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DG418LDY-E3
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX1 20OHM 8SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Bulk
- 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：-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 DG418LDY-E3 is a single-channel SPST analog switch IC manufactured by Vishay Siliconix. It operates within a supply voltage range of ±15 V and supports both single and dual power supplies. The device features a maximum on-resistance of 18.5 Ohms, with a typical switching time of 41 ns and an off-time of 32 ns. It is housed in an SOIC-8 surface-mount package and dissipates up to 400 mW. The component functions reliably across an extended temperature range from -40°C to +85°C, drawing a maximum supply current of 1 µA.
Feature Summary
- Single-pole single-throw (SPST) configuration for precise signal routing
- Low power consumption suitable for battery-operated systems
- High isolation characteristics for effective channel separation
Applications
- Data acquisition systems requiring single-channel switching
- Signal multiplexing in instrumentation circuits
- Audio signal path selection
Procurement Notes
This component is designated as obsolete or end-of-life by the manufacturer. Verification of availability through authorized distributors is required, as stock levels are limited. Engineers should confirm the specific revision status and ensure that any available units meet current quality standards before integration into new designs.
Selection Notes
Designers should evaluate the 18.5 Ohm on-resistance limit against their signal integrity requirements. The SOIC-8 package necessitates appropriate PCB footprint planning. Given the EOL status, alternative components with similar electrical specifications and pin compatibility must be identified to ensure long-term production viability.
Part Context
Part of the DG series of CMOS analog switches, this model represents a legacy product line from Vishay Siliconix. It shares functional similarities with other devices in the family but is distinguished by its single-channel architecture and specific thermal and electrical ratings defined for industrial applications.
Replacement Considerations
DG418LDQ-T1-E3
FAQ
What is the maximum operating supply voltage for this device?
The device supports a maximum dual supply voltage of ±15 V.
Does this switch support single-supply operation?
Yes, the datasheet specifies it is compatible with both single and dual power supplies.
What is the package type for the DG418LDY-E3?
It is available in an 8-lead SOIC surface-mount package.
