Overview
The ISO7721DW from Texas Instruments is a high-performance, dual-channel digital isolator designed to provide robust isolation in a wide range of applications. This product belongs to the digital isolator category and is particularly suitable for environments where electrical noise, voltage spikes, and ground loops are prevalent. The ISO7721DW is engineered to meet the needs of industrial automation, automotive systems, and consumer electronics, offering reliable signal isolation with minimal power consumption. Its unique selling points include high-speed data transmission, low power dissipation, and compliance with stringent safety standards, making it a competitive choice for designers seeking dependable isolation solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 2 | - | Dual-channel design |
| Data Rate | 100 | Mbps | High-speed transmission |
| Isolation Voltage | 5000 | VRMS | Robust isolation |
| Supply Voltage | 2.25 to 5.5 | V | Wide operating range |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Propagation Delay | 11 | ns | Low latency |
| Package | SOIC-16 | - | Compact form factor |
| Certifications | UL, CSA, VDE, CQC | - | Complies with safety standards |
Key Features
- High-Speed Data Transmission: Supports data rates up to 100 Mbps, ensuring efficient communication in time-sensitive applications.
- Robust Isolation: Provides 5000 VRMS isolation, protecting sensitive electronics from high-voltage transients.
- Low Power Consumption: Operates with minimal power dissipation, making it ideal for energy-efficient designs.
- Wide Supply Voltage Range: Compatible with supply voltages from 2.25 V to 5.5 V, offering flexibility in various systems.
- Industrial-Grade Reliability: Designed to operate in harsh environments with a temperature range of -40°C to 125°C.
Applications
The ISO7721DW is widely used in industrial automation, automotive electronics, and consumer electronics. In industrial automation, it ensures reliable signal isolation in motor control systems, PLCs, and instrumentation. In automotive systems, it provides robust isolation for battery management systems, inverters, and communication interfaces. For consumer electronics, it is ideal for applications requiring high-speed data isolation, such as USB interfaces and signal conditioning circuits. Its compliance with safety standards and compact form factor make it a versatile solution for modern electronic designs.
Q & A
1. What is the maximum data rate supported by the ISO7721DW?
The ISO7721DW supports a maximum data rate of 100 Mbps.
2. What is the isolation voltage of the ISO7721DW?
The isolation voltage is 5000 VRMS.
3. What is the operating temperature range of the ISO7721DW?
The operating temperature range is -40°C to 125°C.
4. What package does the ISO7721DW come in?
The ISO7721DW is available in an SOIC-16 package.
5. Is the ISO7721DW compliant with safety standards?
Yes, it complies with UL, CSA, VDE, and CQC standards.
6. What is the supply voltage range for the ISO7721DW?
The supply voltage range is 2.25 V to 5.5 V.
7. What is the propagation delay of the ISO7721DW?
The propagation delay is 11 ns.
8. Can the ISO7721DW be used in automotive applications?
Yes, it is suitable for automotive systems such as battery management and inverters.
9. How many channels does the ISO7721DW have?
The ISO7721DW is a dual-channel digital isolator.
10. What are the key advantages of the ISO7721DW?
Key advantages include high-speed data transmission, robust isolation, low power consumption, and compliance with safety standards.
