LTC2858IMS-1#PBF

Product Overview

Category

The LTC2858IMS-1#PBF 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 LTC2858IMS-1#PBF is a low-power, half-duplex RS485/RS422 transceiver.
• It operates over a wide voltage range, making it suitable for different applications.
• The device offers high data rates and robust performance in noisy environments.
• It features a fail-safe receiver, which ensures a known output state when inputs are open or shorted.
• The transceiver has built-in protection against electrostatic discharge (ESD) and bus faults.

Package

The LTC2858IMS-1#PBF is available in a small MSOP-10 package, which provides compactness and ease of integration into circuit boards.

Essence

The essence of this product lies in its ability to facilitate reliable and efficient data communication in industrial and automotive applications.

Packaging/Quantity

The LTC2858IMS-1#PBF is typically sold in reels containing 250 units per reel.

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: ±15V
• Driver Output Voltage Swing: ±2V
• Quiescent Current: 300µA (typical)

Detailed Pin Configuration

The LTC2858IMS-1#PBF has the following pin configuration:

1. DE (Driver Enable)
2. RE (Receiver Enable)
3. RO (Receiver Output)
4. DI (Driver Input)
5. GND (Ground)
6. B (Inverting Driver Output)
7. A (Non-Inverting Driver Output)
8. VCC (Supply Voltage)
9. Y (Non-Inverting Receiver Input)
10. Z (Inverting Receiver Input)

Functional Features

• Half-duplex communication: The LTC2858IMS-1#PBF allows bidirectional data transmission on a single communication line.
• Fail-safe receiver: Ensures a known output state when inputs are open or shorted, preventing data corruption.
• ESD and bus fault protection: Protects the transceiver from damage caused by electrostatic discharge and bus faults.
• Wide voltage range: Can operate with supply voltages ranging from 3V to 5.5V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

• High data rates: Supports data rates of up to 20Mbps, enabling fast and efficient communication.
• Robust performance: Performs reliably in noisy environments, ensuring accurate data transmission.
• Compact package: The MSOP-10 package offers space-saving integration into circuit boards.
• Fail-safe receiver: Provides added reliability by maintaining a known output state in case of input issues.

Disadvantages

• Limited to half-duplex communication: The LTC2858IMS-1#PBF does not support simultaneous bidirectional communication.

Working Principles

The LTC2858IMS-1#PBF operates based on the RS485/RS422 standard, which uses differential signaling for noise immunity. It employs a driver to convert digital signals into balanced differential voltages for transmission and a receiver to convert received differential signals back into digital data.

Detailed Application Field Plans

The LTC2858IMS-1#PBF finds applications in various fields, including: 1. Industrial automation systems 2. Automotive electronics 3. Building automation 4. Instrumentation and measurement equipment 5. Communication networks

Detailed and Complete Alternative Models

1. MAX485ESA+: A similar RS485/RS422 transceiver with a wide supply voltage range and high data rates.
2. SN65HVD485E: Another half-duplex RS485 transceiver offering robust performance and ESD protection.
3. ADM2485: An isolated RS485 transceiver suitable for applications requiring galvanic isolation.

These alternative models provide similar functionality to the LTC2858IMS-1#PBF and can be considered as substitutes in different design scenarios.

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