DG408EJ

Analog Switches, Multiplexers, Demultiplexers Overview

The DG408EJ is a high-speed, single-channel analog switch manufactured by Harris Corporation. It features a CMOS construction designed for low power consumption and fast switching times. The device operates within a specified voltage range, supporting both bipolar and unipolar supply configurations. Key electrical parameters include a maximum on-resistance and channel-to-channel isolation suitable for precision signal routing applications. The component is housed in a standard plastic DIP package, ensuring compatibility with through-hole mounting techniques for industrial and commercial circuit designs.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Single-channel SPST configuration for dedicated signal path control
• CMOS technology enabling low power dissipation and high input impedance
• High-speed switching capability for dynamic signal routing
• Robust isolation characteristics to minimize signal leakage

Analog Switches, Multiplexers, Demultiplexers Applications

• Data acquisition systems requiring precise analog signal selection
• Communication equipment for channel switching and multiplexing
• Industrial control circuits for sensor signal routing
• Test and measurement instruments needing reliable analog switching

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the manufacturer origin carefully, as Harris Corporation's semiconductor assets were acquired by Analog Devices. Ensure the part number suffix matches the exact package and temperature grade required. Cross-reference with current Analog Devices listings to confirm availability and authenticity of legacy stock.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a single-channel, high-speed analog switch is required. Consider the operating voltage range and on-resistance specifications against the signal amplitude and accuracy needs. Verify that the DIP package format aligns with the PCB layout constraints and assembly methods available.

Analog Switches, Multiplexers, Demultiplexers Part Context

This component belongs to the DG4xx series of analog switches, which are widely used in mixed-signal environments. The DG408 variant specifically provides single-pole single-throw functionality. As a legacy product from Harris Semiconductor, it represents a standard solution for analog signal routing before broader integration into modern SoC architectures.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Analog Devices ADG408 is the direct successor part. Verify pinout compatibility and electrical parameter equivalence before substitution. Other single-channel CMOS switches from various manufacturers may serve as alternatives if specific Harris performance metrics are not critical.