MAX1489EESD+

Drivers, Receivers, Transceivers Overview

The MAX1489EESD+ is a quad, low-power RS-232 line receiver designed for EIA/TIA-232 and CCITT V.28 communications in harsh environments. It features ±15kV ESD protection on all inputs and operates with a typical supply current of 350µA. The device guarantees data rates up to 120kbps and includes input hysteresis and time-domain filtering to eliminate the need for external components. It provides TTL and CMOS compatible outputs and is available in a 14-pin SOIC package.

Drivers, Receivers, Transceivers Feature Summary

• Enhanced electrostatic discharge protection rated at ±15kV via Human Body Model and ±8kV via IEC1000-4-2 contact discharge.
• Integrated input hysteresis and time-domain filtering that removes the requirement for external noise suppression components.
• Low power consumption with a typical supply current of 350µA during operation.
• Outputs are fully compatible with standard TTL and CMOS logic families.

Drivers, Receivers, Transceivers Applications

• PC Motherboards
• Modems
• Interfacing Data Terminal Equipment (DTE) with Data Circuit-Terminating Equipment (DCE)
• Equipment requiring compliance with IEC1000-4-2 or ±15kV ESD Protection standards

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'ESD+' against the manufacturer's official documentation to confirm the exact package type and temperature range. Ensure the component meets the required industrial specifications before integration into the final design.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require robust signal integrity in electrically noisy environments without adding external filtering. It serves as a direct replacement for legacy receivers like the MC1489 and SN75189 while offering superior ESD resilience.

Drivers, Receivers, Transceivers Part Context

This device belongs to the MAX1489E family of RS-232 line receivers manufactured by Analog Devices Inc./Maxim Integrated. It is specifically engineered to provide high reliability in communication interfaces where static discharge events are a primary concern.

Drivers, Receivers, Transceivers Replacement Considerations

The MAX1489E is pin-compatible with the MC1489, MC14C89, SN75189, SN75C189, DS1489, and DS14C89. These parts can be used as direct substitutes if electrical characteristics align with the system requirements.

Drivers, Receivers, Transceivers FAQ

Does the MAX1489E require external filtering components?

No, the device features built-in input hysteresis and time-domain filtering, which eliminates the need for external filtering components.

What is the guaranteed data rate for this receiver?

The MAX1489E guarantees a data rate of 120kbps under specified operating conditions.

How does the MAX1489E handle latchup during ESD events?

The device is designed to be latchup-free during an ESD event, ensuring continued operation after exposure to static discharges.