Overview
The ISO6741DWR, produced by Texas Instruments, is a high-performance, quad-channel digital isolator designed for cost-sensitive applications that require robust isolation and high data transfer rates. This device is part of the ISO674x family, which offers up to 5000 VRMS isolation ratings and is certified by various safety standards including UL 1577, VDE, TUV, CSA, and CQC. The ISO6741DWR is ideal for applications needing reliable and high-speed data transfer with enhanced electromagnetic compatibility (EMC) and low emissions.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC1, VCC2) | 1.71 | - | 5.5 | V |
| Input/Output Voltage (INx, OUTx) | -0.5 | - | VCCX + 0.5 | V |
| Operating Junction Temperature (TJ) | - | - | 150 | °C |
| Storage Temperature (Tstg) | -65 | - | 150 | °C |
| Data Rate | - | 50 | - | Mbps |
| Propagation Delay | - | 11 | - | ns |
| Common Mode Transient Immunity (CMTI) | 100 | 150 | - | kV/μs |
| Isolation Rating | - | - | 5000 | VRMS |
| Surge Capability | - | - | 10 kV | - |
| Package Type | - | - | SOIC (DW) 16 pins | - |
Key Features
- Functional Safety-Capable with documentation to aid in functional safety system design.
- High data rate of up to 50 Mbps.
- Robust isolation barrier with up to 5000 VRMS isolation rating and up to 10 kV surge capability.
- Wide supply range: 1.71 V to 1.89 V and 2.25 V to 5.5 V.
- Level translation from 1.71 V to 5.5 V.
- Default output high (ISO674x) and low (ISO674xF) options.
- Wide temperature range: -40°C to 125°C.
- Low propagation delay: 11 ns typical.
- Robust electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier.
- Low emissions.
- Enable pins for multi-master driving applications.
Applications
- Power supplies.
- Grid and electricity meters.
- Motor drives.
- Factory automation.
- Building automation.
- Lighting systems.
- Appliances.
Q & A
- What is the maximum data rate of the ISO6741DWR?
The ISO6741DWR supports a maximum data rate of 50 Mbps.
- What is the isolation rating of the ISO6741DWR?
The device has an isolation rating of up to 5000 VRMS.
- What are the operating temperature ranges for the ISO6741DWR?
The operating temperature range is from -40°C to 125°C.
- What is the typical propagation delay of the ISO6741DWR?
The typical propagation delay is 11 ns.
- Does the ISO6741DWR have any safety certifications?
Yes, it is certified by UL 1577, VDE, TUV, CSA, and CQC, and complies with various safety standards such as IEC 62368-1, IEC 61010-1, and IEC 60601-1.
- What is the package type of the ISO6741DWR?
The device is packaged in a 16-pin SOIC (DW) package.
- What are the supply voltage ranges for the ISO6741DWR?
The supply voltage ranges are 1.71 V to 1.89 V and 2.25 V to 5.5 V.
- Does the ISO6741DWR support level translation?
Yes, it supports level translation from 1.71 V to 5.5 V.
- What is the common mode transient immunity (CMTI) of the ISO6741DWR?
The CMTI is typically 150 kV/μs.
- What are some of the key applications for the ISO6741DWR?
Key applications include power supplies, grid and electricity meters, motor drives, factory automation, building automation, lighting systems, and appliances.
