The MAX485CUA+ is a low-power, slew-rate-limited transceiver designed for RS-485 and RS-422 communication. Engineered by Maxim Integrated, this device is optimized for balanced data transmission and is compliant with the TIA/EIA-485-A standard. It is a popular choice for establishing robust serial communication in industrial environments, building automation, and networked systems requiring differential signal transmission.

Key Features

• Interface Type: RS-485 / RS-422
• Data Rate: Up to 2.5Mbps
• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Low Quiescent Current: 300µA (typical)
• Low-Power Shutdown Mode: Reduces current to 0.1µA (typical)
• Receiver Input Impedance: 12kΩ (min)
• ESD Protection: ±15kV Human Body Model
• Package: 8-Pin µMAX

Product Advantages

The MAX485CUA+ transceiver is designed for efficient communication over long cable runs. Its slew-rate-limited driver minimizes EMI and reduces reflections caused by improperly terminated cables, making it ideal for noisy industrial settings. The low-power shutdown mode greatly conserves power when the transceiver is not in use, and its wide operating temperature range ensures reliability across various environmental conditions.

Applications

This transceiver is suitable for a variety of applications that require reliable data transmission. Common uses include:

• Industrial Control Systems
• Building Automation
• Networked Security Systems
• Remote Sensors
• Point-of-Sale (POS) Systems

Ordering Information

The MAX485CUA+ is available for order and can be sourced through Maxim Integrated's official distributors. It comes in a compact 8-pin µMAX package, which is suitable for space-constrained applications. For detailed specifications, application notes, and additional resources, please refer to the official product datasheet provided by Maxim Integrated.