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DEI1188 8通道GND/OPEN 高电压保护离散接口IC
DEI1188
  • Eight discrete inputs
  • Senses GND/OPEN discrete signals.
  • Meet input threshold and hysteresis requirements specified per Airbus ABD0100H specification.
  • Thresholds: 4.5 V / 10.5 V, Hysteresis: 3V
  • 1 mA input current to prevent dry relay contacts.
  • Internal isolation diode.
  • Uses external series 3 kô_Õ resistors on inputs to implement lightning transient immunity of DO160, Section 22 Level 3, and higher levels with the addition of small TVS devices.
  • Inputs protected from Lightning Induced Transients per DO160E, Section 22, Cat A3 and B3 plus waveform 5A to 500 V.
  • Serial I/O interface to read data register
  • Direct interface to Serial Peripheral Interface (SPI) port.
  • TTL/CMOS compatible inputs and Tristate output
  • 10 MHZ Max Data Rate
  • Serial input to expand Shift Register
  • Pin compatible with DEI1066
  • Logic Supply Voltage (VCC): 3.3 V +/-5%
  • Analog Supply Voltage (VDD): 12.0 V to 16.5 V
  • 16L SOIC EP package