MAX3483EESA

Product Overview

• Category: Integrated Circuit
• Use: RS-485/RS-422 Transceiver
• Characteristics:
  • Low-power transceiver for half-duplex communication
  • Supports data rates up to 250kbps
  • Operates from a single 3.3V supply
  • Suitable for industrial control systems, building automation, and other applications requiring long-distance data transmission
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: MAX3483EESA is a versatile transceiver designed for reliable and efficient serial communication over long distances.
• Packaging/Quantity: Available in tape and reel packaging with 2,500 units per reel.

Specifications

• Supply Voltage Range: 3.0V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 250kbps
• Number of Drivers/Receivers: 1/1
• Receiver Hysteresis: 50mV
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The MAX3483EESA package consists of 8 pins:

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. A (Non-Inverting Driver Input/Receiver Output)
4. B (Inverting Driver Input/Receiver Output)
5. GND (Ground)
6. BIAS (Bias Resistor Connection)
7. VCC (Power Supply)
8. RO (Receiver Output)

Functional Features

• Half-Duplex Communication: The MAX3483EESA supports bidirectional data transmission on a single pair of wires, allowing for efficient half-duplex communication.
• Low-Power Operation: Designed for power-sensitive applications, the transceiver operates at low power levels, conserving energy and extending battery life.
• Robust Communication: The receiver features built-in hysteresis, providing noise immunity and ensuring reliable data reception even in noisy environments.
• ESD Protection: The device offers high electrostatic discharge (ESD) protection, safeguarding against potential damage from static electricity.

Advantages and Disadvantages

Advantages: - Low-power operation extends battery life - Robust communication in noisy environments - High ESD protection ensures device durability

Disadvantages: - Limited to half-duplex communication only - Data rate limited to 250kbps

Working Principles

The MAX3483EESA is based on a differential line driver and receiver architecture. It uses differential signaling to transmit and receive data, allowing for noise rejection and long-distance communication. The driver amplifies the transmitted signal, while the receiver detects and amplifies the received signal. The transceiver operates in half-duplex mode, meaning it can either transmit or receive data at a given time.

Detailed Application Field Plans

The MAX3483EESA is widely used in various applications that require reliable and long-distance data transmission. Some of the common application fields include:

1. Industrial Control Systems: The transceiver is suitable for connecting sensors, actuators, and other devices in industrial control systems, enabling efficient communication over long distances.
2. Building Automation: It can be utilized in building automation systems to connect different components such as HVAC systems, lighting controls, and access control devices.
3. Security Systems: The transceiver can facilitate communication between security devices like cameras, access control panels, and alarm systems, ensuring reliable data transmission.
4. Automotive Electronics: It finds applications in automotive electronics for connecting various subsystems, such as engine control units, body control modules, and infotainment systems.

Detailed and Complete Alternative Models

• MAX485EESA: Similar to MAX3483EESA, but with a higher data rate of up to 2.5Mbps.
• SN75176B: Another RS-485 transceiver with similar characteristics and functionality.
• LTC1480: Low-power RS-485 transceiver with integrated fail-safe circuitry.

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