ADM4855ARZ

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ADM4855ARZ

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IC TRANSCEIVER FULL 1/1 8SOIC

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規格

屬性 價值
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Full
Receiver Hysteresis 20 mV
Data Rate 500kbps
Voltage - Supply 4.75V ~ 5.25V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ADM4855

概述

Description

The ADM4855ARZ is a high-speed, RS-485/RS-422 transceiver from Analog Devices, designed for robust data communication over long distances and in noisy environments. It features a half-duplex communication architecture, allowing for bidirectional data transmission on a single twisted pair. This device operates with a supply voltage ranging from 3.0 V to 5.5 V, accommodating various power levels while maintaining performance.
Key features include a data rate of up to 50 Mbps, ensuring efficient and fast data transfer, and a ±15 kV ESD protection on the bus pins, enhancing its durability against electrostatic discharge. The ADM4855ARZ also comes with thermal shutdown protection and a fail-safe receiver input, ensuring reliable operation under challenging conditions.
Its low power consumption and high immunity to electrical noise make it ideal for industrial automation, instrumentation, and telecommunications applications. The device is housed in a small SOIC package, facilitating easy integration into existing designs. Overall, the ADM4855ARZ is a versatile and dependable solution for high-speed, long-distance communication needs.

Equivalent

The ADM4855ARZ is an RS-485/RS-422 transceiver from Analog Devices. Equivalent products with similar specifications include:
1. MAX485 from Maxim Integrated
2. SN75176B from Texas Instruments
3. SP485E from MaxLinear
4. LTC485 from Analog Devices (previously Linear Technology)
5. ISL3175E from Renesas
These alternatives are generally used for similar applications in differential communication over twisted-pair cables and may have varying operating voltages and other specific features. Always check the datasheets for compatibility.

Features

The ADM4855ARZ is a half-duplex RS-485/RS-422 transceiver designed for robust data communication. Key features include:
1. High Speed: Supports data rates up to 40 Mbps, suitable for high-speed communication applications.

2. Low Power Consumption: Operates on a single 3.3 V power supply with low quiescent current.
3. Enhanced ESD Protection: Provides protection against electrostatic discharge, ensuring reliability in harsh environments.
4. Short-Circuit Protection: Features built-in protection against short circuits and excessive loads.
5. Bus-Pin Fault Protection: Withstand bus pin faults up to ±15 V, enhancing durability.
6. Wide Common-Mode Range: Offers a large common-mode voltage range, facilitating use in various electrical environments.
7. Thermal Shutdown: Includes thermal protection to prevent damage from overheating.
8. Reduced EMI: Includes slew rate limited drivers to minimize electromagnetic interference.
9. Industry-Standard Pinout: Compatible with existing RS-485 applications, allowing for easy integration.
These features make the ADM4855ARZ suitable for industrial applications, including networking, telecommunications, and instrumentation.

Pinout

The ADM4855ARZ is a half-duplex RS-485/RS-422 transceiver designed for communication over long distances and in electrically noisy environments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here is the pin configuration and function:
1. A: Non-inverting receiver input and driver output.
2. B: Inverting receiver input and driver output.
3. DE: Driver enable pin. When high, the driver outputs are enabled.
4. DI: Driver input; data to be transmitted on the bus.
5. GND: Ground reference for the device.
6. R: Receiver output; data received from the bus.
7. RE: Receiver enable pin. When low, the receiver outputs are enabled.
8. VCC: Positive power supply for the device.
The ADM4855ARZ is used in various applications requiring robust communication, like industrial automation and distributed control systems. It features high-speed data transmission and enhanced electrostatic discharge (ESD) protection.

Manufacturer

The manufacturer of the ADM4855ARZ is Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products and solutions. It is known for its focus on analog, mixed-signal, and digital signal processing technologies, which are utilized in a wide range of applications across various industries. The company's products are commonly used in areas such as industrial automation, automotive, communications, healthcare, consumer electronics, and more. Analog Devices is recognized for its innovation and leadership in the field of electronics, providing components that are integral to the development of advanced systems and applications.

Application

The ADM4855ARZ is primarily used in communication systems requiring reliable data transmission. Key application areas include:
1. Industrial Automation: Enables robust communication between devices in automated systems.
2. Building Automation: Facilitates control and monitoring systems in smart buildings.
3. Security and Surveillance: Supports data transfer in security systems, including cameras and sensors.
4. Energy Management: Assists in data communication for smart grids and energy distribution networks.
5. Telecommunications: Enhances data transmission in telecom equipment and infrastructure.
6. Instrumentation: Used in data acquisition and control systems for various instruments.
Its high-speed, low-power operation and robust communication capabilities make it suitable for these applications.

Package

The ADM4855ARZ is a high-speed, half-duplex RS-485 transceiver available in a small SOIC (Small Outline Integrated Circuit) package with 8 pins, designated as "RZ" in the part number. This package type is compact, making it suitable for applications requiring space-efficient designs.