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DG445BDY-E3
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 80OHM 16SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：80Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：13V ~ 36V
- Voltage - Supply, Dual (V±)：±7V ~ 22V
- Switch Time (Ton, Toff) (Max)：300ns, 200ns
- -3db Bandwidth：-
- Charge Injection：1pC
- Channel Capacitance (CS(off), CD(off))：5pF, 5pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-95dB @ 100kHz
- 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
- Grade：-
- Qualification：-
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Overview
The DG445BDY-E3 is a monolithic quad single-pole single-throw (SPST) CMOS analog switch manufactured by Vishay Siliconix. It operates with dual supplies ranging from ±5 V to ±20 V or a single supply up to 36 V. The device features a typical on-resistance of 45 Ω and maximum turn-on/turn-off times of 300 ns and 200 ns, respectively. It draws a maximum supply current of 1 µA and dissipates up to 640 mW in the SOIC-16 package. The logic input threshold is compatible with TTL and CMOS standards.
Feature Summary
- Monolithic quad SPST configuration for multi-channel signal routing
- High-speed switching action suitable for data acquisition systems
- Minimized charge injection optimized for sample-and-hold applications
- TTL and CMOS-compatible logic control interface
Applications
- Data Acquisition Systems
- Sample-and-Hold Circuits
- Communication Systems
- Automatic Test Equipment
- Medical Instrumentation
Procurement Notes
Verify the specific suffix 'E3' indicates lead-free compliance and RoHS adherence as per Vishay documentation. Confirm the 'BDY' designation corresponds to the 16-pin Narrow SOIC package variant. Ensure the operating environment remains within the specified -40 °C to +85 °C temperature range to maintain guaranteed electrical parameters.
Selection Notes
Select this component when a quad SPST topology is required for low-power analog signal switching. The DG445B variant specifically provides an active-high logic state, contrasting with the DG444B which is active-low. Evaluate the 45 Ω typical on-resistance against signal integrity requirements and ensure the 1 µA supply current meets strict power budget constraints.
Part Context
This part belongs to the DG44xB series, representing upgraded versions of the original DG444/DG445 devices. The 'B' suffix denotes improved performance characteristics such as lower on-resistance and faster switching speeds compared to legacy counterparts. The E3 suffix confirms environmental compliance with modern manufacturing standards.
Replacement Considerations
DG444BDY-E3 serves as a functional substitute with inverted logic polarity. DG445DY-T1-E3 offers identical electrical specifications but utilizes tape-and-reel packaging instead of tubes.
