Overview
The ADM2486BRWZ-REEL is a high-speed, half-duplex, isolated RS-485 transceiver manufactured by Analog Devices Inc. This component is part of the iCoupler® series and is designed for bidirectional data communication on multipoint bus transmission lines. It combines a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package, ensuring galvanic isolation between the logic side and the bus side. The device is compliant with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards and is suitable for various industrial and commercial applications requiring reliable and isolated communication.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM2486BRWZ-REEL |
| Category | Isolated RS-485/422 Transceivers |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply | 3 V, 5 V |
| Voltage - Isolation | 2500 Vrms |
| Type | RS422, RS485 |
| Technology | Magnetic Coupling |
| Number of Channels | 3 |
| Inputs - Side 1/Side 2 | 2/1 |
| Channel Type | Bidirectional |
| Data Rate | 20 Mbps |
| Common Mode Transient Immunity (Min) | 25 kV/µs |
| Propagation Delay tpLH / tpHL (Max) | 55 ns, 55 ns |
| Pulse Width Distortion (Max) | 5 ns |
| Rise / Fall Time (Typ) | 5 ns, 5 ns |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- High-speed half-duplex isolated RS-485 transceiver with a data rate of 20 Mbps.
- Galvanic isolation between the logic side and the bus side, with 2500 Vrms isolation voltage.
- Compliant with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards.
- Three-channel isolator, three-state differential line driver, and differential input receiver in a single package.
- Active-high enable feature for the driver and active-high receiver disable feature.
- Current-limiting and thermal shutdown features for protection against output short circuits and bus contention.
- Receiver open-circuit, fail-safe design.
- High common-mode transient immunity of >25 kV/s.
- Operating temperature range: -40°C to +85°C.
- Available in a 16-lead, wide body SOIC package.
Applications
- Isolated RS-485/RS-422 interfaces.
- PROFIBUS networks.
- Industrial field networks.
- Multipoint data transmission systems.
- Any application requiring reliable, isolated, and high-speed data communication.
Q & A
- What is the ADM2486BRWZ-REEL used for?
The ADM2486BRWZ-REEL is used for high-speed, half-duplex, isolated RS-485 communication in various industrial and commercial applications.
- What are the key standards it complies with?
The ADM2486BRWZ-REEL complies with ANSI EIA/TIA-485-A and ISO 8482: 1987(E) standards.
- What is the isolation voltage of the ADM2486BRWZ-REEL?
The isolation voltage is 2500 Vrms.
- What is the data rate of the ADM2486BRWZ-REEL?
The data rate is 20 Mbps.
- What is the operating temperature range of the ADM2486BRWZ-REEL?
The operating temperature range is -40°C to +85°C.
- What type of package does the ADM2486BRWZ-REEL come in?
The device comes in a 16-lead, wide body SOIC package.
- Does the ADM2486BRWZ-REEL have any protection features?
Yes, it has current-limiting and thermal shutdown features for protection against output short circuits and bus contention.
- What is the common mode transient immunity of the ADM2486BRWZ-REEL?
The common mode transient immunity is >25 kV/s.
- Is the ADM2486BRWZ-REEL RoHS compliant?
Yes, the ADM2486BRWZ-REEL is RoHS compliant.
- What are some typical applications of the ADM2486BRWZ-REEL?
Typical applications include isolated RS-485/RS-422 interfaces, PROFIBUS networks, industrial field networks, and multipoint data transmission systems.
- Does the ADM2486BRWZ-REEL support multiple supply voltages?
Yes, it supports both 3 V and 5 V supply voltages.
