Overview
The ISO7821FDWWR is a high-performance, dual-channel digital isolator manufactured by Texas Instruments. Designed for applications requiring robust isolation and reliable communication, this product falls under the category of digital isolators. It is particularly suited for industrial automation, motor control, and power supply systems. The ISO7821FDWWR stands out for its high-speed data transmission, reinforced isolation, and low power consumption, making it a competitive choice for safety-critical applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Isolation Voltage | 5000 | VRMS | Reinforced isolation |
| Data Rate | 100 | Mbps | High-speed communication |
| Number of Channels | 2 | - | Dual-channel configuration |
| Supply Voltage | 2.25 to 5.5 | V | Wide operating range |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Propagation Delay | 11 | ns | Typical value |
| Package | SOIC-16 | - | Wide-body package |
| Certifications | UL, CSA, VDE, CQC | - | Complies with safety standards |
Key Features
- High-Speed Data Transmission: Supports up to 100 Mbps for efficient communication.
- Reinforced Isolation: Provides 5000 VRMS isolation for safety-critical applications.
- Low Power Consumption: Optimized for energy-efficient designs.
- Wide Supply Voltage Range: Operates from 2.25 V to 5.5 V, ensuring compatibility with various systems.
- Robust Packaging: SOIC-16 wide-body package ensures durability in harsh environments.
Applications
The ISO7821FDWWR is widely used in industries requiring reliable isolation and high-speed communication. Key applications include:
- Industrial Automation: Ensures safe and reliable signal isolation in PLCs and control systems.
- Motor Control: Provides isolation in motor drives and inverters.
- Power Supplies: Enhances safety and performance in isolated power supply designs.
- Renewable Energy Systems: Supports isolation in solar inverters and wind turbine controls.
- Medical Equipment: Ensures patient safety in medical devices requiring isolation.
Q & A
1. What is the isolation voltage of the ISO7821FDWWR?
The ISO7821FDWWR offers a reinforced isolation voltage of 5000 VRMS.
2. What is the maximum data rate supported?
It supports a high-speed data rate of up to 100 Mbps.
3. What is the operating temperature range?
The device operates within a temperature range of -40°C to 125°C.
4. What package does the ISO7821FDWWR use?
It is available in an SOIC-16 wide-body package.
5. Is the ISO7821FDWWR certified for safety standards?
Yes, it is certified by UL, CSA, VDE, and CQC.
6. What is the supply voltage range?
The supply voltage ranges from 2.25 V to 5.5 V.
7. How many channels does the ISO7821FDWWR have?
It is a dual-channel digital isolator.
8. What is the typical propagation delay?
The typical propagation delay is 11 ns.
9. Can the ISO7821FDWWR be used in medical devices?
Yes, it is suitable for medical equipment requiring isolation.
10. What are the key applications of the ISO7821FDWWR?
Key applications include industrial automation, motor control, power supplies, and renewable energy systems.
