ADM485JN

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IC TRANSCEIVER HALF 1/1 8PDIP

  • FabricanteAnalog Devices Inc.

  • Peça do Fabricante #ADM485JN

  • Ficha Técnica ADM485JN DataSheet

  • Em Estoque4396

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Especificações

Atributo Valor
Part Status Obsolete
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 70 mV
Data Rate 5Mbps
Voltage - Supply 4.75V ~ 5.25V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Base Product Number ADM485

Visão Geral

Description

The ADM485JN is a high-speed, low-power differential line transceiver designed for balanced data transmission in noisy environments. It is primarily used for RS-485/RS-422 communication standards, enabling reliable data transfer over long distances. The device operates from a single 5V power supply and features low power consumption, making it suitable for battery-operated applications.
Key specifications include a data rate of up to 2.5 Mbps, common-mode input voltage range, and high immunity to noise, which enhances signal integrity in industrial settings. The ADM485JN supports multiple transceivers on the same bus, allowing for a multi-drop configuration.
With its robust design, the ADM485JN is ideal for applications such as industrial automation, process control, and communication systems, where long-distance and reliable data transmission are essential. Its compact packaging and ease of integration further contribute to its popularity among engineers and designers.

Equivalent

Equivalent products to the ADM485JN chip include the SN75176, MAX1487, and LTC1487. These chips are all RS-485 transceivers with similar functionality and specifications, suitable for differential signaling in communication applications.

Features

The ADM485JN is a high-speed, low-power RS-485/RS-422 transceiver designed for balanced data transmission over long distances. Key features include:
1. Data Rate: Supports data rates up to 10 Mbps, making it suitable for high-speed applications.
2. Common Mode Voltage Range: Capable of handling a wide common-mode voltage range from -7V to +12V, enhancing noise immunity.
3. Low Power Consumption: Operates with low power consumption, making it ideal for battery-operated devices.
4. High Drive Capability: Drives up to 32 transceivers on the bus, supporting multipoint configurations.
5. Temperature Range: Available in a standard temperature range of -40°C to +85°C, suitable for industrial applications.
6. Fail-Safe Operation: Built-in fail-safe features ensure the receiver outputs a known state if the inputs are floating.
These features make the ADM485JN a reliable choice for data communication in harsh environments and long-distance applications.

Pinout

The ADM485JN is a low-power differential line transceiver designed for RS-485 communication. It has a total of 8 pins, with the following key functions:
1. Vcc (Pin 1): Power supply (typically +5V).
2. GND (Pin 2): Ground reference.
3. RO (Pin 3): Receiver Output; outputs the received data.
4. RE (Pin 4): Receiver Enable; active low, enables the receiver.
5. DE (Pin 5): Driver Enable; active high, enables the driver.
6. DI (Pin 6): Driver Input; inputs the data to be transmitted.
7. A (Pin 7): Non-inverting differential output.
8. B (Pin 8): Inverting differential output.
These pins facilitate bidirectional data communication over long distances, making the ADM485JN suitable for industrial applications.

Manufacturer

The ADM485JN is manufactured by Analog Devices, Inc. Analog Devices is a global company that designs and manufactures a wide range of semiconductor products, primarily focusing on high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves various industries, including healthcare, automotive, communications, and industrial automation. The company is known for its innovation in signal processing technologies and provides solutions for data conversion, amplification, and connectivity. Its products are widely used in applications requiring precision measurement and control, making Analog Devices a key player in the electronics and semiconductor sectors.

Application

The ADM485JN is a low-power differential bus transceiver, commonly used in various applications such as industrial automation, data acquisition systems, and multi-point communication networks. Its key areas include RS-485 and RS-422 communication, enabling robust data transmission over long distances in noisy environments. It's suitable for connecting multiple devices in a network, such as in building automation systems, remote sensors, and telemetry systems. The device's ability to support half-duplex communication makes it ideal for applications requiring efficient data exchange while minimizing power consumption.

Package

The ADM485JN is packaged in a dual-in-line package (DIP) format.

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