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The DG309AK/883B is a precision analog switch manufactured by Analog Devices Inc./Maxim Integrated. It features four single-pole single-throw normally-closed (SPST-NC) circuits in a 16-SOIC package. Key electrical parameters include a maximum on-resistance of 100 Ohms, a supply voltage range of 5V to 30V for single supply or ±5V to ±20V for dual supply, and a maximum power dissipation of 727 mW. The device operates within a temperature range of -40°C to +85°C, with a maximum turn-on time of 250 ns and turn-off time of 150 ns.
Verify the specific suffix AK/883B against official manufacturer documentation to confirm military-grade qualification and ceramic packaging requirements. Ensure compatibility with existing board layouts and thermal management strategies before procurement.
Select this component when high channel count and normally-closed logic are required. Compare on-resistance stability and leakage current specifications against alternative parts if operating near extreme temperature limits or high-frequency boundaries.
This part belongs to the DG309 series of analog switches. It shares functional similarities with other members like the DG307A and DG306A but differs in channel configuration and contact state. The /883B suffix typically denotes enhanced reliability standards compared to commercial variants.
Public confirmed substitute part numbers: DG309ACWE+, DG309DY+T.