications. This component features 60Ohm on-state resistance and operates across a 2.7V to 12V supply range in an 8-uMAX/uSOP surface mount package.

The MAX4541CUA-T carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for applications currently utilizing this component.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO
Number of Circuits	2
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	60Ohm
Channel-to-Channel Matching (ΔRon)	800mOhm
Supply Voltage Range (Single)	2.7V ~ 12V
Switch Time - Ton (Max)	100ns
Switch Time - Toff (Max)	75ns
Charge Injection	1pC
Channel Capacitance (CS(off), CD(off))	8pF, 8pF
Current - Leakage (IS(off)) (Max)	100pA
Crosstalk	-90dB @ 1MHz
Operating Temperature Range	0°C ~ 70°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4541CUA-T is determined by strict equivalence across the following critical parameters:

Switch circuit topology: SPST - NO configuration
Circuit count and multiplexer ratio: 2 circuits, 1:1 configuration
Electrical performance: 60Ohm maximum on-state resistance, 800mOhm channel-to-channel matching, 100ns/75ns switching times
Signal integrity: 1pC charge injection, 8pF channel capacitance, -90dB crosstalk at 1MHz
Supply voltage compatibility: 2.7V to 12V single supply operation
Leakage current specification: 100pA maximum
Package and mounting: 8-uMAX/uSOP surface mount package with 0.118" (3.00mm) width

The MAX4541CUA+T qualifies as a direct substitute based on identical electrical specifications and functional characteristics across all parameters listed above.

Parameter Comparison

Parameter	MAX4541CUA-T (Main Part)	MAX4541CUA+T (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Switch Circuit	SPST - NO	SPST - NO
Number of Circuits	2	2
Multiplexer/Demultiplexer Configuration	1:1	1:1
On-State Resistance (Max)	60Ohm	60Ohm
Channel-to-Channel Matching (ΔRon)	800mOhm	800mOhm
Supply Voltage Range (Single)	2.7V ~ 12V	2.7V ~ 12V
Switch Time - Ton (Max)	100ns	100ns
Switch Time - Toff (Max)	75ns	75ns
Charge Injection	1pC	1pC
Channel Capacitance (CS(off), CD(off))	8pF, 8pF	8pF, 8pF
Current - Leakage (IS(off)) (Max)	100pA	100pA
Crosstalk	-90dB @ 1MHz	-90dB @ 1MHz
Operating Temperature Range	0°C ~ 70°C	0°C ~ 70°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
Packaging Type	Tube	Tape & Reel (TR)
RoHS Status	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

The MAX4541CUA+T is the direct functional equivalent of the MAX4541CUA-T. Both parts share identical electrical specifications, switching characteristics, and package geometry, ensuring pin-for-pin and functional compatibility.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX4541CUA-T is classified as Obsolete, while the MAX4541CUA+T maintains Active product status with current manufacturing support. Additionally, the MAX4541CUA+T carries ROHS3 compliance certification, whereas the MAX4541CUA-T is RoHS non-compliant.

For new designs or production transitions, the MAX4541CUA+T is the appropriate selection. For existing applications currently using the MAX4541CUA-T, the MAX4541CUA+T provides seamless substitution without circuit redesign or performance compromise.

Frequently Asked Questions (FAQ)

Q: Are MAX4541CUA-T and MAX4541CUA+T electrically identical?

A: Yes. Both parts feature identical on-state resistance (60Ohm), switching times (100ns/75ns), charge injection (1pC), channel capacitance (8pF), leakage current (100pA), and crosstalk performance (-90dB @ 1MHz). They operate across the same supply voltage range (2.7V to 12V) and temperature range (0°C to 70°C).

Q: Can MAX4541CUA+T replace MAX4541CUA-T in existing designs?

A: Yes. The MAX4541CUA+T is a direct substitute. Both parts use the same 8-uMAX/uSOP package with identical pinout and mechanical dimensions (0.118" width, 3.00mm). No circuit modifications are required.

Q: What is the difference between the two part numbers?

A: The primary differences are product status and packaging format. MAX4541CUA-T is Obsolete and supplied in Tube packaging. MAX4541CUA+T is Active and supplied in Tape & Reel (TR) format. Additionally, MAX4541CUA+T carries ROHS3 compliance certification.

Q: Which part should be specified for new production?

A: The MAX4541CUA+T should be specified for new designs and production. It maintains active manufacturing status and regulatory compliance, ensuring long-term supply chain availability and support.

Q: Are there any performance differences between these parts?

A: No. All electrical and functional parameters are identical. Performance in signal routing, switching speed, leakage characteristics, and signal integrity is equivalent across both parts.

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