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DG418LEUA+T
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 35OHM 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：35Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：9V ~ 36V
- Voltage - Supply, Dual (V±)：±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max)：175ns, 185ns
- -3db Bandwidth：-
- Charge Injection：15pC
- Channel Capacitance (CS(off), CD(off))：8pF, 8pF
- Current - Leakage (IS(off)) (Max)：250pA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-uMAX/uSOP
- Number of Circuits：1
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Overview
The DG418LEUA+T is a single-channel SPST analog switch from the DG418 series, manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 9 V to 36 V for single supply or ±4.5 V to ±20 V for dual supply configurations. The device features a maximum on-resistance of 35 Ohms and supports a continuous DC switch current of 30 mA. Key timing parameters include a maximum turn-on time of 175 ns and a maximum turn-off time of 145 ns. It is housed in an 8-uMAX/uSOP package and functions within a temperature range of 0°C to +70°C.
Feature Summary
- Provides single-pole single-throw (SPST) signal routing with logic-compatible control inputs.
- Supports both single and dual power supply configurations for flexible system integration.
- Delivers low on-resistance characteristics suitable for precision analog signal switching applications.
Applications
- Data acquisition systems requiring precise signal path selection
- Industrial process control instrumentation
- Medical equipment signal conditioning circuits
Procurement Notes
Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm package integrity and pin alignment against the 8-uMAX/uSOP specification before PCB assembly. Ensure storage conditions maintain moisture sensitivity level compliance. Cross-reference ordering information with official manufacturer documentation to validate suffix designations and revision levels prior to final procurement decisions.
Selection Notes
Evaluate the 35 Ohm on-resistance against system loss requirements and verify compatibility with available control logic voltages. Assess thermal performance based on the specified power dissipation limits within the target operating environment. Consider the 175 ns switching speed relative to application bandwidth needs. Confirm that the 30 mA continuous current rating exceeds peak load demands during operation.
Part Context
This component belongs to the DG418 family of improved SPST/SPDT analog switches designed for high-performance signal routing. The series offers enhanced specifications compared to earlier generations, including lower on-resistance and faster switching times. The DG418LEUA+T variant specifically utilizes the compact uMAX package, facilitating space-constrained designs while maintaining robust electrical performance standards typical of Maxim Integrated's analog switch portfolio.
Replacement Considerations
The DG417LDY+ serves as a functional substitute within the same product family, offering comparable SPST switching capabilities and similar electrical characteristics. Verify pinout compatibility and parameter alignment before implementation.
