Overview
The ISO7821DWR is a high-performance digital isolator manufactured by Texas Instruments. This product is designed to provide robust isolation for digital signals in industrial, automotive, and communication applications. It features a dual-channel configuration with reinforced isolation, ensuring reliable data transmission and enhanced safety in harsh environments. The ISO7821DWR is particularly suited for applications requiring high-speed communication, low power consumption, and compliance with stringent safety standards. Its market positioning targets engineers and designers working on systems that demand high reliability and isolation performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 2 | - | Dual-channel configuration |
| Isolation Voltage | 5000 | VRMS | Reinforced isolation |
| Data Rate | 100 | Mbps | High-speed communication |
| Supply Voltage | 2.25 to 5.5 | V | Wide operating range |
| Propagation Delay | 11 | ns | Typical value |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Package | SOIC-16 | - | Wide-body package |
| Certifications | UL, CSA, VDE, CQC | - | Compliance with safety standards |
Key Features
- Reinforced Isolation: Provides up to 5000 VRMS isolation for enhanced safety.
- High-Speed Communication: Supports data rates up to 100 Mbps for efficient signal transmission.
- Low Power Consumption: Optimized for energy-efficient designs.
- Wide Operating Voltage: Operates from 2.25 V to 5.5 V, offering flexibility in various applications.
- Industrial-Grade Reliability: Designed to operate in harsh environments with a temperature range of -40°C to 125°C.
Applications
The ISO7821DWR is widely used in applications requiring robust isolation and high-speed communication. Key application areas include:
- Industrial Automation: Isolation for PLCs, motor drives, and control systems.
- Automotive Electronics: Signal isolation in electric vehicles and automotive control units.
- Communication Systems: Isolation in data acquisition and transmission systems.
- Medical Equipment: Isolation for patient safety in medical devices.
- Renewable Energy: Isolation in solar inverters and power management systems.
Q & A
1. What is the isolation voltage of the ISO7821DWR?
The ISO7821DWR provides reinforced isolation with a voltage rating of 5000 VRMS.
2. What is the maximum data rate supported?
It supports a maximum data rate of 100 Mbps.
3. What is the operating voltage range?
The operating voltage range is from 2.25 V to 5.5 V.
4. Is the ISO7821DWR suitable for automotive applications?
Yes, it is designed for use in automotive electronics, including electric vehicles and control units.
5. What certifications does the ISO7821DWR have?
It is certified by UL, CSA, VDE, and CQC, ensuring compliance with safety standards.
6. What is the propagation delay?
The typical propagation delay is 11 ns.
7. What package does the ISO7821DWR come in?
It is available in a SOIC-16 wide-body package.
8. Can it operate in harsh environments?
Yes, it is industrial-grade and operates in temperatures ranging from -40°C to 125°C.
9. Is the ISO7821DWR suitable for medical devices?
Yes, it is ideal for medical equipment requiring patient safety isolation.
10. What are the key features of the ISO7821DWR?
Key features include reinforced isolation, high-speed communication, low power consumption, and wide operating voltage.
