Product Overview
The ISO7720DR is a dual-channel reinforced digital isolator from Texas Instruments with 5000VRMS isolation, 100Mbps data rate, and >100kV/µs CMTI in an SOIC-8 package.
Key Specifications
| Number of Channels | 2 |
| Channel Direction | Both same direction (ISO7720) |
| Isolation Rating | 5000 VRMS (reinforced), 8000 Vpeak transient |
| Data Rate | 0 to 100Mbps (NRZ) |
| Propagation Delay | 10.5ns typical |
| Pulse Width Distortion | 2ns typical |
| CMTI | >100kV/µs |
| Supply Voltage | 2.25V to 5.5V per side |
| Supply Current (per channel) | 1.5mA typical at 5V, 1Mbps |
| Operating Temperature | -40°C to +125°C |
| Safety Ratings | UL 1577, CSA, IEC 60747-17, VDE |
| Package | SOIC-8 (wide body, 7.5mm) |
Features
- Reinforced isolation: 5000VRMS for 1 minute
- High CMTI: >100kV/µs for noise immunity
- 100Mbps data rate supports high-speed interfaces
- Low propagation delay: 10.5ns typical
- Dual supply: 2.25V to 5.5V on each side independently
- Level translation across isolation barrier
- Robust EMC performance for industrial environments
- Default output state: low when input power is lost
Applications
- Industrial automation and PLC isolation
- SPI and UART communication isolation
- Motor drive gate driver isolation
- Medical equipment galvanic isolation
- Power supply feedback loop isolation