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DEI1188 - 8CH GND/OPEN DISCRETE INTERFACE IC W/ EXT HV PROTECTION

Description

DEI1188 is an eight-channel discrete-to-digital interface IC implemented in an HV DIMOS technology.

It senses eight GND/OPEN discrete signals of the type commonly found in avionic systems and converts them to serial logic data.

Features

  • Eight discrete inputs o Senses GND/OPEN discrete signals. o Meet input threshold and hysteresis requirements specified per AirBus ABD0100H specification.
  • Thresholds: 4.5V/10.5V, Hysteresis: 3V o 1mA input current to prevent dry relay contacts. o Internal isolation diode. o Uses external series 3Kohm resistors on inputs to implement lightning transient immunity of 1600V and higher. i. e. : DO160E, Section 22, Levels 4 and 5. o Inputs protected from Lightning Induced Transie.

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Datasheet Details

Part number DEI1188
Manufacturer Device Engineering
File Size 341.81 KB
Description 8CH GND/OPEN DISCRETE INTERFACE IC W/ EXT HV PROTECTION
Datasheet download datasheet DEI1188 Datasheet
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Full PDF Text Transcription

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Device Engineering Incorporated 385 East Alamo Drive Chandler, AZ 85225 Phone: (480) 303-0822 Fax: (480) 303-0824 E-mail: admin@deiaz.com DEI1188 8CH GND/OPEN DISCRETE INTERFACE IC W/ EXT HV PROTECTION FEATURES • Eight discrete inputs o Senses GND/OPEN discrete signals. o Meet input threshold and hysteresis requirements specified per AirBus ABD0100H specification. ƒ Thresholds: 4.5V/10.5V, Hysteresis: 3V o 1mA input current to prevent dry relay contacts. o Internal isolation diode. o Uses external series 3Kohm resistors on inputs to implement lightning transient immunity of 1600V and higher. i.e.: DO160E, Section 22, Levels 4 and 5. o Inputs protected from Lightning Induced Transients per DO160E, Section 22, Cat A3 and B3 plus waveform 5A to 500V.
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