LTC2850HDD#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: LTC2850HDD#TRPBF is a high-speed RS485/RS422 transceiver designed for robust communication in industrial applications. It provides reliable data transmission over long distances and in noisy environments.

Characteristics: - High-speed data rates up to 20Mbps - ±60V fault protection on bus pins - Low EMI emissions - Low power consumption - Wide operating temperature range (-40°C to 85°C) - Supports half-duplex communication

Package: LTC2850HDD#TRPBF comes in a 10-pin DFN package, which offers compact size and excellent thermal performance.

Essence: The essence of LTC2850HDD#TRPBF lies in its ability to ensure secure and error-free data transmission in challenging industrial environments.

Packaging/Quantity: This product is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Maximum Data Rate: 20Mbps
• Operating Temperature Range: -40°C to 85°C
• Common Mode Voltage Range: -7V to 12V
• Receiver Input Threshold: ±200mV
• Driver Output Voltage Swing: ±2V

Detailed Pin Configuration

1. DE - Driver Enable
2. RE - Receiver Enable
3. RO - Receiver Output
4. DI - Driver Input
5. GND - Ground
6. VCC - Power Supply
7. B - Non-Inverting Bus Pin
8. A - Inverting Bus Pin
9. Z - Receiver Output
10. NC - No Connection

Functional Features

• Robust Communication: LTC2850HDD#TRPBF ensures reliable data transmission over long distances and in noisy industrial environments.
• Fault Protection: It provides ±60V fault protection on bus pins, safeguarding the transceiver from voltage spikes and other electrical disturbances.
• Low EMI Emissions: The transceiver is designed to minimize electromagnetic interference (EMI) emissions, ensuring compatibility with sensitive equipment.
• Low Power Consumption: LTC2850HDD#TRPBF consumes minimal power, making it suitable for battery-powered applications.
• Wide Operating Temperature Range: With an operating temperature range of -40°C to 85°C, this transceiver can withstand extreme environmental conditions.
• Half-Duplex Communication: It supports half-duplex communication, allowing bidirectional data transfer on a single communication line.

Advantages and Disadvantages

Advantages: - High-speed data rates enable fast and efficient communication. - Robust fault protection ensures reliable operation in harsh environments. - Low power consumption extends battery life in portable applications. - Wide operating temperature range allows for use in various industrial settings. - Compact package size offers space-saving benefits.

Disadvantages: - Limited to half-duplex communication, not suitable for full-duplex applications. - Requires external components for proper operation.

Working Principles

LTC2850HDD#TRPBF operates as an RS485/RS422 transceiver by converting the logic-level signals from the driver input (DI) into differential voltage signals on the A and B bus pins. These differential signals are then received and converted back into logic-level signals by the receiver output (RO). The transceiver incorporates fault protection circuitry to safeguard against voltage spikes and other electrical disturbances.

Detailed Application Field Plans

LTC2850HDD#TRPBF finds extensive application in various industrial fields, including: 1. Factory Automation: Enables reliable communication between PLCs, sensors, and actuators in automated manufacturing processes. 2. Building Automation: Facilitates data exchange between control systems, HVAC equipment, lighting systems, and security devices in smart buildings. 3. Process Control: Ensures secure communication between control units and field instruments in industrial process control systems. 4. Energy Management: Enables efficient monitoring and control of energy distribution systems, renewable energy sources, and smart grid infrastructure.

Detailed and Complete Alternative Models

1. MAX485 - A popular RS485 transceiver with similar features and performance characteristics.
2. SN75176 - An RS485/RS422 transceiver offering high-speed data rates and robust fault protection.
3. ADM485 - Another reliable RS485 transceiver known for its low power consumption and wide temperature range.

These alternative models can be considered based on specific application requirements and availability.

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