Overview
The ISO7841DWR is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is designed to provide high isolation ratings and is particularly useful in applications requiring robust electromagnetic immunity and low emissions. The ISO7841DWR features a 8000VPK isolation voltage and is certified for reinforced isolation according to VDE, CSA, CQC, and TUV standards. It isolates CMOS or LVCMOS digital I/Os using a silicon-dioxide (SiO2) insulation barrier, ensuring high reliability and safety in various industrial and medical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Voltage | 8000 | VPK |
| Signaling Rate | Up to 100 | Mbps |
| Supply Voltage Range | 2.25 to 5.5 | V |
| Temperature Range | -55 to 125 | °C |
| Package Type | 16-pin SOIC wide-body (DW) and extra-wide body (DWW) | |
| Maximum Working Voltage | 5700 VRMS (Reinforced Insulation) | |
| ESD Ratings (HBM) | ±6000 | V |
| ESD Ratings (CDM) | ±1500 | V |
| Junction Temperature | -55 to 150 | °C |
Key Features
- High-performance quad-channel digital isolator with 8000VPK isolation voltage.
- Reinforced isolation certifications according to VDE, CSA, CQC, and TUV.
- High electromagnetic immunity and low emissions.
- Wide supply range of 2.25V to 5.5V and level translation capabilities.
- Enable pins for high impedance output and power reduction in multi-controller driving applications.
- Three forward and one reverse-direction channels.
- Default output is high if input power or signal is lost for the ISO7841 device.
- Enhanced electromagnetic compatibility for system-level ESD, EFT, surge, and emissions compliance.
Applications
- Industrial Automation
- Motor Control
- Power Supplies
- Solar Inverters
- Medical Equipment
- Hybrid Electric Vehicles
Q & A
- What is the isolation voltage of the ISO7841DWR?
The isolation voltage of the ISO7841DWR is 8000VPK.
- What are the certifications for the ISO7841DWR?
The ISO7841DWR has reinforced isolation certifications according to VDE, CSA, CQC, and TUV.
- What is the signaling rate of the ISO7841DWR?
The signaling rate of the ISO7841DWR is up to 100Mbps.
- What is the temperature range for the ISO7841DWR?
The temperature range for the ISO7841DWR is -55°C to 125°C.
- What types of packages are available for the ISO7841DWR?
The ISO7841DWR is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.
- What is the maximum working voltage for the ISO7841DWR?
The maximum working voltage for the ISO7841DWR is 5700 VRMS (Reinforced Insulation).
- How does the ISO7841DWR handle ESD?
The ISO7841DWR has ESD ratings of ±6000V (HBM) and ±1500V (CDM).
- What are the typical applications for the ISO7841DWR?
The ISO7841DWR is typically used in industrial automation, motor control, power supplies, solar inverters, medical equipment, and hybrid electric vehicles.
- How does the ISO7841DWR enhance electromagnetic compatibility?
The ISO7841DWR enhances electromagnetic compatibility through innovative chip design and layout techniques, easing system-level ESD, EFT, surge, and emissions compliance.
- What happens to the output if the input power or signal is lost for the ISO7841DWR?
If the input power or signal is lost, the default output is high for the ISO7841DWR.
