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DG442LDQ-E3
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Product Detailed Parameters
- Description：IC SW SPST-NOX4 30OHM 16TSSOP
- Series：-
- Mfr：Vishay Siliconix
- Package：Bulk
- 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-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The DG442LDQ-E3 is a quad single-pole single-throw (SPST) analog switch IC manufactured by Vishay Siliconix. It operates on a single supply voltage ranging from 3 V to 16 V or dual supplies up to ±8 V. The device features a maximum on-resistance of 140 Ohms, with a maximum power dissipation of 650 mW. Switching performance includes a maximum turn-on time of 210 ns and a maximum turn-off time of 130 ns. It supports a maximum DC switch current of 10 mA and draws a maximum supply current of 1 uA. The component is housed in a 16-pin TSSOP package and functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrates four independent SPST analog switches in a compact surface-mount package.
- Supports flexible power configurations with single or dual supply voltage operation.
- Maintains low quiescent supply current for energy-efficient circuit designs.
Applications
- Signal routing in data acquisition systems
- Multiplexing sensor inputs
- Audio signal switching
Procurement Notes
Verify the specific suffix 'LDQ' corresponds to the TSSOP-16 package variant when sourcing replacements. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the specified 140 Ohm on-resistance limits for the target application signals.
Selection Notes
Select this component when a quad SPST configuration is required with moderate on-resistance specifications. Compare against the DG442LEDY-GE3 for SOIC-16 packaging alternatives. Evaluate the DG442LDY-E3 if lower on-resistance and faster switching speeds are necessary for high-performance applications.
Part Context
This part belongs to the DG44x series of CMOS analog switches from Vishay Siliconix. The series provides multiple channel counts and package options for general-purpose signal switching. The DG442 specifically offers four channels, distinguishing it from dual-channel or octal variants within the same product family.
Replacement Considerations
The DG442LEDY-GE3 serves as a direct pin-compatible alternative in a SOIC-16 package. Designers requiring lower on-resistance should consider the DG442LDY-E3, though it may have different availability status.
