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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX4 85OHM 16SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：85Ohm
- Channel-to-Channel Matching (ΔRon)：1.7Ohm
- Voltage - Supply, Single (V+)：4V ~ 44V
- Voltage - Supply, Dual (V±)：±4V ~ 22V
- Switch Time (Ton, Toff) (Max)：200ns, 150ns
- -3db Bandwidth：-
- Charge Injection：1pC
- Channel Capacitance (CS(off), CD(off))：5pF, 5pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-95dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：4
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Overview
The DG309DY-T1 is a quad single-pole single-throw (SPST) analog switch manufactured by Vishay Siliconix. It integrates four independent switches in a 16-pin SOIC package, supporting both single and dual power supplies ranging from 5V to 36V or ±5V to ±20V respectively. The device features a maximum on-resistance of 100 Ohms and operates within a temperature range of -40°C to +85°C. Key electrical specifications include a maximum turn-on time of 200 ns, a maximum turn-off time of 150 ns, and a maximum power dissipation of 600 mW. Supply current is limited to 10 uA, with a DC switch current capacity of 20 mA.
Feature Summary
- Integrates four independent SPST analog switches for signal routing applications
- Operates with wide single or dual supply voltage ranges up to 36V
- Provides low power consumption with minimal supply current requirements
Applications
- Data acquisition systems requiring multi-channel signal switching
- Industrial process control instrumentation
- Communication equipment signal path management
Procurement Notes
Verify component authenticity through authorized distributors as the part may be discontinued. Confirm RoHS compliance status via official datasheets before integration. Check for alternative packages such as TSSOP if pin compatibility allows. Ensure supply chain stability due to potential end-of-life status.
Selection Notes
Select this component when four independent SPST switches are required in a compact surface-mount package. Compare on-resistance and leakage current against similar DG series parts like the DG309BDQ for specific circuit impedance needs. Verify that the 100 Ohm on-resistance meets system accuracy requirements.
Part Context
This component belongs to the DG series of CMOS analog switches produced by Vishay Siliconix. It serves as a surface-mount alternative to through-hole variants, offering comparable electrical performance in a smaller footprint. The DG309DY-T1 shares functional similarities with other quad SPST switches in the lineup but differs in packaging and specific parameter tolerances.
Replacement Considerations
The DG309DY+T from Analog Devices/Maxim Integrated is a documented equivalent with identical pinout and similar electrical characteristics. Verify package dimensions and lead finish compatibility before substitution.
