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The NX3L2T384GD,125 is a dual low-ohmic single-pole single-throw analog switch manufactured by NXP Semiconductors. It operates on a single supply voltage ranging from 1.4 V to 4.3 V and features an active HIGH enable input (nE) with Schmitt trigger action for noise immunity. The device provides bidirectional signal transmission between independent input/output terminals (nY and nZ). Key electrical parameters include a typical ON resistance of 0.5 Ω at 4.3 V, a maximum OFF-state leakage current of 500 nA, and a continuous switch current handling capability of 350 mA under a 3.3 V supply. It supports control logic voltages as low as 1.8 V even when the supply voltage is higher.
Verify the specific package variant required for the design, as the GD suffix denotes the XSON8 package (SOT996-2). Confirm that the operating temperature range aligns with the -40 °C to +125 °C specification provided in the datasheet. Ensure that the PCB layout accommodates the specific thermal dissipation requirements associated with this package type during operation.
Select this component when a dual-channel analog switch with very low ON resistance is required for portable applications. It is suitable for designs needing high noise immunity via Schmitt trigger enable inputs. Verify that the application signals remain within the 1.4 V to 4.3 V supply range and that the load current does not exceed the specified continuous limits to maintain optimal performance.
This part belongs to the NX3L2T384 family of dual low-ohmic analog switches. Other variants in the series include the GT version in an XSON8 package (SOT833-1) and the GM version in an XQFN8 package (SOT902-2). All variants share identical electrical characteristics but differ in physical package dimensions and terminal configurations.
Publicly confirmed substitute part numbers are not available in the provided documentation.