onsemi Digital isolators - NCID9200
High speed dual-channel, ceramic digital isolator
The NCID9200 is a galvanically isolated high speed dual-channel digital isolator. This device supports isolated communications there by allowing digital signals to communicate between systems without conducting ground loops or hazardous voltages. It utilizes ON Semiconductor patented galvanic offchip 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 onchip 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 16pin wide body small outline package.
Key features
- 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, Bidirectional communication
- 8 mm Creepage and clearance distance to achieve reliable high voltage insulation
- Over temperature detection
- Safety and regulatory approvals UL1577, 5000 VRMS for 1 Minute DIN EN/IEC 6074717 (Pending)
Applications
- Isolated PWM control
- Industrial Fieldbus communications
- Microprocessor system interface (SPI, I2C, etc.)
- Programmable logic control
- Isolated data acquisition system
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