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High-reliability two-channel bi-directional I2C digital isolator
The NSi8100x series is a high-reliability bi-directional l2C digital isolator. It provides a variety of UL1577-qualified electrical isolated withstand voltages (3.75kVRms, 5kVrms), with high electromagnetic immunity and low radiation. It supports I2C clock at a frequency up to 2MHZ, with the common mode transient immunity (CMTI) of up to 150kV/μs. The wide power supply range allows them to be directly connected to digital interfaces such as most of the MCUs, and can easily provide bidirectional level conversion. Its excellent system-level electromagnetic compatibility (EMC) performance enhances its reliability and stability.
Product Features
• Isolated voltage up to 3750/5000Vrms
• I2C clock rate: Up to 2MHz
• Wide power supply range: 2.5V to 5.5V
• High common mode transient immunity (CMTI): ±150kV/μs
• High system level EMC performance: System level electrostatic discharge (ESD), burst immunity (EFT), surge protection
• Chip-level ESD performance: HBM: ±6kV
• Isolated grid life: >60 years
• Ultra-low power consumption: 1.5mA/ channel (1Mbps)
• Low transmission delay: <15ns
• Wide operation temperature range: -40°C to 125°C
• RoHS compliant package: SOP8, SOW16
Safety Certificate
• UL1577 qualified: 3.75kVrms/ 5kVrms for 1 min.
• CQC qualified: Conform to GB4943.1 -2011
• CSA qualified: Conform to IEC60950-1
• VDE qualified: DIN V VDE V 0884-10:2006-12
Application
• Industrial automation system
• Isolated CAN bus
• Communication
Functional Block Diagram
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