DG419LEUA+T

Analog Switches, Multiplexers, Demultiplexers Overview

The DG419LEUA+T is a precision analog switch manufactured by Analog Devices Inc. under the Maxim Integrated brand, utilizing LC2MOS technology for low power and high speed. It features a single SPDT configuration with a maximum on-resistance of 35 ohms. The device supports a single supply voltage range of 9V to 36V or dual supplies of ±4.5V to ±20V. Key electrical parameters include a maximum charge injection of 15pC, off-isolation of -86dB at 1MHz, and a maximum operating temperature of +125°C. It is housed in an 8-MSOP package.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• LC2MOS process ensures ultralow power dissipation while maintaining fast switching speeds.
• Break-before-make switching action prevents signal shorting during state transitions.
• High input impedance and low leakage currents support precision signal handling.

Analog Switches, Multiplexers, Demultiplexers Applications

• Precision test equipment
• Battery-powered systems
• Sample-and-hold circuits

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'LEUA+T' against official Analog Devices documentation to confirm the tape-and-reel packaging and extended industrial temperature rating. Ensure compatibility with existing PCB footprints for the 8-MSOP package before procurement.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when low power consumption and fast switching are required in space-constrained designs. The SPDT topology allows routing signals between two paths. Verify that the 35-ohm on-resistance meets the application's voltage drop requirements.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the DG419 family of improved SPST/SPDT analog switches. It serves as a modern replacement for legacy CMOS switches, offering enhanced performance metrics such as lower charge injection and higher bandwidth compared to earlier generations.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Check for direct pin-compatible alternatives within the ADG417 or DG411 families if sourcing constraints exist. Confirm that substitute parts meet the same thermal and electrical specifications for the target environment.