MAX4676EUT+ Equivalent & Substitute Parts

Part Overview

The MAX4676EUT+ is a single-circuit SPST-NC (Single Pole Single Throw - Normally Closed) analog switch manufactured by Analog Devices Inc./Maxim Integrated. This interface component operates as a 1:1 multiplexer/demultiplexer with a maximum on-state resistance of 3Ohm in a SOT-23-6 surface mount package. The device is currently in active production status with 1007 pieces available in new original inventory. Alternative equivalent parts are identified based on matching electrical specifications, mechanical compatibility, and compliance certifications to support component procurement flexibility and supply chain continuity.

Substiute Parts

MAX4676EUT+

Analog Devices Inc./Maxim IntegratedIn Stock: 1026MAX4676EUT+ Datasheet

Current PartRFQ

MAX4676EUT+

Analog Devices Inc./Maxim IntegratedIn Stock: 1026MAX4676EUT+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4676EUT+ is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Switch circuit configuration: SPST - NC topology
• Multiplexer/demultiplexer circuit: 1:1 configuration
• Number of circuits: 1 circuit
• On-state resistance: 3Ohm maximum
• Channel-to-channel matching: 400mOhm
• Supply voltage ranges: 2.7V ~ 5.5V (single) and ±2.7V ~ 5.5V (dual)
• Switch timing: 300ns (Ton), 110ns (Toff) maximum
• Bandwidth: 250MHz (-3dB)
• Charge injection: 87pC
• Channel capacitance: 85pF (CS(off) and CD(off))
• Leakage current: 1nA maximum
• Operating temperature: -40°C ~ 85°C

Mechanical Specifications:

• Package type: SOT-23-6
• Mounting type: Surface Mount

Compliance & Regulatory:

• RoHS3 compliance
• REACH unaffected status
• Moisture sensitivity level: 1 (Unlimited)

Parts meeting all specified parameters within these categories are classified as direct equivalents. No parameter relaxation or tolerance expansion is applied in this substitution analysis.

Parameter Comparison

Engineering Selection Recommendations

The MAX4676EUT+ is an active production component with full RoHS3 compliance and REACH unaffected regulatory status. The part carries MSL Level 1 (Unlimited) moisture sensitivity classification, indicating no moisture-related handling restrictions during storage and assembly operations.

Component selection should be based on:

1. Product Status Verification: Confirm active production status with the manufacturer or authorized distributor to ensure long-term availability and supply chain stability.

2. Compliance Certification: Verify RoHS3 compliance documentation and REACH compliance status for applications subject to environmental and regulatory requirements.

3. Moisture Handling: MSL Level 1 classification permits standard storage and handling procedures without specialized desiccant packaging or bake-out requirements.

4. Electrical Parameter Matching: All substitute parts must meet the specified electrical parameters without deviation, including on-state resistance, supply voltage ranges, switch timing, and leakage current specifications.

5. Package Compatibility: SOT-23-6 surface mount package compatibility with PCB layout, reflow soldering profiles, and assembly equipment must be confirmed.

Frequently Asked Questions (FAQ)

Q: What defines a direct equivalent for the MAX4676EUT+?

A: A direct equivalent must match all electrical specifications (switch circuit type, on-state resistance, supply voltage ranges, switch timing, bandwidth, charge injection, channel capacitance, and leakage current), mechanical specifications (SOT-23-6 package, surface mount), and compliance certifications (RoHS3, REACH status, MSL Level 1) without any parameter deviation.

Q: Can the MAX4676EUT+ be substituted with a different switch circuit type?

A: No. The SPST-NC (Single Pole Single Throw - Normally Closed) circuit topology is a specific functional requirement. Substitution with different circuit types (such as SPST-NO or DPDT) is not permitted as it changes the device behavior and application compatibility.

Q: Are there supply voltage compatibility considerations for substitution?

A: Yes. The MAX4676EUT+ operates with single supply voltage (2.7V ~ 5.5V) or dual supply voltage (±2.7V ~ 5.5V). Substitute parts must support the same voltage ranges as specified in the application design. Deviations in supply voltage specifications disqualify a part from substitution.

Q: What is the significance of the 3Ohm on-state resistance specification?

A: The 3Ohm maximum on-state resistance directly affects signal integrity, power dissipation, and circuit performance. Substitute parts must maintain this exact specification. Higher resistance values introduce signal attenuation and increased power loss; lower values are not equivalent as they represent different device designs.

Q: Does the SOT-23-6 package restrict substitution options?

A: Yes. The SOT-23-6 surface mount package is a mechanical and electrical requirement. Substitute parts must use the identical package type to ensure PCB footprint compatibility, reflow soldering compatibility, and electrical performance. Different package types (such as SOT-6 variants from other manufacturers) may have different pinouts or thermal characteristics and are not interchangeable.

Q: What is the importance of the 400mOhm channel-to-channel matching specification?

A: Channel-to-channel matching (ΔRon) specifies the maximum resistance variation between switch channels. This parameter is critical for applications requiring consistent signal routing or multiplexing performance. Substitute parts must meet this specification to maintain circuit performance consistency.

Q: Are there any handling or storage requirements based on the MSL Level 1 classification?

A: MSL Level 1 (Unlimited) indicates no moisture sensitivity restrictions. The component does not require specialized desiccant packaging, bake-out procedures, or time-limited storage conditions. Standard industrial storage and handling practices are applicable.

Q: How does the 250MHz bandwidth specification affect substitution?

A: The -3dB bandwidth of 250MHz defines the frequency response of the switch. This specification is critical for high-frequency signal applications. Substitute parts must maintain this bandwidth specification to ensure signal fidelity and frequency response characteristics remain unchanged.

Q: What role does the 87pC charge injection specification play in substitution?

A: Charge injection represents the amount of charge transferred to the signal path during switching transitions. This parameter affects signal accuracy in precision analog applications. Substitute parts must match this specification to maintain circuit performance and minimize signal distortion.

Q: Can the MAX4676EUT+ be substituted with a part from a different manufacturer?

A: Substitution with parts from different manufacturers is permitted only if all electrical, mechanical, and compliance specifications are identical to the MAX4676EUT+. The manufacturer part number, base product number, and supplier device package must be verified for exact equivalence. Cross-manufacturer substitution requires complete specification verification.