Overview
The ISO7420FED from Texas Instruments is a high-performance, dual-channel digital isolator designed for applications requiring robust isolation and reliable signal integrity. This product falls under the category of isolators and is particularly suited for industrial automation, automotive electronics, and medical devices. Its market positioning targets engineers and designers who need high-speed, low-power isolation solutions with enhanced noise immunity. The ISO7420FED stands out for its high data rate, low propagation delay, and compliance with stringent safety standards, making it a competitive choice in the isolator market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 2 | - | Dual-channel configuration |
| Data Rate | 100 | Mbps | High-speed communication |
| Propagation Delay | 11 | ns | Typical value |
| Isolation Voltage | 2500 | VRMS | Enhanced safety |
| Supply Voltage | 3.3 / 5 | V | Dual supply options |
| Operating Temperature | -40 to 125 | °C | Wide temperature range |
| Package | SOIC-8 | - | Compact form factor |
| Certifications | UL, CSA, VDE | - | Compliance with safety standards |
Key Features
- High-speed data transmission: Supports data rates up to 100 Mbps, ensuring efficient communication in demanding applications.
- Low propagation delay: Minimizes signal latency, enhancing system responsiveness.
- Robust isolation: Provides 2500 VRMS isolation, ensuring safety and reliability in high-voltage environments.
- Wide operating temperature range: Functions reliably in extreme temperatures, from -40°C to 125°C.
- Compact package: SOIC-8 package enables space-saving designs in compact systems.
Applications
The ISO7420FED is widely used in various industries due to its robust performance and safety features. In industrial automation, it ensures reliable signal isolation in motor control and PLC systems. In automotive electronics, it supports high-speed communication in battery management and EV charging systems. Additionally, it is employed in medical devices for patient monitoring and diagnostic equipment, where safety and signal integrity are critical. Its versatility and compliance with safety standards make it a preferred choice for engineers across multiple sectors.
Q & A
1. What is the maximum data rate supported by the ISO7420FED?
The ISO7420FED supports a maximum data rate of 100 Mbps.
2. What is the isolation voltage rating of this isolator?
The isolation voltage rating is 2500 VRMS.
3. Can the ISO7420FED operate in extreme temperatures?
Yes, it operates reliably in temperatures ranging from -40°C to 125°C.
4. What package does the ISO7420FED come in?
It is available in an SOIC-8 package.
5. Is the ISO7420FED compliant with safety standards?
Yes, it complies with UL, CSA, and VDE safety standards.
6. What is the typical propagation delay of the ISO7420FED?
The typical propagation delay is 11 ns.
7. Can the ISO7420FED be used in automotive applications?
Yes, it is suitable for automotive electronics, including EV charging systems.
8. Does the ISO7420FED support dual supply voltages?
Yes, it supports both 3.3 V and 5 V supply voltages.
9. What are the key applications of the ISO7420FED?
Key applications include industrial automation, automotive electronics, and medical devices.
10. How many channels does the ISO7420FED have?
It features a dual-channel configuration.
