Overview
The ISO7741FDWR 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 electromagnetic immunity. The ISO7741FDWR features three forward and one reverse-direction channel, making it suitable for a variety of applications that require reliable and isolated digital signal transmission.
The device boasts a wide supply range of 2.25V to 5.5V, supporting level translation and low power consumption. It is available in both Wide-SOIC (DW-16) and QSOP (DBQ-16) package options, with an automotive version (ISO774x-Q1) also available.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | 100 Mbps | |
| Isolation Rating | 5000 VRMS (DW package), 3000 VRMS (DBQ package) | |
| Surge Capability | Up to 12.8 kV | |
| Common Mode Transient Immunity (CMTI) | ±100 kV/μs typical | |
| Supply Voltage | 2.25 V to 5.5 V | |
| Temperature Range | –55°C to 125°C | |
| Power Consumption per Channel | Typical 1.5 mA at 1 Mbps | |
| Propagation Delay | 10.7 ns typical (5V Supplies) | |
| ESD Protection | ±8 kV IEC 61000-4-2 contact discharge protection | |
| Package Options | Wide-SOIC (DW-16), QSOP (DBQ-16) |
Key Features
- High-performance quad-channel digital isolator
- Robust isolation barrier with >30-year projected lifetime at 1500 VRMS working voltage
- Up to 5000 VRMS isolation rating and up to 12.8 kV surge capability
- Wide supply range: 2.25 V to 5.5 V with level translation
- Default output high and low options
- Wide temperature range: –55°C to 125°C
- Low power consumption: typical 1.5 mA per channel at 1 Mbps
- Low propagation delay: 10.7 ns typical (5V Supplies)
- Robust electromagnetic compatibility (EMC): system-level ESD, EFT, and surge immunity
- Low emissions
- Safety-related certifications: DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, and GB 4943.1
Applications
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
Q & A
- What is the data rate of the ISO7741FDWR?
The ISO7741FDWR has a data rate of up to 100 Mbps.
- What are the isolation ratings for the ISO7741FDWR?
The device has isolation ratings of 5000 VRMS for the DW package and 3000 VRMS for the DBQ package.
- What is the surge capability of the ISO7741FDWR?
The device can withstand up to 12.8 kV surge capability.
- What is the common mode transient immunity (CMTI) of the ISO7741FDWR?
The CMTI is ±100 kV/μs typical.
- What is the supply voltage range for the ISO7741FDWR?
The supply voltage range is 2.25 V to 5.5 V.
- What is the temperature range for the ISO7741FDWR?
The device operates over a temperature range of –55°C to 125°C.
- What is the power consumption per channel for the ISO7741FDWR?
The typical power consumption per channel is 1.5 mA at 1 Mbps.
- What is the propagation delay of the ISO7741FDWR?
The propagation delay is 10.7 ns typical (5V Supplies).
- What ESD protection does the ISO7741FDWR offer?
The device offers ±8 kV IEC 61000-4-2 contact discharge protection.
- In what packages is the ISO7741FDWR available?
The device is available in Wide-SOIC (DW-16) and QSOP (DBQ-16) packages.
- What safety-related certifications does the ISO7741FDWR have?
The device has certifications such as DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, and GB 4943.1.
