MAX4545EAP Equivalent & Substitute Parts

Part Overview

The MAX4545EAP is a quad SPST video switch IC manufactured by Analog Devices Inc./Maxim Integrated, designed for video signal routing and multiplexing applications. This component features four independent 1:1 switch channels with bi-directional, T-switch configuration capability. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs requiring this switching functionality.

Substiute Parts

MAX4545EAP

Analog Devices Inc./Maxim IntegratedIn Stock: 2302MAX4545EAP Datasheet

Current PartRFQ

MAX4545EAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1639MAX4545EAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4545EAP is determined by strict equivalence across the following critical parameters:

• Switch circuit topology: SPST configuration with 1:1 multiplexer/demultiplexer circuit
• Channel count: 4 independent channels
• On-state resistance: Maximum 20Ω
• Supply voltage ranges: Single supply 2.7V ~ 12V and dual supply ±2.7V ~ 6V
• Bandwidth performance: -3dB bandwidth of 300MHz
• Functional features: Bi-directional, T-switch configuration capability
• Package specification: 20-SSOP form factor with 0.209" (5.30mm) width
• Mounting technology: Surface mount configuration
• Operating temperature: -40°C ~ 85°C

Only parts meeting all these criteria are classified as direct substitutes. Packaging format (tube vs. alternative) does not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MAX4545EAP+ serves as the direct functional equivalent to the MAX4545EAP. Both parts are electrically and mechanically identical across all specified parameters. The primary distinction is product lifecycle status: the MAX4545EAP is obsolete, while the MAX4545EAP+ maintains active production status.

For new designs and ongoing system support, the MAX4545EAP+ is the appropriate selection. This part provides continuity of supply and maintains full electrical compatibility with existing MAX4545EAP implementations. Additionally, the MAX4545EAP+ achieves ROHS3 compliance, whereas the original MAX4545EAP does not meet this regulatory requirement. Both parts carry identical REACH and ECCN classifications.

Frequently Asked Questions (FAQ)

Q: Are MAX4545EAP and MAX4545EAP+ pin-for-pin compatible?

A: Yes. Both parts use the identical 20-SSOP package with matching pinout, electrical characteristics, and functional behavior. Direct PCB substitution is supported without design modification.

Q: What is the difference between MAX4545EAP and MAX4545EAP+?

A: The parts are electrically and mechanically equivalent. The primary differences are product status (obsolete vs. active) and RoHS compliance (non-compliant vs. ROHS3 compliant). Packaging format differs (unspecified vs. tube), but this does not affect component functionality or board-level integration.

Q: Can I use MAX4545EAP+ in applications originally designed for MAX4545EAP?

A: Yes. The MAX4545EAP+ maintains full electrical and mechanical compatibility. All performance parameters, supply voltage ranges, bandwidth specifications, and operating temperature ranges are identical. No circuit redesign is required.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitutes must match the following: 4-channel SPST switch configuration, 1:1 multiplexer/demultiplexer circuit, 20Ω maximum on-state resistance, 2.7V ~ 12V single supply range, ±2.7V ~ 6V dual supply range, 300MHz -3dB bandwidth, bi-directional T-switch functionality, and -40°C ~ 85°C operating temperature range.

Q: Is the 20-SSOP package critical for substitution?

A: Yes. The 20-SSOP package with 0.209" (5.30mm) width is a mandatory substitution criterion. This ensures mechanical fit on existing PCBs and maintains pinout compatibility. Alternative packages do not qualify as substitutes for this application.

Q: What is the significance of the obsolete product status?

A: Obsolete status indicates that the MAX4545EAP is no longer manufactured or supported by Analog Devices Inc./Maxim Integrated. The MAX4545EAP+ is the active production equivalent, ensuring long-term availability and supply chain continuity for this switching function.