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DG441LDY is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Vishay Siliconix. Its product description is IC SWITCH SPST-NCX4 30OHM 16SOIC. Review the specifications below when checking this part for your BOM.
The DG441LDY is a precision monolithic quad SPST low-voltage CMOS analog switch manufactured by Vishay Siliconix. It operates on single supplies from 2.7 V to 12 V or dual supplies from ±3 V to ±6 V. The device features a maximum on-resistance of 33 Ω, turn-on time of 60 ns, and turn-off time of 35 ns at ±5 V. It offers low leakage current (0.25 nA), high off-isolation (-71 dB), and channel-to-channel crosstalk (-95 dB). Power dissipation is rated at 650 mW in the SOIC-16 package, with an operating temperature range of -40 °C to +85 °C.
Verify the specific suffix 'DY' corresponds to the narrow SOIC-16 package configuration. Confirm RoHS compliance status as indicated by the '-E3' designation if applicable. Check manufacturer documentation for any obsolescence notices or process change notifications affecting this component variant.
Select the DG441LDY when low voltage operation between 2.7 V and 12 V is required. Ensure the 33 Ω on-resistance meets circuit requirements. Verify that the 650 mW power dissipation rating accommodates thermal constraints in the SOIC-16 package. Consider the complementary DG442LDY if normally closed switching logic is needed instead.
The DG441LDY belongs to the DG441L/DG442L family of precision analog switches. These devices are pin-for-pin compatible companion parts designed to replace older industry standard switches while offering improved performance characteristics such as faster switching speeds and lower power consumption.
Public confirmed substitute part numbers include DG441LDQ-T1-E3 for TSSOP-16 packaging variants within the same series.
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