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DG423DY+T
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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX2 35OHM 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：35Ohm
- Channel-to-Channel Matching (ΔRon)：3Ohm (Max)
- Voltage - Supply, Single (V+)：10V ~ 30V
- Voltage - Supply, Dual (V±)：±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max)：250ns, 200ns
- -3db Bandwidth：-
- Charge Injection：10pC
- Channel Capacitance (CS(off), CD(off))：12pF, 12pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-90dB @ 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：2
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Overview
The DG423DY+T is a dual single-pole single-throw (SPST) normally open analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates within a single supply voltage range of 10V to 30V or dual supplies of ±4.5V to ±20V. The device features a maximum on-resistance of 35 ohms and a channel-to-channel matching of 3 ohms. Switching times are specified at a maximum of 250ns for turn-on and 200ns for turn-off. Key electrical characteristics include a charge injection of 10pC, off-state leakage current of 500pA, and crosstalk of -90dB at 1MHz. It is housed in a 16-SOIC package and supports an operating temperature range from -40°C to 85°C.
Feature Summary
- Dual SPST configuration with low on-resistance for signal path integrity
- CMOS technology enabling low power consumption and high input impedance
- Fast switching speeds suitable for data acquisition systems
- Low charge injection minimizes signal distortion during transitions
Applications
- Data acquisition systems requiring precise analog signal routing
- Audio signal processing circuits
- Instrumentation and test equipment
- Communication systems for signal switching
Procurement Notes
Verify the component status as discontinued before procurement planning. Confirm the specific suffix 'T' indicates tape and reel packaging if required for automated assembly. Ensure compatibility with existing design constraints given the end-of-life status. Check for available alternative packages or pin-compatible replacements from the manufacturer's portfolio.
Selection Notes
Select this component when dual independent analog switches are required with moderate speed and low on-resistance. Consider the 16-SOIC package size for PCB layout constraints. Evaluate the ±4.5V to ±20V dual supply capability against system power requirements. Compare charge injection specifications against other devices if signal fidelity is critical.
Part Context
The DG423 belongs to the DG42x series of improved CMOS analog switches. It shares functional similarities with the DG421 and DG425 but offers specific performance trade-offs in resistance and speed. The part is part of Analog Devices' legacy Maxim Integrated product line, often used in applications transitioning from older bipolar switch technologies.
Replacement Considerations
Public confirmed substitute part numbers are not explicitly listed in the provided source material. Consult the manufacturer's official replacement guide for pin-compatible alternatives such as the DG421 or DG425, ensuring electrical parameters meet design requirements.
