DG409CJ+

Analog Switches, Multiplexers, Demultiplexers Overview

The DG409CJ+ 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 flatness of 9Ω max. Key electrical parameters include a maximum charge injection of 15pC, input leakage current under 5nA at +85°C, and low power consumption of 1.25mW max. It provides ESD protection exceeding 2000V per MIL-STD-883 Method 3015.7 and supports rail-to-rail signal handling.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Pin-compatible plug-in upgrades for industry standard DG408/DG409
• Guaranteed low charge injection and low on-resistance
• Digital input controls compatible with TTL/CMOS logic levels
• High ESD protection rating exceeding 2000V

Analog Switches, Multiplexers, Demultiplexers Applications

• Sample-and-Hold Circuits
• Test Equipment
• Guidance and Control Systems
• Communications Systems
• Data-Acquisition Systems
• Audio Signal Routing

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the component designation against official manufacturer documentation to confirm it represents the specific DG409 dual 4-channel multiplexer variant. Ensure that the ordering suffix aligns with the required temperature range and package type specifications defined in the datasheet. Cross-reference part numbers with authorized distributors to validate authenticity and traceability before procurement.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when designing systems requiring dual 4-channel analog switching with high precision. The guaranteed channel matching and flatness make it suitable for applications demanding signal integrity. Verify that the operating voltage range and thermal environment fall within the specified limits for the C-grade commercial temperature range.

Analog Switches, Multiplexers, Demultiplexers Part Context

This component belongs to the DG408/DG409 series of improved CMOS analog multiplexers. It serves as a direct replacement for legacy industry-standard parts while offering enhanced performance characteristics such as lower charge injection and better resistance matching across channels.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The DG409CJ+ is designed as a pin-compatible upgrade for the standard DG409. Verify compatibility with existing board layouts and ensure that any alternative components maintain the same pin configuration and electrical specifications.