Overview
The ISO7741DWR is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is part of the ISO774x family, which is designed to provide robust isolation and high-speed data transfer. The ISO7741DWR features a 100Mbps data rate and a robust isolation barrier with a projected lifetime of over 30 years at 1500VRMS working voltage. It is available in a 16-pin SOIC package and is suitable for a wide range of applications requiring high electromagnetic immunity and low emissions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | 100 | Mbps |
| Isolation Rating | 5000 | VRMS (DW package) |
| Isolation Rating | 3000 | VRMS (DBQ package) |
| Surge Capability | Up to 12.8kV | |
| Common Mode Transient Immunity (CMTI) | ±100kV/μs | |
| Supply Voltage Range | 2.25V to 5.5V | |
| Operating Temperature Range | -55°C to 125°C | |
| Power Consumption (typical at 1Mbps) | 1.5mA per channel | |
| Propagation Delay (typical at 5V Supplies) | 10.7ns | |
| Package Options | Wide-SOIC (DW-16), QSOP (DBQ-16) |
Key Features
- Robust isolation barrier with >30-year projected lifetime at 1500VRMS working voltage
- Up to 5000VRMS isolation rating and up to 12.8kV surge capability
- High electromagnetic immunity and low emissions
- Wide supply range: 2.25V to 5.5V with level translation
- Default output high (ISO774x) and low (ISO774xF) options
- Low power consumption and low propagation delay
- Enable pins for high impedance and multi-master driving applications
- Safety-related certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1
Applications
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
- Automotive applications (for ISO774x-Q1 variants): hybrid, electric, and powertrain systems, battery management systems, on-board chargers, traction inverters, DC/DC converters, and inverter and motor control
Q & A
- What is the data rate of the ISO7741DWR?
The ISO7741DWR has a data rate of 100Mbps.
- What are the isolation ratings for the ISO7741DWR?
The isolation ratings are up to 5000VRMS for the DW package and up to 3000VRMS for the DBQ package.
- What is the operating temperature range of the ISO7741DWR?
The operating temperature range is -55°C to 125°C.
- What are the package options for the ISO7741DWR?
The device is available in Wide-SOIC (DW-16) and QSOP (DBQ-16) packages.
- Does the ISO7741DWR have any safety-related certifications?
- What are some typical applications for the ISO7741DWR?
Typical applications include industrial automation, motor control, power supplies, solar inverters, and medical equipment.
- How does the ISO7741DWR handle electromagnetic interference?
The device provides high electromagnetic immunity and low emissions.
- What is the typical power consumption of the ISO7741DWR at 1Mbps?
The typical power consumption is 1.5mA per channel at 1Mbps.
- Does the ISO7741DWR support multi-master driving applications?
- Is there an automotive version of the ISO7741DWR?
