DG442LDY-E3

Analog Switches, Multiplexers, Demultiplexers Overview

The DG442LDY-E3 is a quad single-pole single-throw (SPST) analog switch IC manufactured by Vishay Siliconix. It operates with dual supplies ranging from ±15 V to ±15 V and supports single supply configurations. The device features a maximum on-resistance of 33 Ohms, ensuring low signal attenuation. Electrical performance includes a maximum turn-on time of 60 ns and a maximum turn-off time of 35 ns. It accommodates a continuous DC switch current of 30 mA and maintains a maximum supply current of 1 uA. The component is housed in an SOIC-16 surface-mount package and functions within an operating temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Integrates four independent SPST analog switches in a compact integrated circuit format.
• Provides high-speed switching capabilities with nanosecond-level transition times for signal routing applications.
• Supports both single and dual power supply architectures for flexible system integration.

Analog Switches, Multiplexers, Demultiplexers Applications

• Signal multiplexing in data acquisition systems
• Audio and video signal path switching
• Instrumentation front-end channel selection

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

This component is officially designated as End-of-Life (EOL) by the manufacturer. Distribution channels indicate that Mouser does not currently stock this item in all regions. Engineers must verify availability through authorized distributors or secondary markets. Design-in activities should proceed with caution due to potential supply constraints and the necessity of identifying qualified alternative components for long-term production viability.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this part when four isolated SPST switching paths are required with moderate speed and low on-resistance under ±15 V operation. Verify that the 33 Ohm on-resistance meets the specific application's voltage drop requirements. Ensure the SOIC-16 package footprint aligns with the PCB layout. Consider thermal dissipation limits given the 650 mW power rating at higher ambient temperatures.

Analog Switches, Multiplexers, Demultiplexers Part Context

The DG442LDY-E3 belongs to the DG series of CMOS analog switches from Vishay Siliconix. This series is characterized by high reliability and compatibility with standard logic families. The 'LDY' suffix indicates the specific pinout and package configuration, while '-E3' denotes compliance with RoHS directives. It serves as a legacy component within the broader portfolio of precision analog switching solutions.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Public documentation lists DG442LEDY-GE3 as a recommended alternative. Note that the GE3 variant exhibits different electrical characteristics, specifically a higher on-resistance of 140 Ohms and slower switching speeds compared to the LDY version. Validate functional compatibility before substitution.