ADM2582E

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ADM2582E

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Digital Isolators ISOLATED RS485 HD/FD 16Mbps IC

  • Nhà sản xuấtAnalog Devices

  • Ông. Phần #ADM2582E

  • Bảng dữ liệu ADM2582E DataSheet

  • Có sẵn9562

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Description

The ADM2582E is an integrated signal and power isolated RS-485/RS-422 transceiver designed by Analog Devices. It is used in communication systems that require robust data transfer over long distances, especially in industrial environments. The device combines a three-channel digital isolator with a low-power, differential bus transceiver, offering high-speed operation up to 16 Mbps.
Key features of the ADM2582E include a galvanic isolation barrier that protects against high voltage transients, ensuring signal integrity and system reliability. It also supports ESD protection levels up to ±15 kV, enhancing durability against electrostatic discharge.
The device operates over a wide power supply range and provides a fail-safe receiver input that ensures a stable logic high output with open or shorted bus conditions. Its compact, surface-mount package makes it suitable for space-constrained applications.
The ADM2582E is widely used in industrial automation, building control systems, and automotive applications where reliable and isolated data communication is crucial. Its integrated power isolation simplifies system design and reduces the need for additional components.

Equivalent

The ADM2582E is an isolated RS-485 transceiver with integrated power, commonly used in industrial communication. Equivalent products include:
1. Texas Instruments ISO3082 - Isolated RS-485 transceiver.
2. Texas Instruments ISO3086 - Similar capabilities with integrated isolation.
3. Maxim Integrated MAX14850 - Isolated RS-485/RS-422 transceiver.
4. NXP Semiconductors TJA1052 - Offers isolation for similar applications, albeit generally for CAN bus.
Always check specific features and pin compatibility before substituting.

Features

The ADM2582E is an integrated signal and power isolated RS-485 transceiver designed for reliable data communication in industrial environments. Key features include:
1. Isolation: Provides 2.5 kV rms isolation between the bus and the logic interface, protecting against high voltage transients.
2. EMC Robustness: Enhanced electromagnetic compatibility with excellent ESD protection for the bus pins, ensuring robust operation in challenging conditions.
3. Data Rate: Supports data rates up to 500 kbps, suitable for a wide range of communication needs.
4. Integrated DC-to-DC Converter: Includes an on-chip isolated DC-to-DC converter, eliminating the need for an external power supply for the isolated side.
5. Fail-Safe Features: Includes open- and short-circuit, as well as idle bus fail-safe mechanisms, enhancing communication reliability.
6. Thermal Shutdown: Protects the device from overheating by disabling the transceiver during excessive temperature conditions.
7. Wide Operating Range: Operates over a temperature range of -40°C to +85°C, suitable for industrial applications.
These features make the ADM2582E suitable for applications requiring robust, isolated communication, such as industrial automation and process control.

Pinout

The ADM2582E is a signal and power isolated RS-485 transceiver. It is a device designed for communication over long distances or in noisy environments, providing both data isolation and protection from voltage transients.
The ADM2582E comes in a 20-lead, wide-body SOIC (Small Outline Integrated Circuit) package. The pin count, therefore, is 20 pins.
Key functions of the ADM2582E include:
- RS-485/RS-422 Transceiver: It facilitates differential signaling for robust communication.
- Isolation: Provides isolation for data and power, protecting against ground loops and voltage spikes.
- Integrated DC-to-DC Converter: Supplies power to the isolated side of the device.
- High Speed: Supports data rates up to 16 Mbps.
- Protection: Overvoltage protection of ±15 kV ESD (Electrostatic Discharge) on the transceiver bus pins.
- Fail-Safe Receiver: Ensures a known output state when the bus is idle or unconnected.
These features make the ADM2582E suitable for industrial communication networks and robust applications requiring reliable data transmission and isolation.

Manufacturer

The ADM2582E is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. They produce a wide range of products, including data converters, amplifiers, radio frequency components, power management devices, and interface products like the ADM2582E. The company serves various industries, including industrial, automotive, communications, healthcare, and consumer electronics, providing solutions that bridge the physical and digital worlds in both complex and simple applications.

Application

The ADM2582E is an integrated signal and power isolated RS-485/RS-422 transceiver. Its application areas include industrial automation, where it is used for robust communication in noisy environments; building automation for reliable data transmission over long distances; utility metering solutions, ensuring secure data exchange; and motor control systems, providing isolation and protection in challenging conditions. Additionally, it is employed in process control systems, ensuring stable communication among sensors and controllers. Its isolation capabilities make it suitable for medical equipment and instrumentation, enhancing safety and reliability. Overall, the ADM2582E is ideal for applications requiring high data integrity and noise immunity.

Package

The ADM2582E is a signal and power isolated RS-485 transceiver, and it comes in a 16-lead, wide-body SOIC (Small Outline Integrated Circuit) package.

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