NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
Ultrasensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
A1145 and A1146
" for the A1145EUA-T use the A1155LUA-T
" for the A1146EUA-T and the A1146LUA-T use the A1156LUA-T
" for the A1145ELHLT-T use the A1155LLHLX-T
" for the A1146ELHLT-T and the A1146LLHLT-T use the A1156LLHLX-T
Date of status change: October 31, 2011
This device is no longer in production. The device should not be
purchased for new design applications. Samples are no longer available.
Discontinued Product