Overview
The ADM2563EBRNZ from Analog Devices Inc. is a 3 kV rms signal and power isolated RS-485 transceiver. This device is designed for balanced transmission lines and complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) standards. It features an integrated, isolated dc-to-dc converter and is suitable for applications requiring high isolation and low radiated emissions.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Maximum Data Rate | - | - | 500 kbps | - | - |
| Propagation Delay | 18 | 25 | - | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Output Skew | 1.5 | 5 | - | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Rise Time/Fall Time | 4.5 | 10 | - | ns | RL = 54 Ω |
| Isolated Supply Current | 50 | 75 | - | mA | VISOIN = 3 V to 3.465 V, 54 Ω between Y and Z |
| Isolated DC-to-DC Converter Output Voltage | 3 | 3.3 | 3.465 | V | VSEL = GNDISO, IISOOUT = 10 mA minimum to 55 mA maximum |
| Operating Temperature Range | -40 | - | 105 | °C | - |
| Package Type | - | - | - | - | 28-Lead SOIC_W_FP |
Key Features
- 3 kV rms signal and power isolation.
- Integrated, isolated dc-to-dc converter.
- Low radiated emissions, compliant with EN 55032 Class B on a 2-layer PCB.
- Cable invert smart feature to correct reversed cable connections while maintaining full receiver fail-safe.
- ESD protection on RS-485 A, B, Y, and Z pins: ≥±12 kV IEC61000-4-2 contact discharge and ≥±15 kV IEC61000-4-2 air discharge.
- Flexible power supplies: VCC = 3.0 V to 5.5 V, VIO = 1.7 V to 5.5 V.
- High-speed data rate of 500 kbps for EMI control.
- 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 maximum data rate of the ADM2563EBRNZ?
The maximum data rate of the ADM2563EBRNZ is 500 kbps.
- What type of isolation does the ADM2563EBRNZ provide?
The ADM2563EBRNZ provides 3 kV rms signal and power isolation.
- What is the operating temperature range of the ADM2563EBRNZ?
The operating temperature range is from -40°C to +105°C.
- Does the ADM2563EBRNZ have ESD protection?
Yes, it has ESD protection on RS-485 A, B, Y, and Z pins: ≥±12 kV IEC61000-4-2 contact discharge and ≥±15 kV IEC61000-4-2 air discharge.
- What package type is the ADM2563EBRNZ available in?
The ADM2563EBRNZ is available in a 28-Lead SOIC_W_FP package.
- Is the ADM2563EBRNZ compliant with any specific emissions standards?
Yes, it is compliant with EN 55032 Class B on a 2-layer PCB.
- Does the ADM2563EBRNZ have a cable invert smart feature?
Yes, it has a cable invert smart feature to correct reversed cable connections while maintaining full receiver fail-safe.
- What are the typical applications of the ADM2563EBRNZ?
Typical applications include HVAC networks, industrial field buses, building automation, utility networks, and energy meters.
- What is the isolated DC-to-DC converter output voltage range of the ADM2563EBRNZ?
The isolated DC-to-DC converter output voltage range is from 3 V to 3.465 V.
- What are the power supply voltage ranges for the ADM2563EBRNZ?
The power supply voltage ranges are VCC = 3.0 V to 5.5 V and VIO = 1.7 V to 5.5 V.
