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ADM485ARZ

ADIADM485ARZ

Analog Devices Inc.
1/1 Transceiver Half RS422, RS485 8-SOIC
Active5,948 in stock
Datasheet Digi-Key Compare Prices

Overview

The ADM485ARZ is a half-duplex RS-485/RS-422 transceiver designed for robust data transmission in industrial environments. It operates from a single 5V supply and supports data rates up to 5Mbps. This device includes important protection features such as thermal shutdown and short-circuit protection.

Why Choose This Part

Engineers benefit from the ADM485ARZ's integrated thermal shutdown and short-circuit protection, enhancing system reliability. Its fail-safe receiver ensures valid output even when inputs are open, shorted, or idle. The broad operating temperature range of -40C to +85C makes it suitable for diverse industrial conditions.

Applications

Low Power RS-485 Systems
Ideal for applications requiring efficient RS-485 communication with a typical quiescent current of 1mA.
Industrial Automation Networks
Suitable for interconnecting devices in noisy industrial settings, leveraging its RS-485/RS-422 protocol support and robust electrical characteristics.
Data Concentration and Multiplexing
Used in systems where data from multiple sources needs to be collected and transmitted over a common bus.
Building Management Systems
Facilitates reliable communication between sensors, actuators, and controllers over long distances.
DTE/DCE Interface
Provides a standard interface for Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) in serial communication systems.

Key Specifications

Type Transceiver
Duplex Half
Protocol RS422, RS485
Data Rate 5Mbps
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Voltage - Supply 4.75V ~ 5.25V
Receiver Hysteresis 70 mV
Operating Temperature -40degC ~ 85degC
Supplier Device Package 8-SOIC
Number of Drivers/Receivers 1/1

Getting Started

To get started with the ADM485ARZ, implement it into a standard RS-485/RS-422 bus topology. Ensure proper termination resistors are used on the bus. Standard microcontroller development boards can be used to drive the transceiver's data and control pins.

Part of RS-485 Transceivers family » ADM485

ADM485 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Data Rate Temp Range Stock
ADM485ARZ (this part) 5M -40degC ~ 85degC 5,948
ADM485ARZ-REEL 5M -40degC ~ 85degC 23,887
ADM485EAR (Analog Devices) 2.5M -40degC ~ 85degC 7,099
ADM485JRZ-REEL 5M 0degC ~ 70degC 4,646
Also available as: ADM485

Also Consider

SP3485EN-L/TR MaxLinear Inc. - The SP3485EN-L/TR provides a low-power, 3.3V compatible option for RS-485 systems, suitable for designs with different supply voltage requirements.

Categories

Interface ICs > UART / RS-232 / RS-485