LTC2856HMS8-2#TRPBF

Product Overview

Category

The LTC2856HMS8-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in various electronic devices and systems for signal transmission and communication purposes.

Characteristics

• The LTC2856HMS8-2#TRPBF is a high-speed, low-power RS485/RS422 transceiver.
• It operates with a supply voltage range of 3V to 5.5V.
• This transceiver supports data rates up to 20Mbps.
• It features ±60V overvoltage fault protection on the bus pins.
• The device has a low quiescent current, making it suitable for battery-powered applications.
• It offers a wide common-mode voltage range, allowing for reliable communication in noisy environments.

Package and Quantity

The LTC2856HMS8-2#TRPBF is available in an MSOP-8 package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to 85°C
• Common-Mode Voltage Range: -7V to 12V
• Quiescent Current: 300µA (typical)
• Overvoltage Fault Protection: ±60V
• Package Type: MSOP-8

Pin Configuration

The LTC2856HMS8-2#TRPBF has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Power Supply (VCC) / Ground (GND) --| A B |-- Pin 2: RS485/RS422 Differential Data Inputs --| Y Z |-- Pin 3: RS485/RS422 Differential Data Outputs --| RE DE |-- Pin 4: Receiver Enable (RE) / Driver Enable (DE) --| RO DI |-- Pin 5: Receiver Output (RO) / Driver Input (DI) --| - - |-- Pin 6: Not Connected --| - - |-- Pin 7: Not Connected --| - - |-- Pin 8: Not Connected |___________| ```

Functional Features

• The LTC2856HMS8-2#TRPBF provides a robust interface for long-distance communication.
• It supports both half-duplex and full-duplex communication modes.
• The receiver input has a fail-safe feature, ensuring a known output state when the inputs are open or shorted.
• The driver output is short-circuit protected, preventing damage to the transceiver in case of bus faults.
• This transceiver features thermal shutdown protection, safeguarding it from excessive heat.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability.
• Wide common-mode voltage range for reliable operation in noisy environments.
• Low quiescent current, suitable for battery-powered applications.
• Overvoltage fault protection enhances system robustness.
• Fail-safe receiver input ensures a known output state.

Disadvantages

• Limited number of available package options.
• May require additional external components for certain applications.

Working Principles

The LTC2856HMS8-2#TRPBF operates based on the principles of differential signaling. It uses a balanced transmission line to transmit data, which helps in reducing noise susceptibility and increasing signal integrity. The transceiver converts the single-ended logic signals into differential signals for transmission and vice versa. It incorporates various protection features to ensure reliable communication in harsh environments.

Detailed Application Field Plans

The LTC2856HMS8-2#TRPBF finds applications in a wide range of fields, including:

1. Industrial Automation: Used for communication between PLCs, sensors, and actuators in industrial control systems.
2. Building Automation: Enables data exchange between various building management systems, such as HVAC, lighting, and security systems.
3. Automotive Electronics: Facilitates communication between different electronic modules in vehicles, including engine control units, infotainment systems, and body control modules.
4. Renewable Energy Systems: Allows for communication between solar inverters, battery management systems, and monitoring devices in renewable energy installations.
5. Medical Devices: Used in medical equipment for data transmission between devices, such as patient monitors, infusion pumps, and diagnostic instruments.

Detailed and Complete Alternative Models

1. MAX485ESA+: A similar RS485/RS422 transceiver with a supply voltage range of 4.75V to 5.25V and data rates up to 2.5Mbps. Available in an SO