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MT72038

Aeroflex Circuit Technology
Part Number MT72038
Manufacturer Aeroflex Circuit Technology
Description FOUR CHANNEL ARINC 429 LINE RECEIVER
Published Nov 14, 2005
Detailed Description MT72038 FOUR CHANNEL ARINC 429 LINE RECEIVER • Converts received ARINC 429 data levels to 2 line CMOS compatible levels...
Datasheet PDF File MT72038 PDF File

MT72038
MT72038

Overview
MT72038 FOUR CHANNEL ARINC 429 LINE RECEIVER • Converts received ARINC 429 data levels to 2 line CMOS compatible levels • Adjustable threshold using 1 resistor • Single 5V supply with low power consumption < 50mW • Full MIL operating range • Reduces system package count.
• Can be used as ARINC 429, 561, 568, 575, or Tacan interface VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS 1 MT72038 MAXIMUM RATINGS (Above which the useful life may be impaired) Storage Temperature Temperature (Ambient) under Bias Supply Voltage VDD DC Input Voltage Output Current (Single O/P) Output Current (Total O/P) ELECTRICAL CHARACTERISTICS over operating range PARAMETER IOH IOL VIH VIL CI CI/O IDD DESCRIPTION Output High Current Output Low Current Input High Voltage Input Low Voltage Input Capacitance I/O Capacitance Supply Current - 65ºC to +150ºC - 55ºC to +125ºC -0.
3V to + 7V -0.
3 to VDD +0.
3V 10mA 20mA TEST CONDITIONS VOH=2.
8V VDD= 4.
5V VOL=0.
4V NOTE 1 NOTE 1 Test Frequency = 1.
0 MHZ VDD = MAX.
All inputs LOW, All outputs open.
MIN 80 1 -6.
5 -2.
5 TYP MAX UNITS mA mA Volts Volts pF pF mA 2 7 10 VCC 0.
8 40 40 2.
6 NOTE 1 Voltage applied to inputs of recommended circuit.
APPLICATION NOTE The circuit below may be used to interface with a single channel of ARINC 561/568.
VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS 2 MT72038 This device together with associated resistors meets the I/P requirements of ARINC 429 specification for 4 independent channels of input.
It consists of 4 pairs of Norton type CMOS comparators with a common current mirror threshold circuit set by a single external resistor.
Each pair of comparators requires a 15K resistor across the ARINC I/P and 43K between each ARINC single line and the low impedance inputs.
High common mode rejection is achieved so that if one input wire is removed from the Receiver Circuit, there is no output signal.
Internal clamping diodes are present providing full protection from external transients of > 600V...


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