Overview
The ADM2587EBRWZ-REEL7, produced by Analog Devices Inc., is a highly integrated signal and power isolated RS-485/422 transceiver. This device combines an RS-485/422 transceiver with an isoPower® dc-to-dc converter in a single package, providing a comprehensive solution for isolated communication systems. It operates on a single 5 V or 3.3 V supply, making it versatile for various industrial and commercial applications. The ADM2587EBRWZ-REEL7 is designed to ensure high reliability and safety, featuring current limiting, thermal shutdown, and 15 kV ESD protection.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Maximum Data Rate | - | - | - | 500 kbps | - | |
| Propagation Delay, Low to High | tDPLH | 250 | 503 | 700 | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Propagation Delay, High to Low | tDPHL | 250 | 510 | 700 | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Enable Time | tZL, tZH | - | 15 | - | ns | RL = 1 kΩ, CL = 15 pF |
| Disable Time | tLZ, tHZ | - | 15 | - | ns | RL = 1 kΩ, CL = 15 pF |
| Input-to-Output Resistance | RI-O | 10^12 | - | - | Ω | - |
| Input-to-Output Capacitance | CI-O | - | - | 3 | pF | f = 1 MHz |
| Input Capacitance | CI | - | - | 4 | pF | - |
| Package | - | - | - | SOIC-20-300mil | - | - |
| Operating Temperature Range | - | -40 | - | 85 | °C | - |
Key Features
- Signal and Power Isolation: The ADM2587EBRWZ-REEL7 integrates both signal and power isolation, ensuring reliable communication in noisy environments.
- isoPower Technology: Utilizes high-frequency switching elements to transfer power through the transformer, enhancing efficiency and reducing size.
- Current Limiting and Thermal Shutdown: Protects against output short circuits and excessive power dissipation due to bus contention.
- ESD Protection: Offers 15 kV ESD protection to safeguard the device from electrostatic discharge.
- Active High Enable and Active Low Receiver Enable: Provides flexible control over the driver and receiver outputs.
- Industrial Temperature Range: Fully specified over the industrial temperature range of -40°C to +85°C.
Applications
- Industrial Automation: Suitable for use in industrial control systems, motor control, and other automation applications where isolation is critical.
- Medical Devices: Can be used in medical equipment where isolation is necessary to ensure patient safety and device reliability.
- Transportation Systems: Applicable in vehicle networks and other transportation systems requiring isolated communication.
- Building Automation: Used in building control systems, HVAC systems, and security systems where reliable isolated communication is essential.
Q & A
- What is the maximum data rate of the ADM2587EBRWZ-REEL7?
The maximum data rate is 500 kbps.
- What is the operating voltage range of the ADM2587EBRWZ-REEL7?
The device operates on a single 5 V or 3.3 V supply.
- What type of package does the ADM2587EBRWZ-REEL7 come in?
The device is packaged in a 20-lead, wide-body SOIC package.
- Does the ADM2587EBRWZ-REEL7 have ESD protection?
Yes, it offers 15 kV ESD protection.
- What are the key features of the isoPower technology in the ADM2587EBRWZ-REEL7?
The isoPower technology uses high-frequency switching elements to transfer power through the transformer, enhancing efficiency and reducing size.
- What is the temperature range over which the ADM2587EBRWZ-REEL7 is fully specified?
The device is fully specified over the industrial temperature range of -40°C to +85°C.
- Does the ADM2587EBRWZ-REEL7 have current limiting and thermal shutdown features?
Yes, it includes current limiting and thermal shutdown to protect against output short circuits and excessive power dissipation.
- What are some typical applications of the ADM2587EBRWZ-REEL7?
Typical applications include industrial automation, medical devices, transportation systems, and building automation.
- Is the ADM2587EBRWZ-REEL7 RoHS compliant?
Yes, the device is RoHS compliant.
- What is the ECCN classification for the ADM2587EBRWZ-REEL7?
The ECCN classification is EAR99.
