5-channel Monolithic Comparator For Lamp Monitoring - Analog DevicesThe AD22001 is a monolithic, five-channel Comparator circuit
for monitoring the functionality of lamps in automotive
applications.
The IC tests the series circuit leading to the lamp to determine
if the circuit is intact and a functional lamp is in the socket. The
AD22001 continuously checks the functionality of up to five
bulbs in either their on or off state, and also tests for the
presence of an in-line fuse in two of the series circuits.
Digital outputs indicate the status of each channel. Additionally,
the AD22001 provides a voltage limited power supply output to
supply 15 V CMOS circuits that may Interface to the AD22001. By Analog Devices, Inc.
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