ADM4856ARZ-REEL7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, Half-duplex, RS-485/RS-422 Interface
• Package: SOIC-8
• Essence: Communication and data transmission between devices in industrial environments
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 20 Mbps
• Number of Drivers/Receivers: 1/1
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV Human Body Model (HBM)

Detailed Pin Configuration

The ADM4856ARZ-REEL7 has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | DE | Driver Enable | | 2 | A | Non-Inverting Driver Output / Receiver Input A | | 3 | B | Inverting Driver Output / Receiver Input B | | 4 | GND | Ground | | 5 | Y | Receiver Output | | 6 | Z | Receiver Output | | 7 | VCC | Power Supply | | 8 | RE | Receiver Enable |

Functional Features

• High-speed data transmission up to 20 Mbps
• Half-duplex communication using RS-485/RS-422 interface
• Robust performance in noisy industrial environments
• Low power consumption for energy-efficient operation
• Built-in ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

• Supports high-speed data transfer, suitable for time-critical applications
• Provides reliable communication in harsh industrial environments
• Low power consumption helps to reduce energy costs
• ESD protection ensures robustness against electrostatic discharge

Disadvantages

• Limited to half-duplex communication, not suitable for full-duplex applications
• Requires additional external components for complete functionality

Working Principles

The ADM4856ARZ-REEL7 is a transceiver IC designed for RS-485/RS-422 communication. It operates in a half-duplex mode, allowing data transmission in both directions but not simultaneously. The driver section converts the logic-level signals into differential voltage signals suitable for long-distance transmission. The receiver section converts the differential signals back into logic-level signals for further processing.

Detailed Application Field Plans

The ADM4856ARZ-REEL7 is widely used in various industrial applications that require reliable and high-speed communication between devices. Some common application fields include: - Industrial automation systems - Building automation and control systems - Process control and monitoring systems - Data acquisition and logging systems - Instrumentation and measurement equipment

Detailed and Complete Alternative Models

• MAX485: Similar RS-485 transceiver with similar specifications and pin configuration.
• SN75176: RS-485 transceiver with lower supply voltage range and different package options.
• LTC2850: High-speed RS-485 transceiver with extended temperature range and higher data rate capability.

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