ADM485EARZ-REEL7

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ADM485EARZ-REEL7

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IC TRANSCEIVER HALF 1/1 8SOIC

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Especificações

Atributo Valor
Part Status Active
Base Product Number ADM485
Type Transceiver
Protocol RS422, RS485
Number of Drivers / Receivers 1/1
Duplex Half
Receiver Hysteresis 70 mV
Data Rate 2.5Mbps
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
Packaging Cut Tape (CT), Tape & Reel (TR)

Visão Geral

Description

The ADM485EARZ-REEL7 is a part of Analog Devices' ADM485E series, which are low-power, differential line transceivers designed for RS-485 and RS-422 communication standards. These transceivers are particularly suitable for industrial applications where robust, high-speed data transmission is required across long distances or in electrically noisy environments.
Key features of the ADM485EARZ-REEL7 include a wide supply voltage range, typically from 4.5V to 5.5V, and the ability to operate at data rates up to 5 Mbps. It offers ±15 kV ESD protection on the bus pins, enhancing reliability against electrostatic discharge. The device supports half-duplex communication, allowing for bi-directional data flow on a single pair of twisted wires.
Housed in a compact SOIC package, the ADM485EARZ-REEL7 is designed for easy integration into various systems. It incorporates fail-safe features to ensure reliable performance under open-circuit, short-circuit, and idle-line conditions. These characteristics make it a popular choice for applications in automation, process control, and other industrial communication networks.

Equivalent

The ADM485EARZ-REEL7 is a low-power RS-485 transceiver. Equivalent products include the MAX485 from Maxim Integrated, SN75176B from Texas Instruments, and LTC485 from Analog Devices. These components serve similar functions by enabling RS-485 communication in industrial and commercial applications. They generally offer similar features like half-duplex communication, low power consumption, and compatibility with the RS-485 protocol. Always verify pin configuration and electrical characteristics when substituting to ensure compatibility with your design.

Features

The ADM485EARZ-REEL7 is a high-speed, half-duplex RS-485/RS-422 transceiver designed for balanced data communication. Key features include:
1. Data Rate: It supports high data rates up to 2.5 Mbps, making it suitable for fast data transmission.
2. Supply Voltage: Operates from a single 5V power supply.
3. Half-Duplex Operation: Allows for bidirectional data transmission but not simultaneously, reducing wiring complexity.
4. Short-Circuit Protection: Offers protection against output short circuits.
5. Thermal Shutdown: Includes a thermal shutdown feature to protect the device from excessive heat.
6. Low Power Consumption: Features a low power shutdown mode, reducing power consumption when not in use.
7. ESD Protection: Enhanced ESD protection for improved reliability in harsh environments.
8. Driver and Receiver Enable Pins: Allows for easy control of data flow and power management.
9. Package: Comes in a narrow body SOIC-8 package for space-constrained applications.
These features make the ADM485EARZ-REEL7 suitable for applications in industrial automation, process control, and other environments requiring efficient and robust data communication.

Pinout

The ADM485EARZ-REEL7 is an integrated circuit from Analog Devices, designed for use in RS-485/RS-422 communication interfaces. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here are its primary pin functions:
1. Pin 1 (RO - Receiver Output): Outputs the received data.
2. Pin 2 (RE - Receiver Enable): Enables/disables the receiver (active low).
3. Pin 3 (DE - Driver Enable): Enables/disables the driver (active high).
4. Pin 4 (DI - Driver Input): Inputs the data to be transmitted.
5. Pin 5 (GND - Ground): Ground reference for the circuit.
6. Pin 6 (A - Non-inverting Driver Output/Receiver Input): Non-inverting terminal for differential signal.
7. Pin 7 (B - Inverting Driver Output/Receiver Input): Inverting terminal for differential signal.
8. Pin 8 (VCC - Supply Voltage): Powers the IC.
The ADM485EARZ-REEL7 is typically used in applications that require robust data transmission over long distances and in noisy environments, making it ideal for industrial communications.

Manufacturer

The ADM485EARZ-REEL7 is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides solutions for various industries, including communications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is known for its innovative products that are used in applications such as data conversion, signal processing, and power management.

Application

The ADM485EARZ-REEL7 is primarily used in applications requiring reliable RS-485/RS-422 communication interfaces. Key application areas include industrial automation systems, process control networks, building automation, and data acquisition systems. It is also suitable for use in motor control centers, remote sensors, and PLCs (Programmable Logic Controllers). The device's robustness in handling noise and its capability to support long-distance data transmission make it ideal for harsh environments where stable and efficient communication is critical. Additionally, its power efficiency and compact size allow integration into various embedded systems and serial communication applications.

Package

The ADM485EARZ-REEL7 is a surface-mount, SOIC-8 (Small Outline Integrated Circuit) package. It is part of a reel for automated assembly in manufacturing processes, specifically designed for integrating into printed circuit boards (PCBs).

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