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DG419LEUA+T
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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 35OHM 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：35Ohm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：9V ~ 36V
- Voltage - Supply, Dual (V±)：±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：15pC
- Channel Capacitance (CS(off), CD(off))：8pF, 8pF
- Current - Leakage (IS(off)) (Max)：250pA
- Crosstalk：-86dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-uMAX/uSOP
- Number of Circuits：1
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Overview
The DG419LEUA+T 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 a single supply voltage range of 9V to 36V or dual supplies of ±4.5V to ±20V. Key electrical parameters include a maximum charge injection of 15pC, off-isolation of -86dB at 1MHz, and a maximum operating temperature of +125°C. It is housed in an 8-MSOP package.
Feature Summary
- LC2MOS process ensures ultralow power dissipation while maintaining fast switching speeds.
- Break-before-make switching action prevents signal shorting during state transitions.
- High input impedance and low leakage currents support precision signal handling.
Applications
- Precision test equipment
- Battery-powered systems
- Sample-and-hold circuits
Procurement Notes
Verify the specific suffix 'LEUA+T' against official Analog Devices documentation to confirm the tape-and-reel packaging and extended industrial temperature rating. Ensure compatibility with existing PCB footprints for the 8-MSOP package before procurement.
Selection Notes
Select this component when low power consumption and fast switching are required in space-constrained designs. The SPDT topology allows routing signals between two paths. Verify that the 35-ohm on-resistance meets the application's voltage drop requirements.
Part Context
This part belongs to the DG419 family of improved SPST/SPDT analog switches. It serves as a modern replacement for legacy CMOS switches, offering enhanced performance metrics such as lower charge injection and higher bandwidth compared to earlier generations.
Replacement Considerations
Check for direct pin-compatible alternatives within the ADG417 or DG411 families if sourcing constraints exist. Confirm that substitute parts meet the same thermal and electrical specifications for the target environment.
