Digital Isolators | NCID9411
概览
The NCID94xx is a galvanically isolated high−speed quad−channel digital isolator with output enable. This device supports isolated communications thereby allowing digital signals to communicate between systems without conducting ground loops or hazardous voltages. It utilizes onsemi patented galvanic off−chip capacitor isolation technology and optimized IC design to achieve high insulation and high noise immunity, characterized by high common mode rejection and power supply rejection specifications. The thick ceramic substrate yields capacitors with ~25 times the thickness of thin film on−chip capacitors and coreless transformers. The result is a combination of the electrical performance benefits that digital isolators offer with the safety reliability of a >0.5 mm insulator barrier similar to what has historically been offered by optocouplers. The device is housed in a 16−pin wide body small outline package.
- Isolated PWM Control
- Industrial Fieldbus Communications
- Microprocessor System Interface (SPI, I2C, etc.)
- Programmable Logic Control
- Isolated Data Acquisition System
- Voltage Level Translator
- Power Supply
- On Board Chargers
- Traction Inverters
- The only Digital Isolator available that includes insulation reliability that matches optocouplers
- DTI (Distance Through Insulation): ≥ 0.5 mm
- Maximum Working Insulation Voltage: 2000 Vpeak
- Specifications Guaranteed Over 2.5 V to 5.5 V Supply Voltage and−40°C to 125°C Extended Temperature Range
- No insulation material wear out over time up to 1500V, no LED degradation, consistent performance from device-to-device
- 100 KV/µs Minimum Common Mode Rejection
- Full Duplex, Bi−directional Communication
- 8 mm Creepage and Clearance Distance to Achieve Reliable HighVoltage Insulation.
- Over Temperature Detection
- Output Enable Function (Primary and Secondary Side)
- NCIV Prefix for Automotive and Other Applications RequiringUnique Site and Control Change Requirements; AEC−Q100Qualified and PPAP Capable (Pending)
- Safety and Regulatory Approvals
♦ UL1577, 5000 VRMS for 1 Minute
♦ DIN EN/IEC 60747−17 (Pending)
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