A1192-F and A1193-F Two-Wire Unipolar Hall Effect Switches Datasheet Addendum Features and Benefits ▪ Factory set temperature coefficient (TC) for use with ferrite magnets ▪ Efficient input signal stabilization ▫ Switchpoints designed to ferrite performance throughout operating temperature range ▫ Low stress sensitivity ▪ On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ▫ On-board voltage regulator for 3.0 to 24 V operation ▪ Small size ▪ Resistant to physical stress ▪ Customer programmable Package: 3 pin SOT23W (suffix LH) Not to scale A1190DS-ADD1 Description This addendum adds various features and parameters to the general sales datasheet (A1190, A1192 and A1193) for these devices, to adapt the A1192 and A1193 for use with ferrite magnets. For parameters not listed in this addendum, refer to the general sales datasheet. In the event of a conflict between this addendum and the general sales datasheet, this addendum takes precedence. A1192-F and A1193-F Two-Wire Unipolar Hall Effect Switches Selection Guide Part Number Packing* Output (ICC) in South Polarity Field A1192LLHLT-F-T 7-in. reel, 3,000 pieces/reel A1192LLHLX-F-T 13-in. reel, 10,000 pieces/reel A1193LLHLT-F-T 7-in. reel, 3,000 pieces/reel A1193LLHLX-F-T 13-in. reel, 10,000 pieces/reel *Contact Allegro™ for additional packing options. Low High OPERATING CHARACTERISTICS Valid at TA = –40°C to 150°C (TJ < TJ(max); unless otherwise noted Characteristics Switchpoint and Hysteresis Temperature Drift Hysteresis2 Min. Typ. Max. Unit1 10 to 200 G – –0.25 – % / °C Symbol BHYS Test Conditions TA = –40°C – 20 – G TA = 25°C – 17 – G TA = 150°C – 12 – G 11 G (gauss) = 0.1 mT (millitesla). 2The device response times stays constant in the case of chopped V CC for applied fields of B > BOP + 5 G. A1190DS-ADD1 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 2 A1192-F and A1193-F Two-Wire Unipolar Hall Effect Switches Copyright ©2012-2013, 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. For the latest version of this document, visit our website: www.allegromicro.com A1190DS-ADD1 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 3