Overview
The ISO1450BDWR from Texas Instruments is a highly reliable and robust isolated RS-485 and RS-422 transceiver designed for high-speed data transmission. This component is part of the ISO14xx family and offers 5-kVrms isolation, making it suitable for applications requiring high electrical isolation and protection against electromagnetic interference (EMI). The transceiver operates in half-duplex mode and supports data rates up to 50 Mbps, ensuring efficient communication in various industrial and commercial environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | Up to 50 Mbps | - |
| Isolation Voltage | 5 kVrms | - |
| Operating Temperature | -40 to 125 °C | - |
| Supply Voltage (Side 1) | 1.71 to 5.5 V | V |
| Supply Voltage (Side 2) | 3 to 5.5 V | V |
| ESD Protection | ±30 kV HBM | - |
| Package Type | SOIC-16 | - |
| Thermal Resistance (Junction-to-Ambient) | 67.9 °C/W | - |
Key Features
- Compatible with TIA/EIA-485-A and PROFIBUS standards at 5V bus-side supply.
- 5-kVrms isolation for robust protection against electrical noise and surges.
- Half-duplex operation with data rates up to 50 Mbps.
- EMC protected to ensure reliable operation in noisy environments.
- Bus I/O protection with ±30 kV HBM ESD protection.
- Compliant with various safety standards including VDE, CSA, UL, and IEC.
Applications
- Industrial automation and control systems.
- Building automation and HVAC systems.
- Medical devices requiring high isolation and safety standards.
- Telecommunication equipment and networks.
- Aerospace and defense systems where high reliability is crucial.
Q & A
- What is the maximum data rate supported by the ISO1450BDWR?
The ISO1450BDWR supports data rates up to 50 Mbps.
- What is the isolation voltage rating of the ISO1450BDWR?
The isolation voltage rating is 5 kVrms.
- What are the operating temperature ranges for the ISO1450BDWR?
The operating temperature range is from -40 to 125 °C.
- What are the supply voltage ranges for the ISO1450BDWR?
The supply voltage ranges are 1.71 to 5.5 V for Side 1 and 3 to 5.5 V for Side 2.
- What type of ESD protection does the ISO1450BDWR offer?
The ISO1450BDWR offers ±30 kV HBM ESD protection.
- In what package type is the ISO1450BDWR available?
The ISO1450BDWR is available in a SOIC-16 package.
- What are the thermal resistance values for the ISO1450BDWR?
The junction-to-ambient thermal resistance is 67.9 °C/W.
- Is the ISO1450BDWR compliant with any specific safety standards?
Yes, it is compliant with VDE, CSA, UL, and IEC safety standards.
- What are some common applications for the ISO1450BDWR?
Common applications include industrial automation, building automation, medical devices, telecommunication equipment, and aerospace systems.
- Does the ISO1450BDWR support full-duplex operation?
No, the ISO1450BDWR operates in half-duplex mode.
