MAX384EPN

Overview

The MAX384EPN is a dual 4-channel analog multiplexer manufactured by Analog Devices Inc./Maxim Integrated. It operates on single supplies from +2.7V to +16.5V or dual supplies from ±3V to ±8V. The device features latchable digital inputs and pin compatibility with industry-standard DG428/DG429. Key electrical characteristics include a maximum on-resistance of 100Ω, an on-resistance matching between channels of 4Ω max, and off-leakage current less than 2.5nA at +85°C. It is housed in an 18-pin Plastic DIP package.

Feature Summary

• Features latchable digital inputs for address holding without constant microprocessor bus signals.
• Offers low on-resistance with guaranteed matching between channels.
• Supports both single-supply and bipolar supply operation ranges.
• Provides high ESD protection exceeding 2000V per Method 3015.7.

Applications

• Battery-operated systems
• Audio signal routing
• Low-voltage data-acquisition systems
• Sample-and-hold circuits
• Automatic test equipment

Procurement Notes

Verify the specific suffix 'EPN' corresponds to the -40°C to +85°C extended temperature range and 18-pin Plastic DIP package configuration. Confirm that the component meets RoHS compliance requirements if applicable to your manufacturing standards. Check for obsolescence status as older Maxim products may have limited availability or be subject to replacement notices.

Selection Notes

Select this component when designing systems requiring dual independent 4-channel switching within a compact footprint. Ensure the application voltage does not exceed the specified single or dual supply limits. Consider the latchable input feature to simplify digital control logic compared to non-latching alternatives like the MAX398/MAX399 series.

Part Context

This part belongs to the MAX382/MAX384 family of low-voltage CMOS multiplexers. It serves as the dual-channel counterpart to the single-ended MAX382. The device is designed to replace legacy industry-standard switches while offering improved power consumption and performance metrics suitable for modern low-voltage electronic designs.

Replacement Considerations

Pin-compatible replacements include DG428, DG429, DG528, DG529, MAX368, and MAX369. Verify functional equivalence regarding latchability and supply voltage ranges before substitution.

FAQ

How does the latchable input functionality benefit system design?

The latchable inputs allow the multiplexer to maintain the selected channel state indefinitely after a write strobe, eliminating the need for the microprocessor to constantly drive address lines.

What is the maximum operating supply voltage for single-supply operation?

The MAX384EPN supports single-supply operation up to +16.5V.