MAX383CSE Equivalent & Substitute Parts

Part Overview

The MAX383CSE is a 2-circuit SPDT (Single Pole Double Throw) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC surface mount package. This component functions as a 2:1 multiplexer/demultiplexer with 35Ohm on-state resistance, designed for signal routing and switching applications in analog circuits.

The MAX383CSE is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance of systems utilizing this component.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SPDT
Number of Circuits	2
Multiplexer/Demultiplexer Ratio	2:1
On-State Resistance (Max)	35Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm
Voltage Supply - Single (V+)	3V ~ 15V
Voltage Supply - Dual (V±)	±3V ~ 8V
Switch Time (Ton/Toff Max)	175ns / 100ns
Charge Injection	2pC
Channel Capacitance (CS(off) / CD(off))	12pF / 12pF
Current - Leakage (IS(off) Max)	200pA
Crosstalk	-90dB @ 1MHz
Operating Temperature	0°C ~ 70°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX383CSE is determined by the following critical parameters:

Functional Topology: Switch circuit type (SPDT) and circuit count (2) must match exactly
Multiplexer Configuration: 2:1 ratio must be maintained
Package Compatibility: 16-SOIC surface mount package is mandatory for PCB layout compatibility
Electrical Performance: On-state resistance, switching time, leakage current, and voltage supply ranges determine functional equivalence
Environmental Specifications: Operating temperature range and moisture sensitivity affect application suitability

Substitute parts are grouped into two categories:

Category 1 - Direct Electrical Equivalent: MAX383CSE+ (Analog Devices Inc./Maxim Integrated) maintains identical electrical specifications with improved RoHS3 compliance and active product status.

Category 2 - Functional Equivalent with Parameter Variance: DG403DYZ and DG403DYZ-T (Renesas Electronics Corporation) provide equivalent SPDT 2:1 switching functionality in the same 16-SOIC package but with modified electrical characteristics including higher on-state resistance (45Ohm), extended voltage supply range, and broader operating temperature range.

Parameter Comparison

Parameter	MAX383CSE (Main)	MAX383CSE+ (Direct Equivalent)	DG403DYZ / DG403DYZ-T (Functional Equivalent)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Renesas Electronics Corporation
Switch Circuit	SPDT	SPDT	SPDT
Number of Circuits	2	2	2
Multiplexer Ratio	2:1	2:1	2:1
On-State Resistance (Max)	35Ohm	35Ohm	45Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm	500mOhm	3Ohm
Voltage Supply - Single (V+)	3V ~ 15V	3V ~ 15V	5V ~ 34V
Voltage Supply - Dual (V±)	±3V ~ 8V	±3V ~ 8V	±5V ~ 17V
Switch Time Ton (Max)	175ns	175ns	150ns
Switch Time Toff (Max)	100ns	100ns	100ns
Charge Injection	2pC	2pC	60pC
Channel Capacitance (CS(off) / CD(off))	12pF / 12pF	12pF / 12pF	12pF / 12pF
Current - Leakage (IS(off) Max)	200pA	200pA	500pA
Crosstalk	-90dB @ 1MHz	-90dB @ 1MHz	-90dB @ 1MHz
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C
Package / Case	16-SOIC	16-SOIC	16-SOIC
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	RoHS3 Compliant	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

For Direct Replacement (Preferred)

MAX383CSE+ is the primary substitute for MAX383CSE. Both parts maintain identical electrical specifications, package configuration, and functional performance. MAX383CSE+ offers the advantage of active product status and RoHS3 compliance, making it suitable for new designs and ongoing production. The transition from MAX383CSE to MAX383CSE+ requires no circuit redesign or performance validation.

For Extended Operating Range Applications

DG403DYZ and DG403DYZ-T are suitable substitutes when applications require extended voltage supply ranges (5V ~ 34V single supply, ±5V ~ 17V dual supply) or broader operating temperature range (-40°C ~ 85°C). These Renesas parts maintain SPDT 2:1 switching topology and 16-SOIC packaging. Design integration requires evaluation of the following parameter differences: on-state resistance increases from 35Ohm to 45Ohm, charge injection increases from 2pC to 60pC, and leakage current increases from 200pA to 500pA. Both DG403DYZ variants are RoHS3 compliant and carry active product status.

Packaging Consideration

MAX383CSE+ is supplied in Tube packaging. DG403DYZ is supplied in Tube packaging. DG403DYZ-T is supplied in Cut Tape (CT) & Digi-Reel® packaging. Packaging selection should align with procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX383CSE+ be used as a direct drop-in replacement for MAX383CSE?

A: Yes. MAX383CSE+ is electrically and functionally identical to MAX383CSE. Both parts feature identical on-state resistance (35Ohm), switching times, charge injection, leakage current, and voltage supply specifications. The 16-SOIC package pinout is compatible. No circuit modifications are required.

Q: What are the key differences between MAX383CSE and DG403DYZ?

A: The primary differences are on-state resistance (35Ohm vs. 45Ohm), charge injection (2pC vs. 60pC), leakage current (200pA vs. 500pA), voltage supply ranges (3V~15V single vs. 5V~34V single), and operating temperature range (0°C~70°C vs. -40°C~85°C). Both maintain SPDT 2:1 switching topology and 16-SOIC packaging. DG403DYZ is suitable for applications requiring extended voltage and temperature ranges.

Q: Are DG403DYZ and DG403DYZ-T electrically identical?

A: Yes. DG403DYZ and DG403DYZ-T are electrically identical. The difference is packaging format: DG403DYZ is supplied in Tube, while DG403DYZ-T is supplied in Cut Tape (CT) & Digi-Reel®. Select based on assembly and procurement requirements.

Q: What is the impact of increased on-state resistance in DG403DYZ compared to MAX383CSE?

A: The DG403DYZ on-state resistance of 45Ohm (versus 35Ohm in MAX383CSE) results in higher voltage drop across the switch during signal transmission. For applications with low-impedance signal sources or where signal attenuation is critical, this 10Ohm increase may require circuit analysis to confirm acceptable performance.

Q: Does the higher charge injection of DG403DYZ affect signal integrity?

A: DG403DYZ charge injection is 60pC compared to 2pC in MAX383CSE. Charge injection represents capacitive coupling during switching transitions. In applications sensitive to transient distortion or requiring minimal signal feedthrough, the 30x increase in charge injection may require evaluation. Applications with high-impedance signal paths are more susceptible to charge injection effects.

Q: Are all substitute parts RoHS3 compliant?

A: MAX383CSE is RoHS non-compliant. MAX383CSE+ and both DG403DYZ variants are RoHS3 compliant. For applications subject to RoHS regulations or customer requirements, MAX383CSE+ or DG403DYZ variants are required.

Q: What is the moisture sensitivity difference between these parts?

A: MAX383CSE and MAX383CSE+ have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. DG403DYZ and DG403DYZ-T have MSL 3 (168 Hours), requiring controlled storage and handling within 168 hours of package opening. MSL 3 parts require desiccant packaging and may require baking before reflow soldering if storage limits are exceeded.

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