XtremeSense™ TMR Current SensorCT4022 and CT4032with High dV/dt Immunity and Common-Mode Field RejectionRevision HistoryNumberDateDescription – March 18, 2025 Initial release 1 March 25, 2025 Changed Features and Benefits (page 1), Absolute Maximum Ratings table (page 3), Isolation tables (page 3 and 4), Pinout Diagrams (page 5) and Performance Characteristics tables (page 8 to 16). 2 March 27, 2025 Updated selection guide (page 2) Copyright 2025, Allegro MicroSystems. Allegro MicroSystems 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 assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use. Copies of this document are considered uncontrolled documents. For the latest version of this document, visit our website: www.allegromicro.com 5 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com