MAX394EAP+T

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX394EAP+T is a low-voltage, quad single-pole/double-throw (SPDT) analog switch in a 20-pin SSOP package. It operates with bipolar supplies from ±2.7V to ±8V or a single supply of +2.7V to +15V. The device features an on-resistance of less than 35Ω at ±4.5V and guarantees channel matching within 2Ω. It offers turn-off times under 75ns and turn-on times under 130ns. Quiescent current is less than 1μA. Logic inputs are TTL and CMOS compatible.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Supports both single-supply (+2.7V to +15V) and dual-supply (±2.7V to ±8V) operation for flexible system integration.
• Features rail-to-rail analog signal handling capability, allowing signals to range between supply voltages without damage.
• Provides break-before-make switching with extremely low charge injection (10pC typical) and high electrostatic discharge protection (>2000V).
• Logic inputs are fully compatible with standard TTL and CMOS logic levels across the operating voltage range.

Analog Switches, Multiplexers, Demultiplexers Applications

• Test Equipment
• Communications Systems
• Portable Instruments

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix '+T' indicates tape-and-reel packaging when sourcing components. Confirm that the 'E' grade designation corresponds to the extended temperature range of -40°C to +85°C required for your application environment. Ensure compatibility with the 20-pin SSOP footprint during PCB layout verification.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a quad SPDT configuration is needed with low power consumption and rail-to-rail signal handling. Verify that the maximum on-resistance of 35Ω meets the signal integrity requirements of your circuit. Consider the 20-pin SSOP package constraints if space is limited compared to wider SOIC options.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the Maxim Integrated MAX394 family of precision analog switches. It serves as a direct pin-compatible replacement for older models like the MAX333 and MAX333A. The device utilizes a low-voltage silicon-gate process to achieve high performance while maintaining low power dissipation suitable for battery-operated systems.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The MAX394EAP+T is explicitly documented as a pin-compatible replacement for the MAX333 and MAX333A. Designers upgrading from these legacy parts should verify that the new on-resistance and leakage specifications align with their existing circuit tolerances.