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Maxim Integrated MAX12931 two channel digital isolators

The MAX12930/MAX12931 are a family of 2-channel, 3.75kV/5kVRMS digital galvanic isolators using Maxim’s proprietary process technology.

Maxim-MAX12931-product-picture

The MAX12930/MAX12931 are a family of 2-channel, 3.75kV/5kVRMS digital galvanic isolators using Maxim’s proprietary process technology. These devices transfer digital signals between circuits with different power domains while using as little as 0.65mW per channel at 1Mbps with 1.8V.The two channels of the MAX12931 transfer data in opposite directions, and this makes the MAX12931 ideal for isolating the TX and RX lines of a transceiver. The MAX12930 features two channels transferring data in the same direction.Both devices are available with a maximum data rate of either 25Mbps or 150Mbps.

 

Key features

  • Robust Galvanic Isolation of Digital Signals
  • 2 Data Rates (25Mbps/150Mbps)
  • 2 Channel Direction Configurations
  • 3.3mW per Channel at 100Mbps with VDD = 1.8V

     

Additional features

  • Robust Galvanic Isolation of Digital Signals
    • Withstands 5kVRMS for 60s (VISO) Wide-Body
    • Withstands 3.75kVRMS for 60s (VISO) Narrow-Body
    • Continuously Withstands 848VRMS (VIOWM) Wide-Body
    • Continuously Withstands 445VRMS (VIOWM) Narrow-Body
    • Withstands ±10kV Surge between GNDA and GNDB with 1.2/50μs Waveform
    • High CMTI (50kV/µs, typ)
  • Options to Support a Broad Range of Applications
    • 2 Data Rates (25Mbps/150Mbps)
    • 2 Channel Direction Configurations
    • 2 Output Default States (High or Low)
  • Low Power Consumption
    • 1.3mW per Channel at 1Mbps with VDD = 3.3V
    • 3.3mW per Channel at 100Mbps with VDD = 1.8V

 

Applications

  • Battery Management
  • Fieldbus Communications for Industrial Automation
  • General Isolation Application
  • Isolated RS232, RS-485/RS-422, CAN
  • Medical Systems

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