MAX13223EEUP+

Updated: 2026-08-06

Overview

The MAX13223EEUP+ is a robust RS-485/RS-422 transceiver manufactured by Maxim Integrated. It is designed for high-speed data communication in industrial environments, offering reliable performance in noisy conditions. The device operates over a wide voltage range (3V to 5.5V) and includes built-in ESD protection, making it suitable for harsh applications. With its low power consumption and failsafe receiver inputs, the MAX13223EEUP+ ensures stable communication even when the bus is idle or shorted. Its compact TSSOP package allows for easy integration into space-constrained designs, catering to modern industrial automation and control systems.

Structure and Working Principle

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The MAX13223EEUP+ integrates a driver and receiver for full-duplex or half-duplex communication. The driver converts logic-level signals into differential outputs for transmission over RS-485/RS-422 networks. The receiver, on the other hand, translates differential signals back into logic levels for the host system. The device features a slew-rate-limited driver to minimize EMI and ensure signal integrity. Its receiver includes failsafe circuitry, which guarantees a logic-high output when the bus is idle or shorted. This design prevents data errors in noisy environments, making the MAX13223EEUP+ a reliable choice for industrial applications.

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Key Features

The MAX13223EEUP+ stands out for its low power consumption, typically drawing less than 1mA in shutdown mode. It also offers robust ESD protection (±15kV HBM), safeguarding against electrostatic discharges common in industrial settings. The device supports data rates up to 20Mbps, accommodating high-speed communication needs. Additionally, the transceiver operates over a wide temperature range (-40°C to +85°C), ensuring reliability in extreme conditions. Its failsafe receiver inputs eliminate the need for external biasing resistors, simplifying circuit design and reducing component count.

Application Areas

The MAX13223EEUP+ is widely used in industrial automation, process control, and building automation systems. Its robust design makes it ideal for applications such as motor control, HVAC systems, and factory equipment where noise immunity is critical. The transceiver is also employed in renewable energy systems, such as solar inverters and wind turbines, where reliable communication over long distances is essential. Its compatibility with RS-485/RS-422 standards ensures seamless integration into existing network infrastructures.

Maintenance and Precautions

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To ensure optimal performance, the MAX13223EEUP+ should be properly grounded to minimize noise interference. Avoid exceeding the specified voltage limits (3V to 5.5V) to prevent damage to the device. Regular inspection of the communication lines for shorts or open circuits is recommended. When designing the PCB, place decoupling capacitors close to the power pins to stabilize the supply voltage. Ensure that the bus termination resistors match the characteristic impedance of the transmission line to prevent signal reflections and data errors.

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B2B Procurement Guide

When procuring the MAX13223EEUP+, verify the supplier's authenticity to avoid counterfeit components. Check for compliance with industry standards (e.g., RS-485, RS-422) and request datasheets for technical validation. Bulk purchases may qualify for discounts, but ensure the components are stored in anti-static packaging. Lead times can vary, so plan orders in advance to avoid production delays. Consider evaluating samples before large-scale procurement to confirm compatibility with your application. Reputable distributors like Digi-Key, Mouser, and Arrow Electronics are reliable sources for genuine MAX13223EEUP+ transceivers.