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DG405BDY
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 45OHM 16SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：45Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：13V ~ 36V
- Voltage - Supply, Dual (V±)：±7V ~ 22V
- Switch Time (Ton, Toff) (Max)：150ns, 100ns
- -3db Bandwidth：-
- Charge Injection：60pC
- Channel Capacitance (CS(off), CD(off))：12pF, 12pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-94.8dB @ 1MHz
- 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：4
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Overview
The DG405BDY is a low-power, high-speed CMOS analog switch manufactured by Vishay Siliconix. It features four independent SPST switches in two pairs within a 16-pin narrow SOIC package. The device supports a maximum supply voltage of 44 V and an analog signal range of ±15 V. Key electrical parameters include a typical on-resistance (RDS(on)) of 23 Ω with a maximum of 45 Ω, and a turn-on time (tON) of 100 ns. It operates from -40 °C to +85 °C and offers low leakage current.
Feature Summary
- Four independent SPST switches configured in two pairs
- High-voltage silicon-gate process for superior switching performance
- TTL and CMOS logic compatible
- Capable of single supply operation
Applications
- Audio and video switching
- Sample-and-hold circuits
- Test equipment
- PBX and PABX systems
Procurement Notes
Verify the exact ordering suffix against the manufacturer's documentation to confirm package type and lead-free status. The standard commercial part number is DG405BDY, while the lead-free variant carries the -E3 suffix. Confirm availability through authorized distributors as production status may vary.
Selection Notes
Select this component when four independent single-pole single-throw channels are required in a compact surface-mount package. Ensure the application voltage does not exceed the 44 V absolute maximum rating. Verify that the 23 Ω typical on-resistance meets the signal integrity requirements of the specific circuit design.
Part Context
The DG405BDY belongs to the DG401B, DG403B, and DG405B series, which serve as improved replacements for the legacy DG401/403/405 models. This series combines high speed with low power consumption, making it suitable for portable and battery-powered applications.
Replacement Considerations
The lead-free version DG405BDY-E3 is the direct environmental equivalent. For different channel configurations within the same family, consider the DG401BDY (two SPST switches) or the DG403BDY (four SPST switches in NO/NC combinations).
