Chopper-Stabilized, Precision Hall-Effect Latches
for Consumer and Industrial Applications
A3290 and
A3291
10
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
For the latest version of this document, visit our website:
www.allegromicro.com
Revision History
Number Date Description
11 November 11, 2013 Conform Description
12 January 1, 2015 Added LX option to Selection Guide
13 May15, 2015 Added new package for A3291
14 July 13, 2015 Corrected LH package Active Area Depth value
15 January 12, 2016 Updated Reverse Supply Current test conditions in Electrical Characteristics table
16 October 31, 2016 Chopper-style UA package designated as not for new design
17 September 21, 2017 Updated Power-On Time test conditions (p. 3)
Copyright ©2017, Allegro MicroSystems, LLC
Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to
permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that
the information being relied upon is current.
Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of
Allegro’s product can reasonably be expected to cause bodily harm.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
