Overview
The ADM485JRZ-REEL, produced by Analog Devices Inc., is a differential line transceiver designed for high-speed bidirectional data communication on multipoint bus transmission lines. It complies with the EIA RS-485 and RS-422 standards, making it suitable for various industrial and commercial applications. The device operates from a single 5 V power supply and features high-speed, low-power BiCMOS technology.
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | Up to 5 Mbps |
| Supply Voltage | 5 V |
| Bus Common-Mode Range | -7 V to +12 V |
| Driver Propagation Delay | 10 ns (typical) |
| Receiver Propagation Delay | 15 ns (typical) |
| Receiver Hysteresis | 70 mV |
| Package Types | 8-lead PDIP, 8-lead SOIC, 8-lead MSOP |
| Operating Temperature Range | Commercial and industrial temperature ranges |
| Thermal Shutdown Protection | Yes |
| Short-Circuit Protection | Yes |
Key Features
- Meets EIA RS-485 and RS-422 standards
- High-speed, low-power BiCMOS technology
- Single 5 V supply
- High-Z outputs when power is off
- Thermal shutdown protection and short-circuit protection
- Independent enable/disable for driver and receiver
- Low skew to minimize EMI interference
Applications
- Low power RS-485 systems
- DTE/DCE interfaces
- Packet switching
- Local area networks (LANs)
- Data concentration and data multiplexers
- Integrated services digital network (ISDN)
Q & A
- What is the data rate of the ADM485JRZ-REEL?
The data rate is up to 5 Mbps. - What is the supply voltage for the ADM485JRZ-REEL?
The supply voltage is 5 V. - What are the package types available for the ADM485JRZ-REEL?
The package types are 8-lead PDIP, 8-lead SOIC, and 8-lead MSOP. - Does the ADM485JRZ-REEL have thermal shutdown protection?
Yes, it does. - What is the receiver hysteresis of the ADM485JRZ-REEL?
The receiver hysteresis is 70 mV. - Can the driver and receiver be enabled/disabled independently?
Yes, they can. - What are some common applications of the ADM485JRZ-REEL?
Common applications include low power RS-485 systems, DTE/DCE interfaces, packet switching, and local area networks (LANs). - Does the ADM485JRZ-REEL support high-Z outputs when power is off?
Yes, it does. - What is the bus common-mode range of the ADM485JRZ-REEL?
The bus common-mode range is -7 V to +12 V. - Is the ADM485JRZ-REEL protected against short circuits?
Yes, it is protected against short circuits.
