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ADM4851ARZ

Name: ADM4851ARZ
Rating: 4.7 (12 reviews)

IC TRANSCEIVER HALF 1/1 8SOIC

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製造商。部分 #ADM4851ARZ
包 SOIC-8
資料表 ADM4851ARZ DataSheet
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規格

Package	Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Half
ReceiverHysteresis	20 mV
DataRate	500kbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The ADM4851ARZ is a high-speed, low-power RS-485/RS-422 transceiver designed for long-distance data transmission in industrial and commercial applications. It supports data rates of up to 10 Mbps and operates over a wide voltage range of 3.0V to 5.5V, making it suitable for various system designs.
This device features a differential output, which enhances noise immunity and allows for communication over distances of up to 4000 feet. The ADM4851ARZ includes a built-in fail-safe feature that ensures the receiver outputs a known state when the inputs are open or shorted.
With its low power consumption and thermal shutdown protection, this transceiver is ideal for battery-operated devices and environments where energy efficiency is crucial. Its small package size facilitates space-constrained designs, and it is compatible with standard RS-485 and RS-422 protocols, making integration into existing systems straightforward. Overall, the ADM4851ARZ is a reliable choice for robust serial communication applications.

Features

The ADM4851ARZ is a low-power, 1 Mbps, half-duplex RS-485/RS-422 transceiver designed for robust data communication in noisy environments. Key features include:
1. Low Power Consumption: Operates on a single 5V supply with low quiescent current.
2. High Data Rate: Supports data rates up to 1 Mbps, suitable for high-speed applications.
3. Wide Operating Temperature Range: Designed for industrial use, it operates from -40°C to +85°C.
4. Fail-Safe Input: Recognizes open, shorted, or idle bus conditions, preventing false outputs.
5. Integrated Termination: Easy integration with minimal external components required.
6. Differential Signaling: Enhanced noise immunity compared to single-ended systems.
7. Pin-Programmable: Allows flexibility in configuration for various applications.
8. Bus Transceiver: Supports multipoint communication over long distances.
These features make the ADM4851ARZ ideal for applications such as industrial automation, data acquisition, and remote sensor networks.

Package

The ADM4851ARZ is packaged in a 8-lead SOIC (Small Outline Integrated Circuit) format.

Pinout

The ADM4851ARZ is a low-power, high-speed RS-485/RS-422 transceiver with a total of 8 pins. Its pin configuration is as follows:
1. A - Non-inverting data input/output
2. B - Inverting data input/output
3. Y - Receiver output
4. Z - Receiver input
5. VCC - Positive power supply
6. GND - Ground
7. DE - Driver enable (active high)
8. RE - Receiver enable (active low)
The ADM4851ARZ is designed for half-duplex communication, supporting data rates up to 2.5 Mbps, and is suitable for multipoint applications in noisy environments. It operates in a wide voltage range and features low power consumption, making it ideal for various industrial communication systems.

Manufacturer

The ADM4851ARZ is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company focuses on various applications, including communications, automotive, industrial automation, and healthcare. They are known for their expertise in data conversion, signal processing, and power management solutions, catering to a wide range of industries and providing innovative technologies to enhance performance and efficiency in electronic systems.

Application

The ADM4851ARZ is a low-power, half-duplex RS-485 transceiver designed for data communications in industrial environments. Its application areas include industrial automation, process control systems, and remote sensor networks. Additionally, it is used in building automation, security systems, and telecommunications for robust communication over long distances in noisy environments.

Equivalent

Equivalent products for the ADM4851ARZ chip include the MAX1487, SN75176, and LTC2862. These chips are RS-485/RS-422 transceivers with similar functionalities, suitable for data communication in industrial environments. Always check the specific electrical characteristics and pin configurations to ensure compatibility.