MT72038 - Aeroflex Circuit Technology

MT72038 FOUR CHANNEL ARINC 429 LINE RECEIVER

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.

Features

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 s.