Overview
The ISO7720FQDRQ1 is a high-speed, robust EMC, reinforced dual-channel digital isolator produced by Texas Instruments. This device is part of the ISO772x-Q1 family, designed to provide reliable and high-performance isolation for digital signals. It is particularly suited for automotive and industrial applications where electromagnetic compatibility and signal integrity are critical.
The device features a double capacitive silicon dioxide (SiO2) insulation barrier, ensuring high isolation voltage and robustness against electromagnetic interference. It is compatible with CMOS or LVCMOS digital I/Os and can be used in conjunction with isolated power supplies to prevent noise currents from damaging sensitive circuitry.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC1, VCC2 Supply Voltage | -0.5 to 6 | V |
| Voltage at INx, OUTx | -0.5 to VCCX + 0.5 | V |
| IO Output Current | -15 to 15 | mA |
| TJ Junction Temperature | -40 to 150 | °C |
| Tstg Storage Temperature | -65 to 150 | °C |
| External Clearance (DW, DWV) | 8, 8.5 mm | mm |
| External Creepage (DW, DWV) | 8, 8.5 mm | mm |
| Distance Through the Insulation | 17 µm | µm |
| Comparative Tracking Index (CTI) | >600 V | V |
Key Features
- High-Speed Operation: Supports high-speed digital signal transmission.
- Robust EMC Performance: Enhanced electromagnetic compatibility to ease system-level ESD, EFT, surge, and emissions compliance.
- Reinforced Isolation: Double capacitive silicon dioxide (SiO2) insulation barrier for high isolation voltage.
- Compatibility with CMOS or LVCMOS I/Os: Suitable for a wide range of digital I/O interfaces.
- Default Output States: Default output is high for devices without suffix F and low for devices with suffix F in case of input power or signal loss.
- Automotive Grade: AEC-Q100 qualified, making it suitable for automotive applications.
Applications
- Automotive Systems: Used in various automotive applications requiring high reliability and robustness against electromagnetic interference.
- Industrial Control Systems: Suitable for industrial control systems where signal integrity and noise immunity are critical.
- Medical Devices: Can be used in medical devices that require high isolation and reliability.
- Communication Systems: Applicable in communication systems such as CAN and LIN buses to prevent noise currents from damaging sensitive circuitry.
Q & A
- What is the primary function of the ISO7720FQDRQ1?
The ISO7720FQDRQ1 is a dual-channel digital isolator designed to provide high-speed and robust isolation for digital signals.
- What type of insulation does the ISO7720FQDRQ1 use?
The device uses a double capacitive silicon dioxide (SiO2) insulation barrier.
- What are the default output states of the ISO7720FQDRQ1?
The default output is high for devices without suffix F and low for devices with suffix F in case of input power or signal loss.
- What are the key applications of the ISO7720FQDRQ1?
It is used in automotive systems, industrial control systems, medical devices, and communication systems such as CAN and LIN buses.
- What is the maximum junction temperature for the ISO7720FQDRQ1?
The maximum junction temperature is 150°C.
- What is the comparative tracking index (CTI) of the ISO7720FQDRQ1?
The CTI is greater than 600 V.
- Is the ISO7720FQDRQ1 AEC-Q100 qualified?
Yes, the ISO7720FQDRQ1 is AEC-Q100 qualified, making it suitable for automotive applications.
- What are the available package types for the ISO7720FQDRQ1?
The device is available in 16-pin SOIC wide-body (DW), 8-pin SOIC wide-body (DWV), and other configurations.
- How does the ISO7720FQDRQ1 enhance electromagnetic compatibility?
The device enhances electromagnetic compatibility through innovative chip design and layout techniques, easing system-level ESD, EFT, surge, and emissions compliance.
- What is the maximum storage temperature for the ISO7720FQDRQ1?
The maximum storage temperature is 150°C.
