LTC1485CN8#PBF

Product Overview

Category

LTC1485CN8#PBF belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed, low-power RS485/RS422 transceiver
• Supports data rates up to 20Mbps
• Operates from a single 3.3V supply
• Low quiescent current consumption
• Wide common-mode range (-7V to +12V)
• ESD protection on bus pins
• Available in an 8-pin plastic DIP package

Package and Quantity

The LTC1485CN8#PBF is packaged in an 8-pin plastic DIP (Dual Inline Package). It is typically sold in quantities of one unit per package.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 300μA (typical)
• Common-Mode Range: -7V to +12V
• ESD Protection: ±15kV Human Body Model

Pin Configuration

The LTC1485CN8#PBF has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Power Supply --| RO RE |-- Pin 2: Receiver Output / Receiver Enable --| DI DE |-- Pin 3: Driver Input / Driver Enable --| DE /RE |-- Pin 4: Driver Enable / Receiver Enable (inverted) --| A B |-- Pins 5 & 6: Differential Bus Connection --| Y Z |-- Pins 7 & 8: Differential Bus Connection |___________| ```

Functional Features

• High-speed data transmission: The LTC1485CN8#PBF supports data rates up to 20Mbps, making it suitable for applications requiring fast communication.
• Low power consumption: With a quiescent current of only 300μA, this transceiver minimizes power consumption, making it ideal for battery-powered devices.
• Wide common-mode range: The device can tolerate a wide range of common-mode voltages (-7V to +12V), ensuring reliable operation in various environments.
• ESD protection: The bus pins are equipped with ±15kV Human Body Model ESD protection, safeguarding the transceiver from electrostatic discharge.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Low power consumption
• Wide common-mode range for versatile applications
• ESD protection for enhanced reliability

Disadvantages

• Limited pin count may restrict the number of connections or features that can be implemented.

Working Principles

The LTC1485CN8#PBF is designed to facilitate bidirectional data transmission over long distances using RS485/RS422 standards. It employs differential signaling to achieve noise immunity and high-speed operation. The driver section converts logic-level signals into balanced differential outputs, while the receiver section converts differential input signals back into logic-level outputs. The device also incorporates driver and receiver enable functions to control the direction of data flow.

Detailed Application Field Plans

The LTC1485CN8#PBF finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Building automation and control networks 3. Instrumentation and measurement equipment 4. Data communication interfaces 5. Automotive electronics 6. Security systems

Alternative Models

Here are some alternative models that offer similar functionality to the LTC1485CN8#PBF: 1. MAX485 2. SN75176 3. ADM485 4. SP3485 5. ST485

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

In conclusion, the LTC1485CN8#PBF is a high-speed, low-power RS485/RS422 transceiver that offers reliable data transmission in various applications. Its characteristics, pin configuration, functional features, advantages, and disadvantages make it a suitable choice for signal communication needs.