MAX305ESE+ Equivalent & Substitute Parts

Part Overview

The MAX305ESE+ is a 2-circuit IC switch with DPST-NO configuration manufactured by Analog Devices Inc./Maxim Integrated. This interface component operates as a 2:1 multiplexer/demultiplexer with 35Ohm on-state resistance and is housed in a 16-SOIC surface mount package. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and operational specifications to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Switch Circuit Configuration	DPST - NO
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	2
On-State Resistance (Max)	35Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm
Voltage - Supply, Single (V+)	10V ~ 30V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	150ns, 100ns
Charge Injection	10pC
Channel Capacitance (CS(off), CD(off))	12pF, 12pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-90dB @ 1MHz
Operating Temperature	0°C ~ 70°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)

Substitute Part Grouping Explanation

Substitute parts for the MAX305ESE+ are identified through strict parameter matching across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that determine functional equivalence:

Critical Matching Parameters:

Switch circuit configuration (DPST - NO)
Multiplexer/demultiplexer circuit topology (2:1)
Number of circuits (2)
On-state resistance maximum (35Ohm)
Channel-to-channel matching (500mOhm)
Supply voltage ranges (single and dual)
Switch timing characteristics (Ton, Toff)
Charge injection (10pC)
Channel capacitance values
Leakage current specifications
Crosstalk performance (-90dB @ 1MHz)
Operating temperature range (0°C ~ 70°C)
Package type (16-SOIC)
Compliance certifications (RoHS3, REACH Unaffected)

Parts meeting all these parameters are classified as direct substitutes and can be used interchangeably in circuit designs without modification.

Parameter Comparison

Parameter	MAX305ESE+	MAX305CSE+
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Category	Interface	Interface
Switch Circuit	DPST - NO	DPST - NO
Multiplexer/Demultiplexer Circuit	2:1	2:1
Number of Circuits	2	2
On-State Resistance (Max)	35Ohm	35Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm	500mOhm
Voltage - Supply, Single (V+)	10V ~ 30V	10V ~ 30V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	150ns, 100ns	150ns, 100ns
Charge Injection	10pC	10pC
Channel Capacitance (CS(off), CD(off))	12pF, 12pF	12pF, 12pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-90dB @ 1MHz	-90dB @ 1MHz
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°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

Both MAX305ESE+ and MAX305CSE+ are active production parts from Analog Devices Inc./Maxim Integrated with identical electrical and mechanical specifications. Selection between these parts is based on availability and inventory status rather than technical differentiation. Both parts carry ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for industrial and commercial applications. The 16-SOIC surface mount package is standard across both variants, ensuring PCB layout compatibility. Moisture sensitivity level 1 (unlimited) indicates no special handling requirements during storage or assembly.

Frequently Asked Questions (FAQ)

Q: Can MAX305CSE+ be used as a direct replacement for MAX305ESE+?

A: Yes. Both parts are parametrically equivalent across all electrical characteristics, switch configuration, timing specifications, and package dimensions. They are functionally interchangeable in circuit applications.

Q: What determines if a part is a valid substitute for MAX305ESE+?

A: Valid substitutes must match all critical parameters: DPST-NO switch configuration, 2:1 multiplexer topology, 35Ohm on-state resistance, identical supply voltage ranges, matching switch timing (150ns/100ns), 10pC charge injection, 12pF channel capacitance, 500pA leakage current, -90dB crosstalk performance, 0°C to 70°C operating temperature, and 16-SOIC package format.

Q: Are there any differences in RoHS or REACH compliance between MAX305ESE+ and MAX305CSE+?

A: No. Both parts are ROHS3 compliant and REACH Unaffected, meeting identical regulatory standards.

Q: Does the 16-SOIC package dimension differ between substitute parts?

A: No. Both parts use the same 16-SOIC package with 0.154" width (3.90mm), ensuring identical PCB footprint and assembly compatibility.

Q: What is the moisture sensitivity rating for these parts?

A: Both MAX305ESE+ and MAX305CSE+ carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions and no special handling requirements during storage or reflow assembly.

Q: Can these parts operate with both single and dual supply voltages?

A: Yes. Both parts support single supply operation (10V ~ 30V) and dual supply operation (±4.5V ~ 20V), providing design flexibility for different circuit topologies.

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