DG541AP Equivalent & Substitute Parts

Part Overview

The DG541AP is a quad SPST video switch IC manufactured by Vishay Siliconix in a 16-DIP package. This component functions as a 4-channel video multiplexer/demultiplexer with 1:1 circuit configuration, designed for video signal routing applications. The DG541AP is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements.

Substiute Parts

DG541AP

Vishay SiliconixIn Stock: 1118DG541AP Datasheet

Current PartRFQ

IH5352CPE+

Analog Devices Inc./Maxim IntegratedIn Stock: 843IH5352CPE+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DG541AP is determined by the following critical parameters:

• Switch Configuration: SPST topology with 4 channels for video signal routing
• Package Compatibility: 16-DIP (0.300", 7.62mm) through-hole mounting
• Electrical Performance: On-state resistance, supply voltage ranges, and bandwidth specifications
• Functional Equivalence: Multiplexer/demultiplexer circuit with 1:1 configuration

The IH5352CPE+ qualifies as a substitute based on matching switch circuit type (SPST), channel count (4), package form factor (16-DIP), and through-hole mounting. Both components serve identical functional roles in video switching applications.

Parameter Comparison

Engineering Selection Recommendations

The IH5352CPE+ is an active substitute for the obsolete DG541AP. Both components share identical package geometry (16-DIP), mounting method (through-hole), and core functional specifications (SPST, 4-channel configuration).

Key considerations for selection:

• Product Availability: The DG541AP is obsolete; the IH5352CPE+ is actively manufactured and stocked.
• Compliance Status: The IH5352CPE+ meets ROHS3 compliance requirements, whereas the DG541AP is non-compliant.
• Operating Temperature: The DG541AP supports -55°C to 125°C operation; the IH5352CPE+ operates from 0°C to 70°C. Applications requiring extended low-temperature operation must account for this difference.
• On-State Resistance: The IH5352CPE+ exhibits 75Ω maximum on-state resistance compared to 60Ω for the DG541AP. This 15Ω difference may affect signal integrity in bandwidth-critical applications.
• Supply Voltage Range: The IH5352CPE+ requires minimum ±5V dual supply; the DG541AP operates from ±3V. Designs with ±3V supplies require verification of IH5352CPE+ operation at the lower voltage boundary.

Frequently Asked Questions (FAQ)

Q: Can the IH5352CPE+ directly replace the DG541AP in existing designs?

A: Direct replacement is possible for applications operating within 0°C to 70°C temperature range and ±5V to ±15V supply voltage. PCB layout and footprint are identical due to matching 16-DIP package specifications. Functional compatibility is confirmed by matching SPST topology and 4-channel configuration.

Q: What is the impact of the 15Ω on-state resistance difference?

A: The IH5352CPE+ exhibits 75Ω maximum on-state resistance versus 60Ω for the DG541AP. In video switching applications, this difference affects signal attenuation and impedance matching. Applications with stringent bandwidth or signal integrity requirements must evaluate this parameter against system specifications.

Q: Are there supply voltage compatibility issues?

A: The IH5352CPE+ minimum dual supply is ±5V, while the DG541AP operates from ±3V. Designs currently using ±3V supplies cannot use the IH5352CPE+ without supply voltage modification.

Q: Does the operating temperature range difference affect substitution?

A: The DG541AP supports -55°C to 125°C operation; the IH5352CPE+ is rated 0°C to 70°C. Applications requiring operation below 0°C or above 70°C cannot use the IH5352CPE+ as a substitute.

Q: What is the significance of RoHS compliance differences?

A: The IH5352CPE+ is ROHS3 compliant; the DG541AP is non-compliant. New designs and products subject to RoHS regulations must use the IH5352CPE+ or equivalent compliant alternatives.

Q: Are the packages mechanically identical?

A: Both components use 16-DIP (0.300", 7.62mm) through-hole packages. PCB footprints and mounting requirements are identical, enabling direct socket replacement without layout modifications.