MAX3485 TTL to RS485 Converter Module

MAX3485 TTL to RS485 Converter Module is a high-speed, low-power transceiver module designed for serial communication between TTL and RS485 devices. It enables long-distance, robust, and noise-resistant data transmission with differential signaling.

Key Features of MAX3485 Module:

• • TTL to RS485 Conversion: Facilitates communication between microcontrollers and RS485 networks.
  • Half-Duplex Communication: Supports bidirectional data transfer.
  • Low Power Consumption: Operates with minimal power usage.
  • High-Speed Data Transmission: Up to 12Mbps data rate.
  • 3.3V and 5V Compatibility: Works with most microcontrollers and embedded systems.
  • ESD Protection: Enhanced protection against electrostatic discharge.

Technical Specifications of MAX3485 Module:

• • Operating Voltage: 3.3V – 5V
  • Data Rate: Up to 12Mbps
  • Communication Type: Half-duplex
  • Power Consumption: Low-power operation
  • Operating Temperature: -40°C to 85°C
  • Package: Module with screw terminals and header pins

Schematic Diagram and Pinout of MAX3485 Module:

• • Pinout:
    • VCC: Power input (3.3V or 5V).
    • GND: Ground connection.
    • RO (Receiver Output): TTL serial output.
    • DI (Driver Input): TTL serial input.
    • DE (Driver Enable): Controls RS485 transmission mode.
    • RE (Receiver Enable): Enables/disables receiving.
    • A & B: Differential RS485 signal lines.
  • Schematic Diagram: Uses differential signaling to ensure robust communication over long distances.

Applications of MAX3485 Module:

• • Industrial Automation: Reliable communication in noisy environments.
  • Long-Distance Communication: RS485 networks up to 1200 meters.
  • Microcontroller Interfaces: Used with Arduino, ESP8266, STM32, Raspberry Pi, etc.
  • Security Systems: Implemented in CCTV and access control systems.
  • Building Automation: Used in HVAC, fire alarms, and smart metering.

Equivalent Models of MAX3485:

• • MAX485: Similar RS485 transceiver with TTL interface.
  • SN75176: Alternative transceiver for RS485 applications.

Datasheet:

• • Download MAX3485 Datasheet

Keywords for MAX3485:

• • MAX3485
  • RS485 Transceiver
  • TTL to RS485 Module
  • Serial Communication
  • MAX3485 RS485 Converter

Package Includes:

• • 1 x MAX3485 TTL to RS485 Converter Module