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NPI Body

onsemi NCID9211 ceramic digital isolator

The NCID9211 is part of a family of galvanically digital isolators that use patented off-chip capacitor isolation technology from onsemi

The NCID9211 is part of a family of galvanically digital isolators that use patented off-chip capacitor isolation technology from onsemi. These isolators support digital communication between systems without conducting ground loops or hazardous voltages.

Their capactive ceramic substrate construction offers ~25 times the thickness of thin film on-chip capacitors and coreless transformers, resulting in electrical performance benefits traditionally offered by optocouplers but exceeding optocouplers in speed, common mode transient immunity as well as temperature and lifetime performance.

Key features

Digital Isolator Matching Insulation Reliability of Optocouplers (DTI ≥ 0.5 mm)
High Speed, No Insulation Material Wear Over Time and No Degradation
8 mm Clearance and Creepage, SO16 Wide Body Package
Safety and Regulatory Approvals, AEC−Q100 Qualified

Additional features

Digital Isolator matching insulation reliability of optocouplers
Full Duplex, Bi−directional communication
DTI (Distance Through Insulation): ≥ 0.5 mm
8 mm creepage and clearance distance to achieve reliable HV insulation.
SO16 wide body package
Maximum working insulation voltage: 2000 V peak
Minimum common-mode rejection: 100 kV/µs
High Speed:
- Data rate (NRZ): 50 Mbps
- Propagation delay: 25 ns max.
- Pulse width distortion: 10 ns max.
Specifications guaranteed over 2.5 to 5.5 V supply voltage and −40 to +125 °C extended temperature range
No insulation material wear out over time, no degradation, consistent device-to-device performance
Overtemperature detection
Output Enable function
Safety and regulatory approvals (Pending)
AEC−Q100 qualified: NCIV9211 (Pending)