Overview
The ISO6740FDWR, produced by Texas Instruments, is a high-performance, quad-channel digital isolator designed for applications requiring robust electromagnetic immunity and low emissions. This device is part of the ISO674x family, which offers functional safety capabilities and is certified by various international standards such as VDE, UL, CSA, and CQC. The ISO6740FDWR features a wide supply voltage range, level translation, and high data rates, making it suitable for a variety of cost-sensitive applications.
Key Specifications
| Parameter | Min | Typ | Max | 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 | 0 | - | 50 | Mbps |
| Isolation Voltage (VRMS) | - | - | 5000 | VRMS |
| Surge Isolation Voltage | - | - | 10000 | VPK |
| Common Mode Transient Immunity (CMTI) | 100 | 150 | - | kV/μs |
| Propagation Delay | - | 11 | - | ns |
| Supply Current (ICC1, ICC2) at 1 Mbps | 1.6 | 2.2 | 3.3 | mA |
Key Features
- Functional safety-capable with documentation available to aid in 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 voltage 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 (ISO6740) and low (ISO6740F) options.
- Wide temperature range: -40°C to 125°C.
- Low propagation delay of 11 ns typical.
- Robust electromagnetic compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- Available in a 16-pin SOIC wide-body (DW) package.
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 ISO6740FDWR?
The maximum data rate is up to 50 Mbps.
- What is the isolation voltage rating of the ISO6740FDWR?
The device has an isolation voltage rating of up to 5000 VRMS.
- What are the supply voltage ranges for the ISO6740FDWR?
The supply voltage ranges are 1.71 V to 1.89 V and 2.25 V to 5.5 V.
- What is the propagation delay of the ISO6740FDWR?
The propagation delay is typically 11 ns.
- What are the key certifications for the ISO6740FDWR?
The device is certified by VDE, UL, CSA, CQC, and complies with various IEC standards.
- What is the operating temperature range of the ISO6740FDWR?
The operating temperature range is -40°C to 125°C.
- What is the common mode transient immunity (CMTI) of the ISO6740FDWR?
The CMTI is typically 150 kV/μs.
- What package type is the ISO6740FDWR available in?
The device is available in a 16-pin SOIC wide-body (DW) package.
- What are some typical applications for the ISO6740FDWR?
Typical applications include power supplies, grid and electricity meters, motor drives, factory automation, building automation, lighting systems, and appliances.
- How does the ISO6740FDWR handle input power or signal loss?
In the event of input power or signal loss, the default output is high for devices without the 'F' suffix and low for devices with the 'F' suffix.
