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DG417DY-E3
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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX1 35OHM 8SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：35Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：12V
- Voltage - Supply, Dual (V±)：±15V
- Switch Time (Ton, Toff) (Max)：175ns, 145ns
- -3db Bandwidth：-
- Charge Injection：60pC
- 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-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG417DY-E3 is a precision single-pole single-throw (SPST) normally closed analog switch manufactured by Vishay Siliconix. It operates within a ±15 V analog signal range and supports dual or single supply voltages up to 44 V maximum. The device features a typical on-resistance of 20 Ω, with a maximum of 35 Ω across the -40 °C to +85 °C temperature range. Key dynamic characteristics include a turn-on time of 100 ns and a turn-off time of 60 ns. Power consumption is ultra-low at 35 nW, with leakage currents typically below 0.25 nA. It utilizes an epitaxial layer for latchup prevention and is housed in an 8-pin narrow SOIC package.
Feature Summary
- High-voltage silicon gate process ensures superior switching performance and prevents latchup.
- TTL and CMOS compatible logic levels simplify interfacing with digital control systems.
- Ultra-low power requirements and minimal leakage current support battery-powered applications.
- Bidirectional conduction capability allows signals to pass equally well in either direction when active.
Applications
- Precision test equipment
- Battery powered systems
- Sample-and-hold circuits
Procurement Notes
Verify the suffix 'E3' confirms RoHS compliance and lead-free terminations. Confirm the 'DY' designation matches the required 8-pin narrow SOIC surface-mount package. Ensure the operating environment stays within the specified -40 °C to +85 °C range to maintain guaranteed electrical parameters.
Selection Notes
Select this component for designs requiring normally closed SPST switching with low on-resistance. Consider the DG418 if normally open logic is preferred, or the DG419 for single-pole double-throw configurations. Verify that the 20 Ω typical on-resistance meets the signal integrity requirements of the specific application circuit.
Part Context
This part belongs to the DG417/DG418/DG419 series of monolithic CMOS analog switches. These devices are designed for portable and military applications where high performance and efficient board space usage are critical. The series shares common manufacturing processes and reliability standards.
Replacement Considerations
DG417DJ-E3: Identical function in 8-pin plastic MiniDIP through-hole package.
FAQ
What is the default state of the DG417 switch?
The DG417 is a normally closed (NC) switch, meaning the channel conducts when the logic input is low.
How does the DG417 handle signals exceeding the supply rails?
Signals on the source or drain pins exceeding V+ or V- will be clamped by internal diodes. Forward diode current must be limited to maximum ratings.
Is the DG417 latchup-proof?
Yes, an epitaxial layer is included in the high voltage silicon gate process to prevent latchup.
