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DG409CY+
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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 100OHM 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：1.5Ohm
- Voltage - Supply, Single (V+)：5V ~ 30V
- Voltage - Supply, Dual (V±)：±5V ~ 20V
- Switch Time (Ton, Toff) (Max)：150ns, 150ns
- -3db Bandwidth：-
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：3pF, 14pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-92dB @ 100kHz
- Operating Temperature：0°C ~ 70°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 DG409CY+ is a dual 4-channel CMOS analog multiplexer/demultiplexer manufactured by Analog Devices Inc./Maxim Integrated. It operates with single supplies from +5V to +30V or dual supplies from ±5V to ±20V. The device features a maximum on-resistance of 100Ω, guaranteed channel matching of 8Ω max, and on-resistance flatness of 9Ω max. Input leakage current is less than 5nA at +85°C. It includes ESD protection exceeding 2000V per MIL-STD-883 Method 3015.7. The component is housed in a 16-pin Narrow SO package and supports an operating temperature range of 0°C to +70°C.
Feature Summary
- Pin-compatible plug-in upgrades for industry standard DG408/DG409
- Guaranteed low charge injection of 15pC max
- Digital input controls compatible with TTL/CMOS logic levels
- Rail-to-rail signal handling capability
Applications
- Sample-and-Hold Circuits
- Test Equipment
- Guidance and Control Systems
- Communications Systems
- Data-Acquisition Systems
- Audio Signal Routing
Procurement Notes
Verify the specific suffix 'CY' corresponds to the 0°C to +70°C commercial temperature grade and the 16-pin Narrow SOIC package configuration. Confirm that the '+'' indicates compliance with RoHS directives as specified in the manufacturer's ordering information. Ensure the source documentation matches the exact part number to avoid confusion with other temperature grades or package styles within the DG409 family.
Selection Notes
Select this component when a dual 4-channel multiplexer configuration is required for signal routing applications. The narrow SOIC package is suitable for surface-mount designs where space efficiency is prioritized. Consider the 0°C to +70°C operating range for standard commercial environments. Verify that the supply voltage requirements align with the +5V to +30V single or ±5V to ±20V dual supply specifications provided in the datasheet.
Part Context
The DG409 series represents improved CMOS analog multiplexers designed as direct replacements for legacy industry-standard parts. The DG409 specifically provides two independent 4-channel switches, distinguishing it from the single 8-channel DG408. This redesign enhances performance metrics such as on-resistance matching and charge injection while maintaining pin compatibility with previous generations.
Replacement Considerations
The DG409CY+ serves as a pin-compatible upgrade for the standard DG409. Designers replacing older versions should verify that the improved electrical characteristics, such as lower charge injection and better resistance matching, are compatible with the existing circuit design without requiring layout modifications.
