Overview
The ISO7720DR is a high-performance, dual-channel digital isolator designed by Texas Instruments. This component is engineered for high-speed operation and reliable signal isolation, making it ideal for various industrial and automotive applications. It features a robust isolation barrier, high data rates, and low power consumption, ensuring reliable and efficient signal transmission in demanding environments.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Isolation Rating | 3000 VRMS (D package), 5000 VRMS (DW and DWV packages) | Number of Channels | 2 |
| Data Rate (max) | 100 Mbps | Supply Voltage (min/max) | 2.25 V / 5.5 V |
| Operating Temperature Range | -55°C to 125°C | CMTI (min) | 85 kV/µs |
| Propagation Delay Time (typ) | 11 ns | Current Consumption per Channel (typ) at 1 Mbps | 1.7 mA |
| Package | 8-SOIC (D package) | Surge Isolation Voltage (max) | 12800 VPK |
| Clearance (min) | 4 mm, 8 mm, 8.5 mm | Creepage (min) | 4 mm, 8 mm, 8.5 mm |
Key Features
- High-speed data rate of up to 100 Mbps
- Robust isolation barrier with up to 5000 VRMS isolation rating and up to 12.8 kV surge capability
- Wide supply voltage range: 2.25 V to 5.5 V
- Low power consumption, typical 1.7 mA per channel at 1 Mbps
- Low propagation delay: 11 ns typical
- Improved signal integrity and enhanced isolation performance
- Superior noise reduction and robust electromagnetic compatibility (EMC)
- System-level ESD, EFT, and surge immunity
Applications
The ISO7720DR is commonly used in various applications, including:
- Industrial automation and motor control
- Power supply systems
- Communication systems such as RS-485, RS-232, and CAN
- Medical equipment and automotive systems
Q & A
- What is the ISO7720DR and its primary function?
The ISO7720DR is a dual-channel digital isolator designed for high-speed operation and reliable signal isolation. It provides galvanic isolation between input and output to protect against voltage transients and noise.
- What are the key specifications of the ISO7720DR?
The ISO7720DR has a 3000 VRMS or 5000 VRMS isolation rating, a data rate of up to 100 Mbps, and operates over a temperature range of -55°C to 125°C. It has a supply voltage range of 2.25 V to 5.5 V and low power consumption.
- What are the main features of the ISO7720DR?
The main features include high-speed data rates, robust isolation barrier, wide supply voltage range, low power consumption, low propagation delay, and superior noise reduction.
- In which applications is the ISO7720DR commonly used?
The ISO7720DR is used in industrial automation, motor control, power supply systems, communication systems, medical equipment, and automotive applications.
- How does the ISO7720DR ensure electromagnetic compatibility (EMC)?
The ISO7720DR ensures robust EMC through its innovative chip design and layout techniques, providing system-level ESD, EFT, and surge immunity.
- What is the typical propagation delay of the ISO7720DR?
The typical propagation delay of the ISO7720DR is 11 ns.
- What are the safety certifications for the ISO7720DR?
The ISO7720DR is certified according to DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1, and GB 4943.1 standards.
- How can I obtain datasheets or pin diagrams for the ISO7720DR?
You can obtain datasheets or pin diagrams by contacting the supplier via email or visiting the official Texas Instruments website.
- What is the return or replacement process for the ISO7720DR?
Returns or replacements are accepted within 365 days of delivery for unused products in their original packaging, after obtaining Return Authorization from the supplier.
- What are some equivalent products to the ISO7720DR?
Equivalent products include INA3221, MAX44248, and LTC4121, although these are primarily current sense amplifiers with similar features.
