ADM4854ARZ

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ADM4854ARZ

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IC TRANSCEIVER FULL 1/1 8SOIC

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  • パッケージ 8-SOIC

  • 在庫状況1551

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仕様

属性
Package Tube
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 20 mV
DataRate 115Kbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概要

Description

The ADM4854ARZ is a high-speed, low-power RS-485/RS-422 transceiver designed for communication over long distances in industrial environments. It is manufactured by Analog Devices. This device features enhanced electrostatic discharge (ESD) protection, making it robust against voltage spikes that can occur in harsh settings. It supports data rates up to 10 Mbps, making it suitable for high-speed data transmission.
The ADM4854ARZ operates from a single 3.3 V power supply, which suits modern low-power applications. It includes a driver and a receiver, allowing for full-duplex communication. The transceiver is designed to handle a wide common-mode voltage range, ensuring reliable operation even in electrically noisy environments.
The device also includes fail-safe features to ensure that the communication line defaults to a known state if the bus is idle or disconnected. It is typically used in applications such as industrial automation, process control, and building automation systems. Its robust design makes it ideal for applications requiring reliable data transmission over long distances.

Equivalent

The ADM4854ARZ is a RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated
2. SN75176 from Texas Instruments
3. LTC485 from Analog Devices (formerly Linear Technology)
4. SP485 from Sipex/Exar Corporation
5. DS485 from Dallas Semiconductor
These alternatives are generally pin-compatible and designed for similar applications, but always check the datasheets for exact specifications and compatibility.

Features

The ADM4854ARZ is a low power, half-duplex RS-485/RS-422 transceiver. It is designed for balanced data communication and offers several key features:
1. Data Rates: Supports data transmission rates up to 16 Mbps.
2. Supply Voltage: Operates on a single 3.3V power supply.
3. Low Power Consumption: Consumes low power, ideal for battery-operated systems.
4. Noise Immunity: Features fail-safe operation with open-circuit, short-circuit, and idle bus fail-safe receiver inputs.
5. Bus Protection: Includes ±15 kV ESD protection on bus pins, safeguarding against electrostatic discharge.
6. Short-Circuit Protection: Provides thermal shutdown for protection against short-circuit conditions.
7. Receiver Features: High input impedance allows for up to 256 transceivers on the bus.
8. Operating Temperature: Rated for operation over the industrial temperature range of -40°C to +85°C.
9. Package Types: Available in small, standard 8-lead SOIC packages.
These features make the ADM4854ARZ suitable for industrial applications requiring reliable data transmission over long distances in noisy environments.

Pinout

The ADM4854ARZ is a low power, differential line transceiver designed for data communication on balanced multipoint bus transmission lines. It is typically used in RS-485 and RS-422 communication systems.
The ADM4854ARZ comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active low input to enable the receiver.
3. DE (Driver Enable): Active high input to enable the driver.
4. DI (Driver Input): Data input for the driver.
5. GND (Ground): Ground reference for the device.
6. A/Y (Non-Inverting Driver Output/Receiver Input A): Driver output and receiver input.
7. B/Z (Inverting Driver Output/Receiver Input B): Driver output and receiver input.
8. VCC (Power Supply): Positive power supply input.
These pins allow the ADM4854ARZ to facilitate the sending and receiving of data signals over a network, supporting full-duplex communication.

Manufacturer

The ADM4854ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and production of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides technology that is used in a wide range of applications, including data conversion, signal processing, and power management for industrial, automotive, communications, healthcare, and consumer electronics markets. Analog Devices is known for its innovation in high-performance signal processing solutions and plays a critical role in shaping the modern electronics landscape.

Application

The ADM4854ARZ is a high-speed RS-485/RS-422 transceiver, and its primary application areas include industrial automation, building automation, and process control systems. It is also used in point-to-point and multi-drop communication networks due to its capability to handle high data rates and long-distance communication. Additionally, the ADM4854ARZ is suitable for use in motor control systems, HVAC systems, and energy management systems where robust and reliable data transmission is crucial. Its features, such as electrostatic discharge (ESD) protection and thermal shutdown, make it ideal for harsh environments typical in industrial and commercial applications.

Package

The ADM4854ARZ is typically offered in a standard SOIC (Small Outline Integrated Circuit) package.

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