Overview
The ISO7320FCDR is a dual-channel digital isolator produced by Texas Instruments, designed to provide robust isolation for data communication in high-noise environments. This component is part of TI's ISO732x family, which is renowned for its reliability and performance in industrial, automotive, and communication applications. The ISO7320FCDR offers two unidirectional isolation channels, ensuring safe and accurate signal transmission across isolated barriers. Its compliance with UL and VDE standards, along with its integrated noise filtering and low power consumption, makes it a competitive choice for applications requiring high isolation and electromagnetic compatibility (EMC).
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Isolation Voltage (UL) | 3000 | VRMS | 1 minute duration |
| Isolation Voltage (VDE) | 4242 | VPK | Compliant with DIN V VDE V 0884-10 |
| Channels | 2 | Unidirectional | |
| Input/Output Buffer | SiO2 Insulation Barrier | High reliability | |
| Default Output (F suffix) | Low | On input power or signal loss | |
| Operating Voltage | 3 to 5.5 | V | TTL input thresholds |
| Propagation Delay | 33 | ns | Typical at 5V |
| Transient Immunity | 65 | kV/µs | Typical at 5V |
| EMC Performance | Enhanced | System-level ESD, EFT, and surge protection | |
| Package | SOIC-8 | Narrow body |
Key Features
- Dual-channel isolation for robust data communication.
- Compliance with UL 1577 and VDE standards for high isolation safety.
- Integrated noise filtering for reliable operation in noisy environments.
- Low power consumption, ideal for energy-efficient designs.
- Enhanced EMC performance for system-level protection against ESD, EFT, and surges.
- Wide operating voltage range (3V to 5.5V) for versatile applications.
Applications
The ISO7320FCDR is widely used in applications requiring high isolation and noise immunity, such as industrial automation, motor control, and power supply systems. Its robust design ensures reliable performance in automotive electronics, particularly in electric vehicle (EV) systems and battery management. Additionally, it is suitable for communication systems, where it prevents noise interference in data buses and protects sensitive circuits.
Q & A
1. What is the isolation voltage of the ISO7320FCDR?
The ISO7320FCDR provides 3000 VRMS isolation for 1 minute (UL standard) and 4242 VPK isolation (VDE standard).
2. How many channels does the ISO7320FCDR have?
It features two unidirectional isolation channels.
3. What is the default output in case of input power loss?
The default output is low for devices with the "F" suffix.
4. What is the operating voltage range of the ISO7320FCDR?
It operates from 3V to 5.5V.
5. What is the propagation delay of the ISO7320FCDR?
The typical propagation delay is 33 ns at 5V.
6. Does the ISO7320FCDR support EMC protection?
Yes, it offers enhanced EMC performance with system-level ESD, EFT, and surge protection.
7. What package does the ISO7320FCDR come in?
It is available in an SOIC-8 narrow-body package.
8. Is the ISO7320FCDR suitable for automotive applications?
Yes, its robust design makes it ideal for automotive electronics, including EV systems.
9. What is the transient immunity of the ISO7320FCDR?
It has a transient immunity of 65 kV/µs (typical at 5V).
10. Can the ISO7320FCDR be used in industrial automation?
Yes, it is well-suited for industrial automation, motor control, and power supply systems.
