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DG442LDY
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 30OHM 16SOIC
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：30Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：±3V ~ 6V
- Switch Time (Ton, Toff) (Max)：60ns, 35ns
- -3db Bandwidth：280MHz
- Charge Injection：5pC
- Channel Capacitance (CS(off), CD(off))：5pF, 6pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-95dB @ 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
- Grade：-
- Qualification：-
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Overview
The DG442LDY is a precision monolithic quad SPST low-voltage CMOS analog switch manufactured by Vishay Siliconix. It operates on single supplies from 2.7 V to 12 V or dual supplies from ±3 V to ±6 V. The device features a typical on-resistance of 17 Ω and fast switching times with turn-on at 20 ns and turn-off at 12 ns. It offers low leakage current of 0.25 nA, 2000 V ESD protection, and TTL/CMOS compatibility. The component is housed in a 16-pin narrow SOIC package and supports an operating temperature range of -40 °C to +85 °C.
Feature Summary
- Low voltage operation compatible with single and dual power supplies
- Fast switching speeds with minimal insertion loss
- TTL and CMOS logic interface compatibility
- High off-isolation and channel-to-channel crosstalk performance
Applications
- Precision automatic test equipment
- Audio and video signal routing
- DSL and DSLAM systems
- Battery powered systems
Procurement Notes
Verify the specific suffix 'LDY' against the official Vishay ordering information to confirm the 16-pin narrow SOIC package and -40 °C to +85 °C temperature grade. Ensure compliance with RoHS Directive 2002/95/EC requirements as stated in the datasheet specifications before finalizing procurement.
Selection Notes
Select this component for applications requiring low-voltage operation and high-speed signal switching. The DG442L provides opposite control logic compared to the DG441L; verify that the active-low configuration matches the system design requirements. Consider the 17 Ω on-resistance and 0.25 nA leakage for precision signal integrity.
Part Context
The DG442LDY belongs to the DG441L/DG442L series of precision monolithic quad SPST low-voltage CMOS analog switches. These devices are designed as companion parts with improved performance over industry standards, utilizing BiCMOS wafer fabrication technology for enhanced speed and lower power consumption.
Replacement Considerations
DG441LDY-E3 serves as a logical alternative if inverted logic control is required instead of the standard active-high configuration found in the DG442L series.
