Overview
The ADM2567EBRNZ from Analog Devices Inc. is a 3.75 kV rms isolated RS-485/RS-422 transceiver designed for high-speed data transmission in industrial and harsh environments. This device features integrated isolated dc-to-dc conversion, low radiated emissions, and robust ESD protection. It is part of the iCoupler® series, known for its magnetic coupling technology, ensuring reliable and isolated signal transmission.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Package | - | - | 28-BSSOP (0.295", 7.50mm Width) | - | - |
| Technology | - | - | Magnetic Coupling | - | - |
| Type | - | - | RS422, RS485 | - | - |
| Isolated Power | - | - | Yes | - | - |
| Number of Channels | - | - | 4 | - | - |
| Channel Type | - | - | Unidirectional | - | - |
| Voltage-Isolation | - | - | 3000Vrms | - | - |
| Common Mode Transient Immunity (Min) | 250 | - | - | kV/µs | - |
| Data Rate | - | - | 25 Mbps | - | - |
| Propagation Delay (tpLH/tpHL) (Max) | - | 25 | 25 | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Rise/Fall Time (Typ) | - | 4.5 | 4.5 | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Voltage-Supply | 3 | - | 5.5 | V | - |
| Operating Temperature | -40 | - | 105 | °C | - |
Key Features
- Integrated isolated dc-to-dc converter for power isolation.
- Low radiated emissions, compliant with EN 55032 Class B standard.
- Cable invert smart feature to correct reversed cable connections while maintaining full receiver fail-safe.
- Robust ESD protection on RS-485 A, B, Y, and Z pins (≥±12 kV IEC61000-4-2 contact discharge, ≥±15 kV IEC61000-4-2 air discharge).
- High-speed data rate of 25 Mbps.
- Flexible power supplies (3V to 5.5V for VCC and VIO).
- 28-lead, fine pitch SOIC_W package with >8.0 mm creepage and clearance.
Applications
- Heating, ventilation, and air conditioning (HVAC) networks.
- Industrial field buses.
- Building automation.
- Utility networks.
- Energy meters.
Q & A
- What is the primary function of the ADM2567EBRNZ?
The ADM2567EBRNZ is a 3.75 kV rms isolated RS-485/RS-422 transceiver designed for high-speed data transmission in industrial environments. - What is the data rate of the ADM2567EBRNZ?
The data rate of the ADM2567EBRNZ is 25 Mbps. - What is the voltage isolation of the ADM2567EBRNZ?
The voltage isolation of the ADM2567EBRNZ is 3000Vrms. - Does the ADM2567EBRNZ have integrated power isolation?
Yes, the ADM2567EBRNZ features an integrated isolated dc-to-dc converter. - What are the operating temperature ranges for the ADM2567EBRNZ?
The operating temperature range is from -40°C to 105°C. - What type of ESD protection does the ADM2567EBRNZ offer?
The ADM2567EBRNZ offers robust ESD protection on RS-485 A, B, Y, and Z pins (≥±12 kV IEC61000-4-2 contact discharge, ≥±15 kV IEC61000-4-2 air discharge). - What is the package type of the ADM2567EBRNZ?
The package type is 28-BSSOP (0.295", 7.50mm Width). - Is the ADM2567EBRNZ compliant with any specific standards?
Yes, it complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E), and passes radiated emissions testing to the EN 55032 Class B standard. - What are some common applications of the ADM2567EBRNZ?
Common applications include HVAC networks, industrial field buses, building automation, utility networks, and energy meters. - Does the ADM2567EBRNZ have a cable invert smart feature?
Yes, it features a cable invert smart feature to correct reversed cable connections while maintaining full receiver fail-safe.
