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ADM3485EARZ

Name: ADM3485EARZ
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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製造商。部分 #ADM3485EARZ
包 SOIC-8
資料表 ADM3485EARZ DataSheet
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規格

Package	Bulk,Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	50 mV
DataRate	10Mbps
Voltage-Supply	3V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The ADM3485EARZ is a high-speed, low-power RS-485/RS-422 transceiver designed for robust data communication over long distances. It supports half-duplex communication and operates at data rates up to 20 Mbps. The device features a wide supply voltage range (3.3V to 5V), making it versatile for various applications, including industrial automation, security systems, and communication networks.
Key features include thermal shutdown protection, low power consumption (typically 300 µA), and the ability to drive up to 32 transceiver loads on the bus. The ADM3485EARZ is designed with enhanced noise immunity and can operate in harsh environments, which is critical for reliable data transmission. Additionally, it has built-in fail-safe mechanisms to ensure a known state in idle conditions.
The package type is a 5mm x 3mm LFCSP, facilitating compact designs. Overall, the ADM3485EARZ is an ideal choice for applications requiring high-speed, reliable data transmission in multi-drop systems.

Features

The ADM3485EARZ is a low-power, half-duplex RS-485/RS-422 transceiver designed for robust data communication in industrial environments. Key features include:
1. Data Rate: Supports data rates up to 20 Mbps.
2. Common Mode Range: Operates over a wide common mode voltage range of -7V to +12V, enhancing noise immunity.
3. Low Supply Current: Consumes only 300 µA (typical) in active mode, promoting energy efficiency.
4. Operating Voltage: Supports a wide voltage range from 3.0V to 5.5V.
5. Temperature Range: Designed for industrial applications with an operating temperature range of -40°C to +125°C.
6. Fail-Safe Features: Includes features like a fail-safe receiver that ensures a high output when the bus is idle or terminated improperly.
7. Bus Transceiver: Supports multi-point connections, allowing multiple transceivers on the same bus.
These features make the ADM3485EARZ suitable for applications such as industrial automation, data acquisition systems, and remote sensing.

Package

The ADM3485EARZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This package type is designed for space efficiency and is suitable for surface mounting on PCBs.

Pinout

The ADM3485EARZ is an RS-485/RS-422 dual transceiver with a total of 8 pins. Its main functions include:
1. Data Transmission: It supports half-duplex communication, allowing data transfer over long distances.
2. Driver and Receiver: The device includes one driver and one receiver, enabling bidirectional communication.
3. Low Power Consumption: It operates with a supply voltage range of 3.3V to 5V, making it suitable for power-sensitive applications.
4. High Speed: The ADM3485 can achieve data rates up to 20 Mbps.
5. Fault Protection: It features thermal shutdown and improved electromagnetic compatibility.
6. Enable/Disable Functionality: Pins allow for the control of the driver outputs.
The specific pinout includes power (Vcc), ground (GND), data input/output (A, B), and control pins (RE, DE, etc.). The device is commonly used in industrial communication and data acquisition systems.

Manufacturer

The ADM3485EARZ is manufactured by Analog Devices, Inc., a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of industries, including communications, automotive, healthcare, and industrial automation. The company focuses on providing innovative solutions for complex electronic challenges, emphasizing precision and reliability in its products.

Application

The ADM3485EARZ is a low-power, half-duplex RS-485 transceiver primarily used in industrial automation, automation control systems, and data acquisition applications. It facilitates communication over long distances in noisy environments, making it ideal for building automation, motor control, and remote sensor networks. Its robust design also suits applications in telecommunications and multi-drop networks.

Equivalent

Equivalent products to the ADM3485EARZ chip include the SN65HVD3082E, MAX1487, and SP485. These alternatives offer similar functionalities for RS-485 communication and are suitable for various applications requiring differential signaling. Always verify specific pin configurations and electrical characteristics before substitution.