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DG417LEUA+
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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX1 35OHM 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SPST - NC
- 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 DG417LEUA+ is a precision, single-pole/single-throw (SPST) CMOS analog switch manufactured by Analog Devices Inc./Maxim Integrated. It features a maximum on-resistance of 35Ω and operates within an extended temperature range of -40°C to +85°C. The device supports single-supply voltages from +9V to +36V or dual supplies ranging from ±4.5V to ±20V. It incorporates +3V logic-compatible digital inputs with defined thresholds of 0.8V for logic-low and 2.0V for logic-high. The component is housed in an 8-pin µMAX package.
Feature Summary
- +3V Logic-Compatible Digital Inputs
- Power-Supply Sequencing-Free Operation
- Rail-to-Rail Analog Signal Handling Capability
Applications
- Sample-and-Hold Circuits
- Communications Systems
- Test Equipment
Procurement Notes
Verify the specific ordering suffix LEUA against official manufacturer documentation to confirm the 8-pin µMAX package configuration. Ensure that the required operating temperature range aligns with the specified -40°C to +85°C limits before finalizing procurement decisions.
Selection Notes
Select this component when a normally closed SPST analog switch is required. Verify compatibility with the system's power supply architecture, as it accommodates both single and dual supply configurations. Confirm that the logic interface meets the specified voltage thresholds for reliable switching operation.
Part Context
This part belongs to the DG417L/DG418L/DG419L family of precision CMOS analog switches. The 'L' designation indicates enhanced features such as +3V logic compatibility and sequencing-free operation compared to legacy versions. The LEUA suffix specifically identifies the 8-pin µMAX surface-mount package variant.
Replacement Considerations
The DG417LDY+ serves as a direct pin-compatible replacement utilizing an 8-SO package. The DG417LDJ+ offers an alternative using an 8-plastic DIP package. All variants maintain identical electrical characteristics and functionality.
FAQ
What is the default state of the DG417L switch?
The DG417L is configured as a normally closed (NC) switch.
Does the DG417L require specific power-supply sequencing?
No, the device eliminates the need for specific power-supply sequencing and allows any power-up sequence.
What are the logic input voltage thresholds?
The device specifies a logic-low threshold of 0.8V and a logic-high threshold of 2.0V.
