MAX3033EEUE+T

Overview

The MAX3033EEUE+T is a quad RS-422 transmitter manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +3V to +3.6V supply, with typical operation at +3.3V. The device provides four differential drivers compliant with TIA/EIA-422-B and ITU-T V.11 standards. It features a guaranteed maximum data rate of 2Mbps with slew-rate limiting to minimize EMI. Key electrical parameters include a static supply current of less than 100µA, a propagation delay of up to 70ns, and ±15kV Human Body Model ESD protection on all outputs. The component is housed in a 16-pin TSSOP package.

Feature Summary

• Slew-rate-limited 2Mbps data transmission for reduced electromagnetic interference
• Hot-swap capability prevents false transitions during power-up or board insertion
• Enhanced ±15kV ESD protection on driver outputs using the Human Body Model
• Low-power design with static current consumption under 100µA

Applications

• Telecom backplanes
• V.11/X.21 interface circuits
• Industrial programmable logic controllers (PLCs)
• Motor control systems

Procurement Notes

Verify that the ordering suffix '+T' corresponds to tape-and-reel packaging as specified in the manufacturer's documentation. Confirm the 'EE' designation indicates an extended temperature range of -40°C to +85°C. Ensure the component matches the specific pinout configuration for the MAX3033E variant, which utilizes dual enable inputs rather than global enable controls.

Selection Notes

Select this component when designing systems requiring quad RS-422 transmission with strict electromagnetic compatibility constraints due to its slew-rate limitation. It is suitable for applications needing hot-swap functionality to protect against bus contention during board insertion. Verify that the system voltage remains within the 3V to 3.6V range and that the required data rate does not exceed 2Mbps.

Part Context

This part belongs to the MAX3030E–MAX3033E family of quad RS-422 transmitters. It serves as a low-power, ESD-protected upgrade to industry-standard devices like the 26LS31 and SN75174. The MAX3033E specifically differs from other family members by offering a 2Mbps data rate with slew-rate control, whereas variants like the MAX3030E provide higher speeds without slew limiting.

Replacement Considerations

Direct functional replacements within the same family include the MAX3031E series, which shares the 2Mbps slew-rate-limited specification. For pin-compatible upgrades to legacy designs, verify compatibility with the 26LS31 or SN75174 standards. Ensure any substitute maintains the 16-pin TSSOP footprint and supports the required operating temperature range.