Overview
The ADM2490EBRWZ, produced by Analog Devices Inc., is a high-speed, ESD-protected, full-duplex, iCoupler isolated RS-485 transceiver. This device is designed for balanced transmission lines and complies with ANSI TIA/EIA-485-A-1998 and ISO 8482: 1987(E) standards. It is suitable for high-speed, full-duplex communication on multipoint transmission lines, offering robust protection and reliability in various industrial and communication applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Maximum Data Rate | - | - | 16 Mbps | - | - |
| Propagation Delay (tPLH, tPHL) | 45 | 60 | - | ns | RL = 54 Ω, CL1 = CL2 = 100 pF |
| ESD Protection on RS-485 Input/Output Pins | - | - | ±8 kV | - | - |
| Operating Temperature Range | -40°C | - | +105°C | - | - |
| Common-Mode Transient Immunity | - | - | 25 kV/μs | - | - |
| Supply Voltage (VDD1) | - | - | 5 V or 3 V | - | - |
| Package Type | - | - | 16-Lead Standard Small Outline Package (SOIC_W) | - | - |
Key Features
- Isolated, full-duplex RS-485/RS-422 transceiver
- ±8 kV ESD protection on RS-485 input/output pins
- 16 Mbps data rate
- High common-mode transient immunity: 25 kV/μs
- Receiver has open-circuit, fail-safe design
- Supports up to 32 nodes on the bus
- Thermal shutdown protection
- Safety and regulatory approvals: UL 1577, DIN EN IEC 60747-17 (VDE 0884-17), VIORM = 645 V peak
Applications
- Isolated RS-485/RS-422 interfaces
- Industrial field networks
- INTERBUS
- Multipoint data transmission systems
Q & A
- What is the maximum data rate of the ADM2490EBRWZ?
The maximum data rate is 16 Mbps. - What level of ESD protection does the ADM2490EBRWZ offer?
The device offers ±8 kV ESD protection on RS-485 input/output pins. - What are the operating temperature ranges for the ADM2490EBRWZ?
The operating temperature range is from -40°C to +105°C. - What type of package does the ADM2490EBRWZ come in?
The device comes in a 16-Lead Standard Small Outline Package (SOIC_W). - Does the ADM2490EBRWZ support multiple nodes on the bus?
Yes, it supports up to 32 nodes on the bus. - What safety and regulatory approvals does the ADM2490EBRWZ have?
The device has approvals such as UL 1577, DIN EN IEC 60747-17 (VDE 0884-17), and VIORM = 645 V peak. - Is the ADM2490EBRWZ suitable for industrial field networks?
Yes, it is suitable for industrial field networks. - Does the ADM2490EBRWZ have thermal shutdown protection?
Yes, it has thermal shutdown protection. - What is the common-mode transient immunity of the ADM2490EBRWZ?
The common-mode transient immunity is 25 kV/μs. - Can the ADM2490EBRWZ operate at different supply voltages?
Yes, it can operate at 5 V or 3 V supply voltage (VDD1).
