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DG409DY-E3
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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 100OHM 16SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：15Ohm (Max)
- Voltage - Supply, Single (V+)：5V ~ 36V
- Voltage - Supply, Dual (V±)：±5V ~ 20V
- Switch Time (Ton, Toff) (Max)：150ns, 150ns
- -3db Bandwidth：-
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：14pF, 25pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：2
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Overview
The DG409DY-E3 is a dual 4-channel differential analog multiplexer manufactured by Vishay Siliconix in a 16-pin narrow SOIC surface-mount package. It connects one of four differential inputs to a common dual output using a 2-bit binary address (A0, A1). The device operates on single supplies from +5 V to +36 V or dual supplies from ±5 V to ±20 V. Key electrical parameters include a maximum on-resistance of 100 Ω, a transition time of 160 ns, and charge injection of 20 pC. It features TTL-compatible logic inputs and an enable function for stacking multiple devices.
Feature Summary
- Break-before-make switching action prevents momentary crosstalk between adjacent channels.
- TTL-compatible control inputs allow direct interfacing with standard digital logic.
- Enable function allows resetting all switches to the off state for system stacking.
Applications
- High-speed data acquisition systems
- Audio signal switching and routing
- Automated test equipment (ATE) systems
Procurement Notes
Verify that the ordering suffix -E3 confirms lead-free and RoHS compliance as specified in the manufacturer's documentation. Ensure the package type matches the required 16-pin narrow SOIC footprint. Confirm the commercial temperature range (-40 °C to +85 °C) meets the operational requirements of the target application environment.
Selection Notes
Select this component when a dual differential multiplexer configuration is required rather than single-ended switching. Verify that the 100 Ω maximum on-resistance and 160 ns transition time are sufficient for the specific signal bandwidth and speed requirements. Ensure the supply voltage range aligns with the available power rails in the design.
Part Context
This part belongs to the DG408/DG409 series of high-performance CMOS analog multiplexers. While the DG408 provides an 8-channel single-ended configuration, the DG409 offers a dual 4-channel differential topology. Both share similar electrical characteristics and are designed using a 44 V silicon-gate CMOS process.
Replacement Considerations
Publicly confirmed substitute part numbers are not identified in the provided source material. Designers should consult official replacement guides or contact technical support for verified alternatives.
FAQ
How does the DG409 handle overvoltage conditions?
Signals on the source or drain pins exceeding the supply rails are clamped by internal diodes. Forward diode current must be limited to the maximum ratings to prevent damage.
What is the purpose of the Enable (EN) pin?
The Enable function allows the user to reset the multiplexer to all switches off. This feature facilitates the stacking of several devices within a single system.
Does the device support single-supply operation?
Yes, the DG409 supports single-supply operation ranging from +5 V to +36 V, in addition to dual-supply configurations.
