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DG9421EDV-T1-GE3 is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Vishay Siliconix. Its product description is IC SWITCH SPST-NCX1 3.2OHM 6TSOP. Review the specifications below when checking this part for your BOM.
The DG9421EDV-T1-GE3 is a monolithic single-pole-single-throw (SPST) analog switch manufactured by Vishay Siliconix. It features a normally closed function and utilizes high-density BiCMOS technology to achieve low on-resistance, fast switching speed, and low power dissipation. The device operates on single supplies from +3 V to +16 V or dual supplies of ±3 V to ±8 V. Key electrical parameters include a typical on-resistance of 1.7 Ω at 12 V, a maximum on-resistance of 3.4 Ω across the full temperature range (-40 °C to +85 °C), and a -3 dB bandwidth of 161 MHz. It supports bi-directional rail-to-rail signal switching with a logic threshold compatible with 2.4 V control signals.
Verify the component against official Vishay datasheet specifications before integration. Confirm that the package type matches the design requirements. Ensure operating conditions remain within the specified absolute maximum ratings to maintain reliability. Check for RoHS compliance status if required by project standards.
Select this component when a normally closed SPST configuration is required. Consider the voltage range and on-resistance characteristics relative to the application's signal levels. Evaluate thermal performance based on the specified power dissipation limits in the TSOP-6 package.
This part belongs to the DG9421E/DG9422E series of analog switches. The DG9421E variant specifically provides a normally closed function, distinguishing it from the DG9422E which offers a normally open configuration. Both share similar electrical characteristics and packaging options.
DG9422EDV-T1-GE3
The device features a 2.4 V logic compatible control input, allowing for simple interfacing with standard logic families.
Yes, the switch can operate on dual supplies ranging from ±3 V to ±8 V, in addition to single supply operation from +3 V to +16 V.
The maximum on-resistance is specified as 3.4 Ω over the full operating temperature range of -40 °C to +85 °C.
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