Overview
The ISO6740-Q1, produced by Texas Instruments, is a high-performance, quad-channel digital isolator designed for cost-sensitive applications that require up to 5000VRMS isolation ratings. This device is AEC-Q100 qualified and meets various safety and regulatory standards, including VDA320 isolation requirements and certifications from UL, VDE, TUV, CSA, and CQC. It is particularly suited for automotive and general-purpose applications where high electromagnetic immunity and low emissions are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-pin SOIC wide-body (DW) |
| Operating Temperature Range | -40°C to 125°C |
| Data Rate | 50Mbps |
| Isolation Rating | Up to 5000VRMS |
| Surge Capability | Up to 10kV |
| Common Mode Transient Immunity (CMTI) | ±150kV/µs typical |
| Supply Voltage Range | 1.71V to 1.89V and 2.25V to 5.5V |
| Level Translation | 1.71V to 5.5V |
| Default Output | High (ISO674x-Q1), Low (ISO674xF-Q1) |
| Propagation Delay | 11ns typical |
| ESD Protection | ±8kV IEC 61000-4-2 contact discharge protection |
Key Features
- Functional Safety-Capable with documentation to aid in system design
- Robust isolation barrier with high lifetime at 1500VRMS working voltage
- Wide supply range and level translation capabilities
- Low power consumption with 1.6mA per channel typical at 1Mbps
- Low propagation delay and high electromagnetic compatibility (EMC)
- System-level ESD, EFT, and surge immunity
- Enable pins for multi-controller driving applications
- Available in a 16-pin SOIC wide-body (DW) package
Applications
The ISO6740-Q1 is used in various applications, including automotive systems, industrial control systems, and medical devices. It helps prevent noise currents on data buses such as CAN and LIN from damaging sensitive circuitry. The device is also suitable for use in conjunction with isolated power supplies to enhance system reliability and safety.
Q & A
- What is the isolation rating of the ISO6740-Q1?
The ISO6740-Q1 has an isolation rating of up to 5000VRMS. - What is the operating temperature range of the ISO6740-Q1?
The operating temperature range is -40°C to 125°C. - What is the data rate of the ISO6740-Q1?
The data rate is 50Mbps. - What certifications does the ISO6740-Q1 hold?
The device is AEC-Q100 qualified and certified by UL, VDE, TUV, CSA, and CQC. - What is the typical propagation delay of the ISO6740-Q1?
The typical propagation delay is 11ns. - Does the ISO6740-Q1 have ESD protection?
Yes, it has ±8kV IEC 61000-4-2 contact discharge protection across the isolation barrier. - What is the power consumption per channel at 1Mbps?
The typical power consumption per channel at 1Mbps is 1.6mA. - Can the ISO6740-Q1 be used in multi-controller driving applications?
Yes, it has enable pins that can put the respective outputs in high impedance for multi-controller driving applications. - What package type is the ISO6740-Q1 available in?
The device is available in a 16-pin SOIC wide-body (DW) package. - Is the ISO6740-Q1 suitable for automotive applications?
Yes, it is designed for automotive and general-purpose applications requiring high isolation and EMC performance.
