LTC1485IS8#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC1485IS8#TRPBF is a low power RS485 transceiver designed for use in industrial applications. It provides robust communication over long distances and is commonly used in systems that require reliable data transmission.

Characteristics: - Low power consumption - High data rate capability - Robust noise immunity - Wide supply voltage range - ESD protection - Half-duplex operation

Package: LTC1485IS8#TRPBF is available in an 8-pin SOIC package, which offers compact size and ease of integration into various electronic systems.

Essence: The essence of LTC1485IS8#TRPBF lies in its ability to facilitate reliable and efficient communication between devices in industrial environments, ensuring the integrity of transmitted data.

Packaging/Quantity: LTC1485IS8#TRPBF is typically sold in reels or tubes, with each reel containing 2500 units or each tube containing 98 units.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to 85°C
• Receiver Input Voltage Range: ±12V
• Driver Output Voltage Range: ±2V
• Quiescent Current: 300µA (typical)
• Shutdown Current: 1µA (maximum)

Pin Configuration

The LTC1485IS8#TRPBF features the following pin configuration:

Pin 1: DE - Driver Output Enable Pin 2: RE - Receiver Output Enable Pin 3: A - Non-Inverting Driver Input / Receiver Output Pin 4: B - Inverting Driver Input / Receiver Output Pin 5: GND - Ground Pin 6: BIAS - Bias Voltage Input Pin 7: VCC - Supply Voltage Pin 8: DI - Driver Input

Functional Features

• Driver Output Enable (DE): Controls the driver output stage, enabling or disabling transmission.
• Receiver Output Enable (RE): Controls the receiver output stage, enabling or disabling reception.
• Non-Inverting Driver Input / Receiver Output (A): Non-inverting data input for the driver and non-inverted received data output.
• Inverting Driver Input / Receiver Output (B): Inverting data input for the driver and inverted received data output.
• Ground (GND): Reference ground for the IC.
• Bias Voltage Input (BIAS): Provides bias voltage for internal circuitry.
• Supply Voltage (VCC): Power supply input for the IC.
• Driver Input (DI): Data input for the driver.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - High data rate capability allows for fast and efficient communication. - Robust noise immunity ensures reliable data transmission in noisy industrial environments. - Wide supply voltage range provides flexibility in various system designs. - ESD protection safeguards the IC from electrostatic discharge.

Disadvantages: - Limited to half-duplex operation, which means data can only be transmitted or received at a time.

Working Principles

The LTC1485IS8#TRPBF operates based on the RS485 standard, which uses differential signaling to transmit data. It employs a balanced line driver and receiver to achieve robust communication over long distances. The driver converts the logic level signals into differential voltages, while the receiver detects and decodes the differential signals back into logic levels.

Detailed Application Field Plans

The LTC1485IS8#TRPBF finds extensive application in various industrial fields, including but not limited to: - Factory automation systems - Process control systems - Building automation systems - Industrial instrumentation - Motor control systems - Robotics - HVAC (Heating, Ventilation, and Air Conditioning) systems

Detailed and Complete Alternative Models

• MAX485
• SN75176
• ADM485
• SP3485
• ST485
• ISL8485
• DS485
• LTC2850

These alternative models offer similar functionality and can be considered as substitutes for the LTC1485IS8#TRPBF in different applications.

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