Overview
The ADM2565EBRNZ-RL7 is a 3 kV rms signal and power isolated RS-485 transceiver produced by Analog Devices Inc. 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, low electromagnetic interference (EMI), isolated dc-to-dc converter, which eliminates the need for an external isolated power supply. The device operates over a wide temperature range from -40°C to +105°C, making it suitable for various industrial and commercial applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V | - |
| Logic Supply Voltage (VIO) | 1.7 | - | 5.5 | V | - |
| Isolated Supply Voltage (VISO) | 3 | 3.3 | 3.465 | V | VSEL = GNDISO, IISOOUT = 10 mA to 55 mA |
| Maximum Data Rate | - | - | 25 Mbps | - | For ADM2565E/ADM2567E |
| Propagation Delay (tDPLH, tDPHL) | 18 | 25 | - | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Output Skew (tSKEW) | 1.5 | 5 | - | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| Rise Time/Fall Time (tDR, tDF) | 4.5 | 10 | - | ns | RL = 54 Ω |
| ESD Protection | - | - | ±12 kV (Contact), ±15 kV (Air Gap) | - | IEC61000-4-2 |
| Operating Temperature | -40 | - | 105 | °C | - |
| Package Type | - | - | - | - | 28-Lead SOIC_W_FP |
Key Features
- 3 kV rms signal and power isolation
- Integrated, low EMI, isolated dc-to-dc converter
- Compliance with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) standards
- Passes radiated emissions testing to EN 55032 Class B standard with margin on a 2-layer PCB
- Cable invert smart feature to correct reversed cable connections
- High speed data rate of 25 Mbps (ADM2565E/ADM2567E) and low speed data rate of 500 kbps (ADM2561E/ADM2563E) for EMI control
- Flexible power supplies: VCC (3 V to 5.5 V) and VIO (1.7 V to 5.5 V)
- VSEL pin to select VISO supply of 5 V (VCC ≥ 4.5 V) or 3.3 V
- PROFIBUS compliant for 5 V VISO
- High common-mode transient immunity of 250 kV/µs
- Short-circuit, open-circuit, and floating input receiver fail-safe
- Supports up to 192 bus nodes (72 kΩ receiver input impedance)
- Full hot swap support (glitch-free power-up/power-down)
- 28-lead WSOIC 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 ADM2565EBRNZ-RL7?
The maximum data rate of the ADM2565EBRNZ-RL7 is 25 Mbps.
- What are the operating temperature ranges for this device?
The operating temperature range is from -40°C to +105°C.
- Does the ADM2565EBRNZ-RL7 have built-in ESD protection?
Yes, it has ESD protection of ±12 kV (Contact) and ±15 kV (Air Gap) according to IEC61000-4-2.
- What is the package type of the ADM2565EBRNZ-RL7?
The package type is a 28-Lead SOIC_W_FP.
- Is the ADM2565EBRNZ-RL7 compliant with any specific standards?
Yes, it complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) standards.
- What is the common-mode transient immunity of the ADM2565EBRNZ-RL7?
The common-mode transient immunity is 250 kV/µs.
- Does the device support hot swap operations?
Yes, it supports full hot swap operations with glitch-free power-up/power-down.
- How many bus nodes can the ADM2565EBRNZ-RL7 support?
It can support up to 192 bus nodes.
- What is the purpose of the VSEL pin on the ADM2565EBRNZ-RL7?
The VSEL pin is used to select the VISO supply voltage between 3.3 V and 5 V (when VCC ≥ 4.5 V).
- Is the ADM2565EBRNZ-RL7 PROFIBUS compliant?
Yes, it is PROFIBUS compliant for 5 V VISO.
