Overview
The ISO7741FBDW is a high-performance, quad-channel digital isolator produced by Texas Instruments. This device is part of the ISO774x family, which is known for its robust isolation barrier and high electromagnetic immunity. The ISO7741FBDW features three forward and one reverse-direction channel, making it suitable for a variety of applications that require reliable and isolated data transmission.
The device is packaged in a 16-pin SOIC (DW) package and offers a wide supply range of 2.25V to 5.5V, making it versatile for different system designs. It is designed to provide high-speed data transmission with a data rate of up to 100Mbps and low power consumption, typically 1.5mA per channel at 1Mbps.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (DW) | - |
| Pins | 16 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Data Rate | 100 | Mbps |
| Isolation Rating | 5000 | VRMS |
| Surge Capability | Up to 12.8kV | - |
| Common Mode Transient Immunity (CMTI) | ±100kV/µs (typical) | - |
| Supply Voltage Range | 2.25V to 5.5V | - |
| Propagation Delay | 10.7ns (typical at 5V Supplies) | ns |
| Power Consumption (per channel at 1Mbps) | 1.5mA (typical) | mA |
| ESD Protection | ±8kV IEC 61000-4-2 contact discharge | - |
Key Features
- Robust isolation barrier with >30-year projected lifetime at 1500VRMS working voltage and up to 5000VRMS isolation rating.
- High-speed data transmission with a data rate of up to 100Mbps.
- Wide supply range: 2.25V to 5.5V.
- Low power consumption, typically 1.5mA per channel at 1Mbps.
- Low propagation delay: 10.7ns typical at 5V supplies.
- High electromagnetic immunity and low emissions.
- System-level ESD, EFT, and surge immunity.
- Enable pins for putting outputs in high impedance and reducing power consumption.
- 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.
- Hybrid, electric, and powertrain systems (EV/HEV) including battery management systems, on-board chargers, traction inverters, DC/DC converters, and inverter and motor control.
Q & A
- What is the ISO7741FBDW used for?
The ISO7741FBDW is a quad-channel digital isolator used to isolate CMOS or LVCMOS digital I/Os, providing high electromagnetic immunity and low emissions.
- What is the data rate of the ISO7741FBDW?
The ISO7741FBDW has a data rate of up to 100Mbps.
- What is the isolation rating of the ISO7741FBDW?
The ISO7741FBDW has an isolation rating of up to 5000VRMS.
- What is the typical propagation delay of the ISO7741FBDW?
The typical propagation delay is 10.7ns at 5V supplies.
- What is the power consumption of the ISO7741FBDW per channel at 1Mbps?
The typical power consumption is 1.5mA per channel at 1Mbps.
- Does the ISO7741FBDW have ESD protection?
- What are the safety-related certifications for the ISO7741FBDW?
The device has certifications including DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1.
- What is the operating temperature range of the ISO7741FBDW?
The operating temperature range is -55°C to 125°C.
- What package options are available for the ISO7741FBDW?
The device is available in 16-pin SOIC (DW) and QSOP (DBQ) packages.
- Can the ISO7741FBDW be used in automotive applications?
