MT72038 Просмотр технического описания (PDF) - Aeroflex Corporation

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MT72038

FOUR CHANNEL ARINC 429 LINE RECEIVER

Aeroflex Corporation 

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 for

luS or 100V continuous at the 43K to ARINC interface.

The package operates from a single 5V supply taking typically a total of 10mA over the full MIL

temperature range.

RECOMMENDED CIRCUIT

VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS

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