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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：Bulk
- 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：-86dB @ 1MHz
- 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-µMAX
- Number of Circuits：1
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Overview
The DG418LEUA-T is a precision single-pole single-throw (SPST) analog switch integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates with a supply voltage range of 10V to 30V for single supply or ±4.5V to ±20V for dual supply configurations. The device features a maximum on-resistance of 35 Ohms and supports logic levels compatible with +3V systems. Key electrical parameters include a maximum operating time of 175ns and an off-time of 145ns, with a maximum power dissipation of 471mW.
Feature Summary
- Provides precise signal routing through a single SPST channel configuration
- Ensures low distortion performance with minimal charge injection characteristics
- Supports flexible power supply requirements for both single and dual rail applications
Applications
- Data acquisition systems requiring high-precision signal switching
- Industrial control circuits utilizing isolated signal paths
- Communication equipment managing analog signal routing
Procurement Notes
Verify the specific suffix designation to confirm tape-and-reel packaging versus tube options. Confirm RoHS compliance status as legacy variants may differ. Check current availability as this component may be subject to limited stock or end-of-life restrictions depending on the manufacturing batch date code.
Selection Notes
Select this component when a single-channel analog switch with low on-resistance is required. Ensure the application voltage does not exceed the 30V single-supply limit. Consider the 8-uMAX package size for space-constrained designs. Verify logic compatibility if interfacing with lower voltage microcontrollers.
Part Context
This part belongs to the DG418 series of improved SPST/SPDT analog switches from Maxim Integrated. It serves as a replacement for older discrete switching solutions in compact PCB layouts. The uMAX package offers a small footprint suitable for surface-mount assembly processes in modern electronic devices.
Replacement Considerations
Direct substitutes include the DG418CY+ and DG418DJ variants, which offer identical electrical specifications but utilize different package formats such as SOIC-8 or PDIP-8. Ensure pinout compatibility before swapping between package types.
