MAX4632ESE+ Equivalent & Substitute Parts

Part Overview

The MAX4632ESE+ is a 2-circuit SPDT (Single Pole Double Throw) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This interface component operates as a 2:1 multiplexer/demultiplexer with 85Ohm on-state resistance and is housed in a 16-SOIC surface mount package. The device is actively produced and ROHS3 compliant, making it suitable for modern electronic applications requiring analog signal switching with low on-state resistance and minimal crosstalk performance.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for production optimization, or when design specifications allow for functionally compatible alternatives with different electrical characteristics.

Substiute Parts

MAX4632ESE+

Analog Devices Inc./Maxim IntegratedIn Stock: 708MAX4632ESE+ Datasheet

Current PartRFQ

MAX4632ESE+

Analog Devices Inc./Maxim IntegratedIn Stock: 708MAX4632ESE+ Datasheet

DirectRFQ

DG403BDY-E3

Vishay SiliconixIn Stock: 2011DG403BDY-E3 Datasheet

MFR RecommendedRFQ

DG403BDY-T1-E3

Vishay SiliconixIn Stock: 7894DG403BDY-T1-E3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4632ESE+ is determined by the following critical parameters:

Primary Substitution Criteria:

• Package compatibility: 16-SOIC surface mount form factor
• Operating temperature range: -40°C ~ 85°C
• Supply voltage overlap: Single supply 9V ~ 36V or dual supply ±4.5V ~ 18V
• Switch time performance: Maximum 150ns turn-on, 100ns turn-off
• Leakage current specification: 500pA maximum

Secondary Compatibility Factors:

• On-state resistance and channel matching characteristics
• Crosstalk performance at 1MHz
• Charge injection and capacitance parameters
• Compliance certifications (ROHS3, REACH, MSL rating)

The substitute parts listed (DG403BDY-E3 and DG403BDY-T1-E3) share the identical 16-SOIC package, operating temperature range, and core switching performance specifications. However, these alternatives differ in circuit configuration (4 SPST circuits versus 2 SPDT circuits), on-state resistance (45Ohm versus 85Ohm), and supply voltage ranges, requiring design-level evaluation for functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

MAX4632ESE+ (Direct Equivalent): The MAX4632ESE+ remains the primary selection when exact functional and electrical specifications are required. This part is actively produced, maintains full ROHS3 compliance, and carries MSL Level 1 rating. Inventory availability is confirmed at 683 pieces in new original condition.

DG403BDY-E3 (Tube Packaging Alternative): The DG403BDY-E3 is suitable for applications where circuit topology can accommodate 4 independent SPST switches instead of 2 SPDT switches. This part offers superior crosstalk performance (-94.8dB versus -66dB) and lower on-state resistance (45Ohm versus 85Ohm). The minimum supply voltage requirement increases from 9V to 13V for single supply operation. Inventory availability is 1959 pieces in tube packaging format.

DG403BDY-T1-E3 (Tape & Reel Packaging Alternative): The DG403BDY-T1-E3 provides identical electrical specifications to the DG403BDY-E3 with Tape & Reel packaging format optimized for automated assembly processes. This configuration is appropriate for high-volume production environments. Inventory availability is 7800 pieces, the highest among all listed alternatives.

All three parts maintain active product status, ROHS3 compliance, and MSL Level 1 rating, ensuring compatibility with modern manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can DG403BDY-E3 or DG403BDY-T1-E3 directly replace MAX4632ESE+ in existing designs?

A: Direct replacement requires circuit topology evaluation. The MAX4632ESE+ provides 2 SPDT switches (2:1 multiplexer configuration), while DG403BDY variants provide 4 SPST switches (1:1 configuration). Functional compatibility depends on whether the application can utilize the different switch architecture and whether the lower minimum supply voltage (13V versus 9V) is acceptable.

Q: What are the key electrical differences between these parts?

A: On-state resistance differs significantly: MAX4632ESE+ specifies 85Ohm maximum with 3Ohm channel matching, while DG403BDY variants specify 45Ohm maximum. Charge injection is substantially higher in DG403BDY parts (60pC versus 5pC). Crosstalk performance favors DG403BDY variants (-94.8dB versus -66dB at 1MHz). Supply voltage ranges differ: MAX4632ESE+ operates from 9V single supply, while DG403BDY variants require minimum 13V single supply.

Q: Are packaging format differences significant for component selection?

A: Yes. MAX4632ESE+ and DG403BDY-E3 are supplied in Tube packaging suitable for manual handling and lower-volume assembly. DG403BDY-T1-E3 is supplied in Tape & Reel format optimized for automated pick-and-place equipment. Packaging selection should align with production assembly methodology and volume requirements.

Q: Do all parts meet current compliance and environmental standards?

A: All three parts are ROHS3 compliant, carry MSL Level 1 (Unlimited) moisture sensitivity rating, and maintain active product status. REACH compliance status is unaffected for all parts. All parts are classified under ECCN EAR99 and HTSUS 8542.39.0001.

Q: Which part should be selected for new designs?

A: For new designs, part selection depends on circuit requirements. If 2 SPDT switches with 85Ohm on-state resistance and 9V minimum supply voltage are required, MAX4632ESE+ is the appropriate choice. If 4 SPST switches with lower on-state resistance and superior crosstalk performance are acceptable, DG403BDY variants offer advantages. Production volume and assembly automation capabilities should guide packaging format selection between Tube and Tape & Reel options.