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DG9431EDY-T1-GE3
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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 30OHM 8SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：1:02
- On-State Resistance (Max)：30Ohm
- Channel-to-Channel Matching (ΔRon)：400mOhm
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：75ns, 50ns
- -3db Bandwidth：-
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：7pF
- Current - Leakage (IS(off)) (Max)：100pA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG9431EDY-T1-GE3 is a monolithic CMOS single-pole double-throw (SPDT) analog switch designed for precision signal switching applications. Operating on a single supply voltage ranging from +2.7 V to +5.5 V, it features a typical drain-source on-resistance of 17 Ω at 5 V and low charge injection of approximately 0.78 pC. The device guarantees a maximum switch-on leakage current of 100 pA at room temperature and offers fast switching times with turn-on and turn-off delays of 32 ns and 10 ns, respectively. It provides high ESD tolerance exceeding 8 kV (HBM) and 1 kV (CDM), making it suitable for low-voltage instrumentation and healthcare devices.
Feature Summary
- Monolithic CMOS construction ensuring low parasitic capacitance and fast switching performance
- Guaranteed break-before-make switching action prevents signal path shorting during transitions
- High electrostatic discharge tolerance protects against human body and charged device model events
- TTL and CMOS compatible logic inputs simplify interface with digital control systems
Applications
- Automatic test equipment
- Medical and healthcare systems
- Data acquisition systems
- Sample-and-hold circuits
- Battery powered instruments
Procurement Notes
Verify the ordering suffix 'T1' confirms tape and reel packaging containing 2500 units per reel. Confirm the 'E3' suffix indicates RoHS compliance and halogen-free status. Ensure the 'D' suffix matches the required -40 °C to +85 °C operating temperature range. Validate that the SOIC-8 package variant aligns with PCB footprint requirements before finalizing procurement orders.
Selection Notes
Select this component when a single SPDT configuration with low on-resistance is required for signals up to the supply rail. The DG9431EDY-T1-GE3 is appropriate for designs needing minimal charge injection to preserve signal integrity in sample-and-hold or ADC front-end applications. Consider the 8-pin SOIC package for standard surface-mount assembly processes requiring narrow body footprints.
Part Context
This part belongs to the Vishay Siliconix DG9431E family of precision analog switches. The specific model DG9431EDY-T1-GE3 denotes the 8-lead narrow SOIC package variant supplied in tape and reel format. It shares functional characteristics with the DG9431EDV-T1-GE3, which utilizes a 6-lead TSOP package, offering design flexibility based on available board space and pin count constraints.
Replacement Considerations
Public datasheets list the DG9431EDV-T1-GE3 as an alternative package option within the same family. No other cross-model substitutes are explicitly confirmed in the provided documentation.
