AH1389 ULTRA SENSITIVE DUAL OUTPUT UNIPOLAR HALL EFFECT SWITCH
■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. V. The AH1389 has an 8kV ESD rating on the supply and output pin.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 B-OPN(-25G typical). The Output1 is held low until B rises above the North field release point B-RPN(-20G typical).Similarly, the Output2 will operate (pulled low) when B to the part marking surface rises above South field operate point B-OPS(25G typical) and is held low until B falls below the South field release point B-RPS(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
■1.5kV 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)
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[ 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 ][ portable and battery powered consumer equipment to home appliances ][ industrial applications ] |
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Datasheet |
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Please see the document for details |
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X2-DFN1410-4 |
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English Chinese Chinese and English Japanese |
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June 2017 |
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Rev. 2-2 |
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DS39033 |
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522 KB |
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