Overview
The ADM1485JR-REEL, produced by Analog Devices Inc., is a robust RS422/RS485 transceiver designed for high-speed bidirectional data communication on multipoint bus transmission lines. This component operates from a single 5V power supply and is capable of transmitting and receiving data at speeds up to 30Mbps. It is particularly suited for industrial and communication applications due to its reliability over a wide temperature range and its compact surface mount package.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Data Rate | Up to 30Mbps | ||
| Number of Drivers/Receivers | 1/1 | ||
| Duplex | Half | ||
| Receiver Hysteresis | 70 mV | For improved noise immunity | |
| Voltage Supply | 4.75V ~ 5.25V | ||
| Operating Temperature | -40°C ~ 85°C | ||
| Package Type | 8-SOIC | Industry-standard package | |
| Driver Propagation Delay | 10 ns | ||
| Receiver Propagation Delay | 15 ns |
Key Features
- High-Speed Data Rate: Supports data rates up to 30Mbps, making it suitable for advanced communication needs.
- Single 5V Supply: Operates from a single 5V power supply, simplifying power management.
- Improved Noise Immunity: Features a receiver with 70 mV hysteresis for enhanced noise immunity.
- Compact Package: Available in an industry-standard 8-SOIC package, which is compact and suitable for space-constrained applications.
- Robust ESD Protection: Built with robust ESD protection to withstand harsh industrial environments.
- Thermal Shutdown Protection: Includes thermal shutdown protection to prevent excessive power dissipation during fault conditions.
- High-Z Outputs with Power Off: Ensures high impedance outputs when the power is off, reducing interference.
Applications
- Industrial Automation: Suitable for use in industrial automation systems due to its reliability and high-speed data transfer capabilities.
- Communication Equipment: Used in various communication equipment where high-speed and reliable data transmission is required.
- Data Acquisition Systems: Ideal for data acquisition systems that need to handle high-speed data transfers.
- Local Area Networks (LANs): Can be used in LANs for efficient data communication.
- Packet Switching and Data Multiplexers: Suitable for packet switching and data multiplexing applications.
- Integrated Services Digital Network (ISDN): Used in ISDN systems for reliable data transmission.
Q & A
- What is the maximum data rate supported by the ADM1485JR-REEL?
The ADM1485JR-REEL supports data rates up to 30Mbps.
- What is the operating voltage range of the ADM1485JR-REEL?
The operating voltage range is 4.75V to 5.25V.
- What type of package does the ADM1485JR-REEL come in?
The ADM1485JR-REEL comes in an industry-standard 8-SOIC package.
- What is the operating temperature range of the ADM1485JR-REEL?
The operating temperature range is -40°C to 85°C.
- Does the ADM1485JR-REEL have ESD protection?
Yes, the ADM1485JR-REEL is built with robust ESD protection.
- What protocols is the ADM1485JR-REEL compatible with?
The ADM1485JR-REEL is compatible with both RS422 and RS485 protocols.
- What is the receiver hysteresis of the ADM1485JR-REEL?
The receiver hysteresis is 70 mV, which enhances noise immunity.
- Does the ADM1485JR-REEL have thermal shutdown protection?
Yes, it includes thermal shutdown protection to prevent excessive power dissipation during fault conditions.
- What are some typical applications of the ADM1485JR-REEL?
Typical applications include industrial automation, communication equipment, data acquisition systems, and local area networks.
- Is the ADM1485JR-REEL currently an active product?
Yes, the ADM1485JR-REEL is currently an active product and not nearing discontinuation.
