MAX3043ESE+T

Overview

The MAX3043ESE+T is a quad RS-485/RS-422 transmitter operating from a single +5V supply. It supports data rates up to 250kbps with a typical propagation delay of 1.5µs and rise/fall times of 1.33µs. The device features ±10kV Human Body Model ESD protection and withstands ±4kV Electrical Fast Transient/Burst stress per IEC 1000-4-4. It operates within a temperature range of -40°C to +85°C in a 16-pin Narrow SO package. Supply current is 1mA, dropping to 2nA in shutdown mode.

Feature Summary

• Hot-swap capability prevents false transitions during power-up or hot insertion
• Slew-rate limiting minimizes electromagnetic interference and cable reflections
• Pin-compatible with industry-standard 'SN75174 and 'DS26LS31C devices

Applications

• Telecommunications equipment
• Industrial motor control systems
• Transmitter for ESD-sensitive applications
• Hand-held equipment
• Industrial PLCs

Procurement Notes

Verify the component matches the exact part number MAX3043ESE+T before integration. Confirm the manufacturer is Analog Devices / Maxim Integrated. Ensure the package type is 16-pin Narrow SO. Check that the temperature grade corresponds to the industrial range (-40°C to +85°C). Validate RoHS compliance status through official documentation.

Selection Notes

Select this component when designing systems requiring quad differential transmission at low data rates up to 250kbps. It is suitable for environments needing robust ESD and fast transient immunity. Use it as a direct replacement for legacy SN75174 or DS26LS31C drivers where lower power consumption and enhanced protection are required.

Part Context

This device belongs to the MAX3040–MAX3045 family of 5V quad transmitters. While other members like the MAX3044 support higher speeds up to 2.5Mbps, the MAX3043 is specifically optimized for slower data transfer rates. It shares the same physical footprint and pinout configuration as its faster counterparts within the series.

Replacement Considerations

Public confirmed substitute part numbers include MAX3040E, MAX3041E, and MAX3042BE. These parts share pin compatibility but differ in maximum data rate specifications. Verify electrical characteristics match system requirements before substitution.