DG304BDJ

Analog Switches, Multiplexers, Demultiplexers Overview

The DG304BDJ is a monolithic CMOS analog switch from the Vishay Siliconix DG series, housed in a 14-pin Plastic DIP package. It contains four independent SPST switches with a maximum on-resistance of 50 Ω at room temperature and 75 Ω across the full operating range. The device supports an analog signal range of ±15 V and operates on single or dual supplies ranging from +4.5 V to +22 V (single) or ±2.25 V to ±11 V (dual). Key dynamic parameters include a turn-on time of 110 ns, turn-off time of 70 ns, and micropower consumption of 30 nW. It functions within a temperature range of -40 °C to +85 °C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• CMOS logic compatible input levels for direct digital control
• Break-before-make switching action prevents signal shorting
• Epitaxial layer construction ensures latchup immunity
• Flat on-resistance profile across the full analog voltage range

Analog Switches, Multiplexers, Demultiplexers Applications

• Low level switching circuits
• Programmable gain amplifiers
• Portable and battery powered systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix when purchasing. The base part number DG304BDJ corresponds to leaded terminations which may not be RoHS compliant. For lead-free requirements, confirm if the -E3 suffix is required. Ensure the supplier provides the correct datasheet revision matching the component marking.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring fast switching speeds and low power dissipation. The DG304BDJ offers four channels, whereas the DG306B and DG307B variants provide different channel configurations such as SPDT. Verify that the supply voltage and analog signal range align with the system's operational limits before integration.

Analog Switches, Multiplexers, Demultiplexers Part Context

The DG304BDJ belongs to the Vishay Siliconix DG30x family of CMOS analog switches. This series is designed for communications, instrumentation, and process control applications. It shares manufacturing processes with related parts like the DG306B and DG307B, offering consistent performance characteristics across the product line.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Public confirmed substitutes include the DG306BDJ and DG307BDJ from the same manufacturer family. Cross-manufacturer equivalents should be verified against pinout and electrical specifications.

Analog Switches, Multiplexers, Demultiplexers FAQ

What is the break-before-make time for the DG304BDJ?

The datasheet specifies a break-before-make time of 50 ns, though this parameter is explicitly guaranteed for the DG305A and DG307A variants.

How does the DG304BDJ handle signals exceeding the supply rails?

Signals on the source or drain pins exceeding V+ or V- will be clamped by internal diodes. The forward diode current must be limited to the maximum current ratings to prevent damage.

Is the DG304BDJ suitable for single-supply operation?

Yes, single supply operation is allowed by connecting the V- rail to 0 V. The device supports positive switch voltages in this configuration.