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The DG309CJ+ is a quad, single-pole-single-throw (SPST) analog switch manufactured by Analog Devices Inc./Maxim Integrated. It features normally closed contacts and operates with split supplies ranging from ±5V to ±20V or a single positive supply from +5V to +30V. The device provides a channel on-resistance of 60 Ω, with turn-on and turn-off times under 120ns and 90ns respectively. It utilizes CMOS inputs for low leakage currents and supports a maximum breakdown voltage of 44V. The component is housed in a 16-pin Plastic DIP package and functions within an operating temperature range of 0°C to +70°C.
Verify the specific ordering suffix against official manufacturer documentation to confirm package type and temperature rating. Ensure compatibility with existing PCB footprints for the 16-PDIP configuration. Confirm RoHS compliance status through current datasheets as manufacturing processes may evolve. Cross-reference pin assignments with the official pin description table to prevent circuit errors during integration.
Select this component when normally closed signal paths are required in analog switching applications. The 60 Ω on-resistance suits precision circuits where minimal signal attenuation is critical. Verify that the 44V breakdown voltage meets system blocking requirements. Consider the 0°C to +70°C industrial temperature range for environmental suitability. Evaluate power dissipation limits relative to the Plastic DIP thermal characteristics.
This part belongs to the DG308A/DG309 family of quad SPST analog switches. While the DG308A offers normally open contacts, the DG309 variant provides normally closed functionality. Both share identical electrical specifications and packaging options. The series is designed for high-speed switching with low distortion, making it suitable for data acquisition and signal routing systems requiring reliable analog connectivity.
DG309CJ+