ISO7021 Description
The ISO7021 device is an ultra-low power, multichannel digital isolator that can be used to isolate CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a double capacitive silicon dioxide (SiO2) insulation barrier. Innovative edge based architecture bined with an ON-OFF keying modulation scheme allows these isolators to consume very-low power while meeting 3000-VRMS...
ISO7021 Key Features
- Ultra-low power consumption
- 4.8 μA per channel quiescent current (3.3 V)
- 15 μA per channel at 100 kbps (3.3 V)
- 120 μA per channel at 1 Mbps (3.3 V)
- Robust isolation barrier
- >100-year projected lifetime
- 3000 VRMS isolation rating
- ±100 kV/μs typical CMTI
- Wide supply range: 1.71 V to 1.89 V and 2.25 V to 5.5 V
- Wide temperature range: -55°C to +125°C
ISO7021 Applications
- 4-mA to 20-mA loop powered field transmitters