DG419AK

Analog Switches, Multiplexers, Demultiplexers Overview

The DG419AK 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 dual supply voltages ranging from ±4.5V to ±20V or a single supply from 9V to 36V. Key electrical parameters include a maximum switching time of 175ns for turn-on and 185ns for turn-off. It operates within an extended temperature range of -40°C to +85°C and is housed in an 8-PDIP 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 overlap during transitions.
• Wide supply voltage range accommodates various single and dual power systems.

Analog Switches, Multiplexers, Demultiplexers Applications

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

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'AK' against official Analog Devices documentation to confirm package type and temperature grade. Distributor listings often prioritize standard variants like CJ or LDJ; ensure the selected part matches the required industrial temperature range and physical footprint before ordering.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when low leakage and precise signal routing are required in space-constrained designs. The SPDT topology allows for flexible signal path selection. Ensure the input signal range remains within the specified VSS to VDD limits to maintain performance integrity.

Analog Switches, Multiplexers, Demultiplexers Part Context

The DG419 belongs to the improved series of precision CMOS analog switches. It serves as a plug-in replacement for older discrete solutions and legacy ICs like the DG417. The family emphasizes reliability in data acquisition and signal conditioning applications requiring minimal distortion.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The DG417 is documented as a direct predecessor. Verify pin compatibility and electrical specifications against the DG417 datasheet before substitution. Other members of the DG419 family may offer different packaging options.