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DG9421DV-T1-E3
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Product Detailed Parameters
- Description：IC SWITCH SPST-NC X 1 3OHM 6TSOP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：3Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：±2.7V ~ 6V
- Switch Time (Ton, Toff) (Max)：45ns, 47ns
- -3db Bandwidth：-
- Charge Injection：43pC
- Channel Capacitance (CS(off), CD(off))：31pF, 30pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：6-TSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG9421DV-T1-E3 is a single-channel, single-pole single-throw (SPST) analog switch manufactured by Vishay Siliconix. It utilizes CMOS technology and operates within a supply voltage range of 2.7 V to 12 V for single-supply configurations, or ±1.35 V to ±6 V for dual-supply applications. The device features a maximum on-resistance of 3 Ohms and supports a DC switch current of 50 mA. Key switching parameters include a maximum turn-on time of 45 ns and a maximum turn-off time of 47 ns. Power dissipation is rated at 570 mW, with a maximum quiescent current of 1 µA. The component is housed in a TSOP-6 surface-mount package.
Feature Summary
- Single SPST configuration providing efficient signal routing in compact designs
- Low power consumption with minimal quiescent current draw
- Compatible with both single and dual power supply architectures
Applications
- Signal multiplexing in data acquisition systems
- Audio and video signal path switching
- Instrumentation input selection circuits
Procurement Notes
Verify the specific suffix requirements against the official Vishay datasheet before ordering. Confirm that the TSOP-6 package dimensions align with your PCB footprint constraints. Ensure that the operating voltage limits are strictly observed to prevent device degradation. Check for any recent obsolescence notices or recommended alternative part numbers from the manufacturer.
Selection Notes
Select this component when a low on-resistance SPST switch is required for signals up to 12 V. Consider the 50 mA DC current limit for load handling capabilities. Evaluate the 45 ns switching speed against system timing requirements. Compare the TSOP-6 package size against available board space relative to other analog switches.
Part Context
This part belongs to the DG series of analog switches from Vishay Siliconix. It serves as a discrete solution for managing analog signal paths in electronic circuits. The device complements other multi-channel switches by offering a dedicated single-switch option for simpler circuit topologies requiring minimal component count.
Replacement Considerations
Consult the official Vishay documentation for verified replacement options. Cross-reference pinouts and electrical characteristics carefully. Ensure any substitute maintains compatibility with the 2.7 V to 12 V supply range and TSOP-6 package form factor.
