The MAX490CPA is a low-power, half-duplex RS-485/RS-422 transceiver designed for reliable differential data communication in industrial and embedded systems. With built-in slew-rate limiting, this device reduces electromagnetic interference (EMI) and meets data-bus requirements in noise-sensitive environments. Ideal for long cable runs, multi-drop networks, PLCs, and automation controllers, it provides robust signal integrity with low power consumption.

Key Features:

• Low-Power Operation: Efficient performance for battery-powered and energy-sensitive systems
• Slew-Rate Limited: Reduces EMI for improved signal integrity and compliance
• RS-485/RS-422 Compatible: Supports balanced differential data transmission
• Half-Duplex Transceiver: Single pair data bus with driver/receiver on one IC
• Thermal Shutdown & Protection: Enhanced reliability in industrial use
• Wide Voltage Range: Operates over standard logic and industrial power rails

Specifications:

• Model: MAX490CPA
• Function: Low-Power RS-485/RS-422 Transceiver
• Data Direction: Half-Duplex
• Slew-Rate Limiting: Built-in (reduces overshoot and EMI)
• Supply Voltage: Typically 5V (check datasheet for exact range)
• Interface: Differential driver/receiver pair
• Package: 8-Pin THT
• Protection: Thermal shutdown, short-circuit protection

Applications:

• Industrial control networks (RS-485)
• PLCs, motor drives, and sensor networks
• Building automation and HVAC systems
• Differential data links over long cable runs
• Embedded communications with noise suppression

Datasheet: Click Here