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DG418LAK
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Product Detailed Parameters
- Description：IC SW SPST-NOX1 20OHM 8CERDIP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：20Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：±3V ~ 6V
- Switch Time (Ton, Toff) (Max)：43ns, 31ns
- -3db Bandwidth：-
- Charge Injection：1pC
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-71dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：8-CDIP (0.300", 7.62mm)
- Supplier Device Package：8-CERDIP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG418LAK is a precision single-channel SPST analog switch manufactured by Vishay Siliconix. It operates within a supply voltage range of 15 V to 15 V dual or equivalent single supply configurations. The device features a maximum on-resistance of 35 Ohms and supports a continuous DC switch current of 30 mA. Electrical performance includes a maximum turn-on time of 175 ns and a maximum turn-off time of 145 ns. Power dissipation is rated at 600 mW, with a maximum supply current of 1 uA. The component is housed in an 8-pin CDIP package and functions reliably across an operating temperature range from -55 C to +125 C.
Feature Summary
- Precision monolithic CMOS construction ensuring low leakage and high isolation
- Wide dual or single power supply operation capability
- High thermal stability suitable for extended industrial temperature environments
Applications
- Data acquisition systems requiring precise signal routing
- Instrumentation amplifiers and sensor interfaces
- Process control loops with wide temperature demands
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and package integrity. Confirm RoHS compliance status through current datasheets as manufacturing processes evolve. Cross-reference the part number with authorized distributors to ensure authenticity and traceability before procurement.
Selection Notes
Select this component when high-temperature operation up to 125 C is required alongside precision switching characteristics. Compare on-resistance specifications against system signal integrity requirements. Ensure the CDIP package format aligns with existing PCB footprint constraints and thermal management strategies.
Part Context
This device belongs to the DG series of precision analog switches designed for demanding applications. It offers improved thermal performance compared to standard commercial variants. The component serves as a reliable solution for critical signal path switching in harsh environments where stability and accuracy are paramount.
Replacement Considerations
Consult official substitution guides for compatible alternatives. Verify electrical parameter equivalence and physical package dimensions before implementation.
