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AH1389 Dataheets PDF



Part Number AH1389
Manufacturers Diodes
Logo Diodes
Description ULTRA SENSITIVE DUAL OUTPUT UNIPOLAR HALL-EFFECT SWITCH
Datasheet AH1389 DatasheetAH1389 Datasheet (PDF)

NEW PRODUCT Description The AH1389 is a miniature micropower magnetic Unipolar Hall effect switch IC with dual outputs specifically designed for portable and battery powered consumer equipment to home appliances and industrial applications. To support battery powered equipment and low voltage microcontrollers, the AH1389 can operate over the supply range of 1.6V to 3.6V and uses a sleep function to give an average supply current of only 4μA at 1.85V. The AH1389 has an 8kV ESD rating on the supp.

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NEW PRODUCT Description The AH1389 is a miniature micropower magnetic Unipolar Hall effect switch IC with dual outputs specifically designed for portable and battery powered consumer equipment to home appliances and industrial applications. To support battery powered equipment and low voltage microcontrollers, the AH1389 can operate over the supply range of 1.6V to 3.6V and uses a sleep function to give an average supply current of only 4μA at 1.85V. The AH1389 has an 8kV ESD rating on the supply and output pins. To minimize PCB space the AH1389 is packaged in small low profile X2-DFN1410-4. A North pole of sufficient strength will turn Output1 on and a South pole of sufficient strength will turn on Output2. The Output1 is turned on (pulled low) when the magnetic flux density (B), perpendicular to the part marking surface, falls below North field operate point BOPN (-25G typical). The Output1 is held low until B rises above the North field release point BRPN (-20G typical).Similarly, the Output2 will operate (pulled low) when B to the part marking surface rises above South field operate point BOPS (25G typical) and is held low until B falls below the South field release point BRPS (20G typical). Features  Two Monolithic Unipolar Hall Switches  Operation with a North Pole (Output1) to Part Marking Surface  Operation with a South Pole (Output2) to Part Marking Surface  Supply Voltage of 1.6V to 3.6V  Micropower Operation  Dual Outputs for Independent Pole Detection for Design Flexibility  Internal Pull up and Pull Down Capability  Chopper Stabilized Design  Superior Temperature Stability  Extremely Low Switch-Point Drift  Insensitive to Physical Stress  Good RF Noise Immunity  Operating Temperature Range -40C to +85C  8kV ESD on Supply and Output Pins  Small Low Profile X2-DFN1410-4  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3) AH1389 ULTRA SENSITIVE DUAL OUTPUT UNIPOLAR HALL EFFECT SWITCH Pin Assignments (Top View) VDD Output1(N-Pole) 14 23 GND Output2(S-Pole) X2-DFN1410-4 Applications  Smart Cover or Dock Detect for Cellular Phones and Tablet  Position Detect for Digital Still, Video Cameras and Handheld Gaming Consoles  Door, Lids and Tray Position Detect Switches Home Appliances and Industrial Applications  Level, Proximity and Position Switches  Contact-Less Switches in Home Appliances and Industrial Applications Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. AH1389 Document number: DS39033 Rev. 2 - 2 1 of 9 www.diodes.com June 2017 © Diodes Incorporated NEW P.


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