MAX3033ECUE

Overview

The MAX3033ECUE is a quad RS-422 transmitter manufactured by Analog Devices Inc./Maxim Integrated, designed for digital data transmission over twisted-pair balanced lines. It complies with TIA/EIA-422-B and ITU-T V.11 standards. The device operates on a single +3.3V supply voltage (range 3.0V to 3.6V) and supports a guaranteed data rate of 2Mbps with slew-rate limiting to minimize EMI. It features ±15kV Human Body Model ESD protection on all outputs and includes thermal shutdown. Packaged in a 16-pin TSSOP, it offers low static power consumption of less than 330µW.

Feature Summary

• Slew-rate-controlled 2Mbps data rate minimizes electromagnetic interference and reduces signal reflections caused by improperly terminated cables.
• Hot-swap functionality eliminates false transitions on the data cable during power-up or removal events.
• Outputs are protected against electrostatic discharge up to ±15kV using the Human Body Model.

Applications

• Industrial communication systems requiring robust RS-422 signaling
• Data acquisition networks utilizing twisted-pair balanced lines
• Embedded control systems operating under strict EMI constraints

Procurement Notes

Verify the component authenticity through official manufacturer channels or authorized distributors. Confirm that the specific suffix matches the required package type and temperature range. Ensure compliance with RoHS directives if environmental regulations apply to the assembly process. Cross-reference the datasheet revision to confirm feature consistency before finalizing procurement orders.

Selection Notes

Select this component when a quad driver is required for RS-422 applications without receiver integration. The 2Mbps slew-rate-limited specification makes it suitable for environments sensitive to electromagnetic interference compared to higher-speed variants. Verify that the system operates within the specified 3.3V supply range and requires hot-swap capability for reliable operation during connection changes.

Part Context

This part belongs to the MAX3030E–MAX3033E family of quad RS-422 transmitters. While other members like the MAX3030E offer 20Mbps speeds, the MAX3033ECUE specifically provides controlled slew rates for the 2Mbps rate. It shares the same industry-standard pinout and low-power design characteristics as its siblings within the series.

Replacement Considerations

The MAX3033EEUE serves as a direct equivalent variant within the same product family, differing primarily in packaging configuration while maintaining identical electrical specifications and functionality.

FAQ

Does the MAX3033ECUE include integrated receivers?

No, the MAX3033ECUE is a transmitter-only device containing four drivers and zero receivers.

What is the maximum ESD protection rating for the outputs?

All transmitter outputs are protected to ±15kV using the Human Body Model.

How does the MAX3033ECUE handle cable disconnection during operation?

It features hot-swap functionality which eliminates false transitions on the data cable during power-up or removal.