MAX398C/D

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX398C/D is a precision, monolithic CMOS analog multiplexer featuring eight normally open channels. It operates with single +3V to +15V or bipolar ±3V to ±8V supplies. The device guarantees on-resistance (RON) of 280Ω maximum at +5V single supply and 100Ω maximum at ±5V dual supply. Channel-to-channel RON matching is within 13Ω. Leakage current is less than 2.5nA at +85°C. Switching transition time is under 245ns at +5V single supply. Logic inputs are TTL/CMOS compatible. The component is rated for an operating temperature range of 0°C to +70°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Pin-compatible with industry-standard DG408, DG409, DG508A, and DG509A devices.
• Rail-to-rail signal handling capability across the full supply voltage range.
• Extremely low charge injection ensures minimal signal distortion during switching.
• ESD protection exceeding 2000V safeguards against electrostatic discharge events.

Analog Switches, Multiplexers, Demultiplexers Applications

• Sample-and-Hold Circuits
• Automatic Test Equipment
• Audio Signal Routing

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix requirements for the die configuration directly with the manufacturer. Confirm that the intended application environment remains within the specified 0°C to +70°C operating temperature range. Ensure power supply sequencing adheres to absolute maximum ratings to prevent permanent damage. Validate logic input voltage levels against the defined high and low thresholds for reliable operation.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when an 8-channel multiplexer is required with guaranteed channel matching. Consider the package availability if transitioning from legacy DIP or SOIC designs. Evaluate the on-resistance flatness requirements relative to the expected analog signal range. Verify that the single-supply or dual-supply architecture aligns with the system power constraints.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX398/MAX399 family of precision analog switches. The MAX398 variant provides eight independent channels, whereas the MAX399 offers two independent four-channel sets. Both share identical pinouts and electrical characteristics, facilitating direct interchangeability in designs requiring different channel counts.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct substitutes include DG408, DG409, DG508A, and DG509A due to pin compatibility. Verify that alternative components meet the specific on-resistance and leakage current specifications required by the design.