Overview
The ADM2483BRW-REEL, produced by Analog Devices Inc., is an integrated, galvanically isolated differential bus transceiver. This component is designed for bidirectional data communication on balanced, multipoint bus transmission lines, complying with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards. It utilizes Analog Devices' iCoupler technology to ensure electrical isolation between the logic and bus sides of the device. The ADM2483 combines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package, making it suitable for various industrial and communication applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC-16-300mil |
| Logic Side Supply Voltage (VDD1) | −0.5 V to +7 V |
| Bus Side Supply Voltage (VDD2) | −0.5 V to +6 V |
| Data Rate | Up to 500 kbps |
| Input Impedance | 96 kΩ |
| Maximum Number of Transceivers on the Bus | 256 |
| Operating Temperature Range | −40°C to +85°C |
| Storage Temperature Range | −40°C to +125°C |
| ESD Rating (Human Body Model) | ±2 kV |
Key Features
- Galvanic isolation using iCoupler technology, ensuring electrical isolation between the logic and bus sides.
- Three-state differential line driver and differential input receiver in a single package.
- Slew-limited driver to reduce reflections on improperly terminated transmission lines.
- Active-high enable feature for the driver.
- Supports up to 256 transceivers on the bus.
- Compliant with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards.
Applications
- Industrial automation and control systems.
- Building automation and control systems.
- Automotive interfaces (e.g., CAN, audio, Ethernet).
- Industrial I/O and IO-Link applications.
- Broadband switches and multiprotocol transceivers.
- Other applications requiring isolated RS-485/422 communication.
Q & A
- What is the primary function of the ADM2483BRW-REEL? The ADM2483BRW-REEL is a galvanically isolated differential bus transceiver designed for bidirectional data communication on balanced, multipoint bus transmission lines.
- What standards does the ADM2483BRW-REEL comply with? It complies with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards.
- What is the maximum data rate supported by the ADM2483BRW-REEL? The maximum data rate is up to 500 kbps.
- How many transceivers can be connected on the bus? Up to 256 transceivers can be connected on the bus.
- What is the operating temperature range of the ADM2483BRW-REEL? The operating temperature range is −40°C to +85°C.
- What is the ESD rating of the ADM2483BRW-REEL? The ESD rating is ±2 kV according to the Human Body Model.
- What technology is used for electrical isolation in the ADM2483BRW-REEL? The ADM2483BRW-REEL uses Analog Devices' iCoupler technology for electrical isolation.
- What is the package type of the ADM2483BRW-REEL? The package type is SOIC-16-300mil.
- What are the supply voltage ranges for the logic and bus sides? The logic side supply voltage (VDD1) ranges from −0.5 V to +7 V, and the bus side supply voltage (VDD2) ranges from −0.5 V to +6 V.
- What is the input impedance of the ADM2483BRW-REEL? The input impedance is 96 kΩ.
