Overview
The ISO7762FQDWRQ1 is a high-performance, six-channel digital isolator produced by Texas Instruments. This device is part of the ISO776x-Q1 family, which is designed to provide robust electromagnetic compatibility (EMC) and high isolation ratings. It is particularly suited for automotive applications and is AEC-Q100 qualified, ensuring reliability and performance in harsh environments.
The device features a double capacitive silicon dioxide (SiO2) insulation barrier, providing up to 5000VRMS isolation rating and up to 12.8kV surge capability. It supports data rates of up to 100Mbps and operates over a wide supply range of 2.25V to 5.5V. The ISO7762FQDWRQ1 is available in 16-pin SOIC and SSOP packages, making it versatile for various design needs.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC-16, SSOP-16 |
| Pins | 16 |
| Operating Temperature Range (°C) | -40 to 125 |
| Isolation Rating (VRMS) | Up to 5000 (DW package), Up to 3000 (DBQ package) |
| Surge Capability | Up to 12.8kV |
| Common Mode Transient Immunity (CMTI) | ±100kV/µs Typical |
| Supply Voltage Range | 2.25V to 5.5V |
| Data Rate | Up to 100Mbps |
| Propagation Delay | 11ns typical at 5V |
| Power Consumption per Channel | Typical 1.4mA at 1Mbps |
Key Features
- Qualified for automotive applications and AEC-Q100 certified.
- Functional Safety-Capable with documentation available for system design.
- Robust isolation barrier with >30-year projected lifetime.
- Wide supply range: 2.25V to 5.5V and level translation.
- Default output high (ISO776x) and low (ISO776xF) options.
- Low power consumption and low propagation delay.
- Robust Electromagnetic Compatibility (EMC) with system-level ESD, EFT, and surge immunity.
- ±8kV IEC 61000-4-2 Contact discharge protection across isolation barrier.
- Safety-related certifications including UL 1577, VDE, CSA, TUV, and CQC.
Applications
The ISO7762FQDWRQ1 is designed for use in various applications that require high isolation and robust EMC performance. These include:
- Automotive systems: Suitable for use in harsh automotive environments due to its AEC-Q100 qualification.
- Industrial control systems: Helps prevent noise currents on data buses such as CAN and LIN from interfering with sensitive circuitry.
- Medical devices: Compliant with safety standards such as IEC 60601-1 and EN 61010-1.
- Consumer electronics: Enhances system reliability and safety in consumer electronic devices.
Q & A
- What is the isolation rating of the ISO7762FQDWRQ1?
The ISO7762FQDWRQ1 has an isolation rating of up to 5000VRMS for the DW package and up to 3000VRMS for the DBQ package.
- What are the operating temperature ranges for this device?
The operating temperature range is -40°C to 125°C.
- What is the data rate capability of the ISO7762FQDWRQ1?
The device supports data rates of up to 100Mbps.
- What are the package options available for this device?
The ISO7762FQDWRQ1 is available in 16-pin SOIC and SSOP packages.
- Is the ISO7762FQDWRQ1 suitable for automotive applications?
- What safety certifications does the ISO7762FQDWRQ1 have?
- What is the typical power consumption per channel at 1Mbps?
- Does the ISO7762FQDWRQ1 provide electromagnetic compatibility?
- What is the propagation delay of the ISO7762FQDWRQ1?
- How does the device handle default output if the input power or signal is lost?
