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High-reliability dual-channel digital isolator
The NSi8021 is a cost-effective high-reliability dual-channel digital isolator. This series of products are UL1577 qualified, and support dielectric strength of 3kVrms, featuring low power consumption, high electromagnetic immunity and low radiation. The data rate of the product is as high as 10Mbps, and the common mode transient immunity (CMTI) is as high as 100kV/us. It outputs high level by default when input is lost. The wide power supply voltage range of this series of devices supports direct connection with most digital interfaces, making it easy for level conversion. Excellent system-level EMC performance improves reliability and stability in operation.
Product Features
• Isolated withstand voltage of 3000Vrms
• Data rate: DC of up to 10Mbps
• Supply voltage: 2.5V to 5.5V
• High CMTI: 100kV/us
• Chip-level ESD: HBM: ±4kV
• Enhanced system level ESD, EFT, surge immunity
• Output high level by default
• Surge voltage: 8kV
• Low power consumption: 1.5mA/ch (1Mbps)
• Low power consumption: Propagation delay:<45ns
• Operating temperature: -40℃〜 125°C
• RoHS compliant package: SOP8
Safety Certificate
• UL1577 qualified: 3kVrms for 1 min.
• CQC qualified: Conform to GB4943.1 -2011
• CSA qualified: Components conform to 5A
• VDE qualified: DIN V VDE V 0884-11:2017-1
Application
• Industrial automation system
• Isolated SPI, RS232, RS485
• Universal Multi-Channel Isolator
• Battery management system
Functional Block Diagram
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