Overview
The ISO1450DWR is a 5-kVRMS isolated RS-485/RS-422 transceiver produced by Texas Instruments. This device is part of the ISO14xx family, designed to operate in harsh industrial environments. It features galvanic isolation, making it suitable for applications requiring high levels of electrical isolation and noise immunity.
The ISO1450DWR is a half-duplex transceiver with a data rate of up to 50 Mbps, making it ideal for high-speed communication in industrial settings. It supports a wide operating ambient temperature range from -40°C to +125°C and can be powered from supply voltages ranging from 1.71 V to 5.5 V on the logic side and 3 V to 5.5 V on the isolated side.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC | - |
| Number of Pins | 16 | - |
| Data Rate | Up to 50 Mbps | - |
| Duplex Mode | Half-Duplex | - |
| Isolation Rating | 5000 VRMS | - |
| Operating Ambient Temperature | -40°C to +125°C | °C |
| Supply Voltage (Logic Side) | 1.71 V to 5.5 V | V |
| Supply Voltage (Isolated Side) | 3 V to 5.5 V | V |
| Junction-to-Ambient Thermal Resistance | 67.9 °C/W | °C/W |
| Maximum Power Dissipation (Both Sides) | 588 mW | mW |
Key Features
- Compatible with TIA/EIA-485-A and PROFIBUS at 5V bus-side supply.
- Galvanic isolation with 5000 VRMS rating, ensuring high electrical isolation and noise immunity.
- Bus I/O protection against ±30kV HBM (Human Body Model) ESD and IEC electrical fast transient (EFT) events.
- Wide operating ambient temperature range from -40°C to +125°C.
- Supports low-voltage FPGAs and ASICs with supply voltages from 1.71 V to 5.5 V on the logic side and 3 V to 5.5 V on the isolated side.
- High signaling rates up to 50 Mbps for high-speed communication).
Applications
- Grid infrastructure
- Solar inverter systems
- Factory automation and control
- Motor drives
- HVAC systems and building automation).
Q & A
- What is the primary function of the ISO1450DWR?
The ISO1450DWR is a 5-kVRMS isolated RS-485/RS-422 transceiver designed for high-speed communication in industrial environments.
- What is the data rate of the ISO1450DWR?
The ISO1450DWR supports data rates up to 50 Mbps.
- What is the operating temperature range of the ISO1450DWR?
The device operates over a temperature range from -40°C to +125°C.
- What are the supply voltage ranges for the ISO1450DWR?
The logic side can be powered from 1.71 V to 5.5 V, and the isolated side from 3 V to 5.5 V.
- What kind of isolation does the ISO1450DWR provide?
The device provides galvanic isolation with a rating of 5000 VRMS.
- Is the ISO1450DWR compliant with any industry standards?
Yes, it is compatible with TIA/EIA-485-A and PROFIBUS standards.
- What kind of ESD protection does the ISO1450DWR offer?
The device offers protection against ±30kV HBM ESD and IEC electrical fast transient (EFT) events.
- What are some typical applications of the ISO1450DWR?
Typical applications include grid infrastructure, solar inverter systems, factory automation, motor drives, and HVAC systems.
- What is the package type of the ISO1450DWR?
The device is packaged in a 16-pin SOIC (Small Outline Integrated Circuit).
- What is the thermal resistance of the ISO1450DWR?
The junction-to-ambient thermal resistance is 67.9 °C/W.
