Overview
The ADM4851ARZ from Analog Devices Inc. is a robust RS422/RS485 half-duplex transceiver designed for high-speed data communication. This component is part of a family of transceivers that support both RS422 and RS485 protocols, making it versatile for various industrial and communication applications. The ADM4851ARZ is known for its reliability in industrial temperature ranges and its compact packaging, which is suitable for space-constrained applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | ADM4851ARZ | |
| Protocol Support | RS422, RS485 | |
| Communication Mode | Half-Duplex | |
| Driver/Receiver Pair | 1 | |
| Data Rate | 500 kbps | |
| Receiver Hysteresis | 20 mV | |
| Supply Voltage Range | 4.75V to 5.25V | |
| Operating Temperature Range | -40°C to 85°C | |
| Package Type | 8-SOIC |
Key Features
- High-speed data communication up to 500 kbps
- Enhanced noise immunity with 20 mV receiver hysteresis
- Reliable performance in industrial temperature ranges (-40°C to 85°C)
- Compact 8-SOIC packaging suitable for space-constrained applications
- Robust ESD protection and thermal shutdown for safety
- True fail-safe receiver inputs and slew-rate limited driver outputs to reduce EMI
- Up to 256 transceivers can be connected on one bus
Applications
- Industrial automation
- Data networks
- Instrumentation
Q & A
- What protocols does the ADM4851ARZ support?
The ADM4851ARZ supports both RS422 and RS485 communication protocols.
- What is the maximum data rate of the ADM4851ARZ?
The maximum data rate of the ADM4851ARZ is 500 kbps.
- What is the operating temperature range of the ADM4851ARZ?
The operating temperature range of the ADM4851ARZ is -40°C to 85°C.
- What type of packaging does the ADM4851ARZ use?
The ADM4851ARZ is packaged in an 8-SOIC (Small Outline Integrated Circuit) package.
- Does the ADM4851ARZ have built-in protection features?
Yes, the ADM4851ARZ has robust ESD protection and thermal shutdown features for enhanced reliability.
- How many transceivers can be connected on one bus with the ADM4851ARZ?
Up to 256 transceivers can be connected on one bus with the ADM4851ARZ.
- What is the supply voltage range for the ADM4851ARZ?
The supply voltage range for the ADM4851ARZ is 4.75V to 5.25V.
- Does the ADM4851ARZ have any noise immunity features?
Yes, the ADM4851ARZ has 20 mV receiver hysteresis to enhance noise immunity.
- Is the ADM4851ARZ suitable for industrial environments?
Yes, the ADM4851ARZ is designed for reliable performance in industrial temperature ranges and environments.
- What is the current status of the ADM4851ARZ in terms of product lifecycle?
The ADM4851ARZ is currently active with no immediate discontinuation, replacements, or upgrades announced.
