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ADM485ARZ

ADM485ARZ

Analog Devices
Standard 1-driver/1-receiver RS-485 transceiver with broad distributor availability and similar electrical characteristics.
Active13,160 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.

ADM485 Family

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

Part Number Data Rate Stock
ADM485ARZ (this part) 5M 13,160
ADM485EAR 2.5M 7,099
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.
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