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DG417DY+
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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX1 35OHM 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SPST - NC
- 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)：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：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Number of Circuits：1
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Overview
The DG417DY+ is a single-pole/single-throw (SPST) precision CMOS analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single +10V to +30V supply or bipolar ±4.5V to ±20V supplies. The device features a maximum on-resistance of 35Ω, guaranteed on-resistance matching of 3Ω max, and flatness of 4Ω max over the signal range. Switching times are less than 175ns for turn-on and 145ns for turn-off. It offers low charge injection of 10pC max and off-leakage current below 5nA at +85°C. The component is housed in an 8-pin SOIC package with an operating temperature range of -40°C to +85°C.
Feature Summary
- Guaranteed on-resistance matching and flatness over the signal range
- Low power consumption with rail-to-rail signal handling capability
- TTL/CMOS logic compatible operation
- High electrostatic discharge tolerance
Applications
- Sample-and-Hold Circuits
- Communications Systems
- Test Equipment
- Battery-Operated Systems
- Audio Signal Routing
Procurement Notes
Verify the specific suffix 'DY+' against official manufacturer documentation to confirm the surface-mount SOIC package and extended industrial temperature range (-40°C to +85°C). Ensure compatibility with single or dual supply configurations as specified in the electrical characteristics table before finalizing procurement orders.
Selection Notes
Select this component when precise on-resistance matching and low charge injection are required for signal routing applications. Verify that the 35Ω maximum on-resistance meets system requirements. Confirm that the 8-pin SOIC package dimensions fit the PCB layout constraints and that the logic input levels align with the control circuitry voltage standards.
Part Context
The DG417DY+ belongs to the DG417/DG418/DG419 series of improved precision CMOS analog switches. This family replaces older industry-standard designs with enhanced performance metrics including lower leakage and better resistance matching. The DG417 variant specifically provides a normally closed SPST configuration within this optimized monolithic architecture.
Replacement Considerations
Direct pin-compatible replacements include the DG418DY+ (normally open) and DG419DY+ (SPDT). For legacy upgrades, verify that the improved electrical characteristics such as reduced charge injection and leakage currents are acceptable for the existing application design.
