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DG419AK
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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 30OHM 8CERDIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：30Ohm
- 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)：175ns, 145ns
- -3db Bandwidth：-
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：8pF, 8pF
- Current - Leakage (IS(off)) (Max)：250pA
- Crosstalk：-85dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：8-CDIP (0.300", 7.62mm)
- Supplier Device Package：8-CERDIP
- Number of Circuits：1
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Overview
The DG419AK is a precision analog switch manufactured by Analog Devices Inc. under the Maxim Integrated brand, utilizing LC2MOS technology for low power and high speed. It features a single SPDT configuration with a maximum on-resistance of 35 ohms. The device supports dual supply voltages ranging from ±4.5V to ±20V or a single supply from 9V to 36V. Key electrical parameters include a maximum switching time of 175ns for turn-on and 185ns for turn-off. It operates within an extended temperature range of -40°C to +85°C and is housed in an 8-PDIP package.
Feature Summary
- LC2MOS process ensures ultralow power dissipation while maintaining fast switching speeds.
- Break-before-make switching action prevents signal overlap during transitions.
- Wide supply voltage range accommodates various single and dual power systems.
Applications
- Precision test equipment
- Battery-powered instrumentation systems
- Sample-and-hold circuits
Procurement Notes
Verify the specific suffix 'AK' against official Analog Devices documentation to confirm package type and temperature grade. Distributor listings often prioritize standard variants like CJ or LDJ; ensure the selected part matches the required industrial temperature range and physical footprint before ordering.
Selection Notes
Select this component when low leakage and precise signal routing are required in space-constrained designs. The SPDT topology allows for flexible signal path selection. Ensure the input signal range remains within the specified VSS to VDD limits to maintain performance integrity.
Part Context
The DG419 belongs to the improved series of precision CMOS analog switches. It serves as a plug-in replacement for older discrete solutions and legacy ICs like the DG417. The family emphasizes reliability in data acquisition and signal conditioning applications requiring minimal distortion.
Replacement Considerations
The DG417 is documented as a direct predecessor. Verify pin compatibility and electrical specifications against the DG417 datasheet before substitution. Other members of the DG419 family may offer different packaging options.
