ADM485ARZ

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ADM485ARZ

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IC TRANSCEIVER HALF 1/1 8SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
ProductStatus Active
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Half
ReceiverHysteresis 70 mV
DataRate 5Mbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The ADM485ARZ is a low-power, half-duplex differential line transceiver designed for RS-485 and RS-422 communication protocols. It is commonly used in industrial and commercial applications for robust and reliable communication over long distances and in noisy environments. The device operates from a single 5V power supply and can handle data rates up to 5 Mbps.
Key features of the ADM485ARZ include:
1. Low Power Consumption: With a maximum supply current of 500 µA in operational mode, it is suitable for power-sensitive applications.

2. High ESD Protection: The device offers enhanced electrostatic discharge protection, ensuring resilience against electrical surges.
3. Bus Compatibility: It can connect up to 32 transceivers on a single bus, making it ideal for multipoint communication systems.
4. Thermal Shutdown: The ADM485ARZ includes a thermal protection feature to prevent overheating.
The ADM485ARZ is available in a small, space-saving SOIC package, making it suitable for compact designs. Its robust performance and compliance with industry standards make it a reliable choice for serial communication applications.

Equivalent

The ADM485ARZ is a low-power RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 from Maxim Integrated
2. SN75176B from Texas Instruments
3. SP485E from MaxLinear
4. LTC485 from Analog Devices
5. AM26C31 from Texas Instruments
These alternatives offer similar functionalities, such as differential signaling for long-distance data transmission and low power consumption. Always check the specific requirements and specifications to ensure compatibility.

Features

The ADM485ARZ is a 5V low power differential line transceiver designed for RS-485 and RS-422 communication standards. Key features include:
1. Data Rate: Supports up to 5 Mbps, suitable for high-speed data transmission.
2. Supply Voltage: Operates from a single 5V power supply.
3. Low Power Consumption: Consumes minimal power with a typical supply current of 500 µA.
4. Half-Duplex Communication: Allows bi-directional data communication on a single pair of twisted wires.
5. Extended Temperature Range: Functions smoothly in industrial environments with an operating temperature range of -40°C to +85°C.
6. ESD Protection: Includes Electrostatic Discharge (ESD) protection on bus pins to enhance reliability and durability.
7. Driver and Receiver: Features a driver and a receiver, each with high input impedance, allowing for multiple nodes on the same bus.
8. Fail-Safe Receiver: Guarantees a known output state when the bus is idle, open, or shorted.
These features make the ADM485ARZ suitable for use in industrial, commercial, and telecommunications applications requiring robust and efficient serial communication.

Pinout

The ADM485ARZ is an RS-485/RS-422 transceiver designed for balanced data communication. It is an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief description of its pin functions:
1. Pin 1 (RO): Receiver Output – Outputs the received data from the bus.
2. Pin 2 (RE\): Receiver Enable – Active low; enables the receiver when low.
3. Pin 3 (DE): Driver Enable – Activates the driver when high.
4. Pin 4 (DI): Driver Input – Data input for the driver section.
5. Pin 5 (GND): Ground – Common ground for both the driver and receiver.
6. Pin 6 (A): Driver Output/Receiver Input – Non-inverting terminal for the differential bus.
7. Pin 7 (B): Driver Output/Receiver Input – Inverting terminal for the differential bus.
8. Pin 8 (VCC): Positive Supply Voltage – Powers the device, typically 5V.
The ADM485ARZ allows for high-speed, low-power data transmission and is used in applications involving long-distance communication over twisted-pair cables.

Manufacturer

The ADM485ARZ is manufactured by Analog Devices, Inc. Analog Devices is a company specializing in the design and manufacturing of semiconductor products and solutions. They focus on high-performance analog, mixed-signal, and digital signal processing technologies. The company's products are used in a wide range of applications, including industrial, automotive, consumer electronics, communications, and healthcare sectors.

Application

The ADM485ARZ is a low-power, high-speed RS-485/RS-422 transceiver, making it suitable for a variety of applications. It is commonly used in industrial automation for robust communication over long distances. Its high-speed data transmission capabilities make it ideal for use in networking equipment, including routers and switches. Additionally, it is employed in building automation systems for controlling HVAC, lighting, and security systems. The ADM485ARZ is also used in process control systems, where reliable and efficient data communication is critical. Its suitability for harsh environments makes it a good choice for automotive and transportation systems, as well as energy management applications.

Package

The ADM485ARZ is available in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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