AH1810-W-7 Diodes Incorporated

AH1810 HIGH SENSIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description Pin Assignments The AH1810 is a high sensitivity micropower Omnipolar Hall effect switch IC with internal pull up and pull down capability. Designed for portable and battery powered equipment such as cellular phones and portable PCs, the average supply current is only 6A at 3V. To support potable equipment the AH1810 can operate over the supply range of 2.3V to 3.6V and uses a hibernating clocking system to minimize the power consumption. The output is activated with either a North or South pole of sufficient magnetic field strength. When the magnetic flux density (B) perpendicular to the package is larger than operate point (Bop), the output will be turned on (pulled low). The output is turned off when B becomes lower than the release point (Brp). The output will remain off when there is no magnetic field. Features Applications Omnipolar Operation (North or South Pole) Cover or Display Switch in Portable PCs Open and Close Detect for Cellular Phones Supply Voltage of 2.3V to 3.6V Holster Detect for Cellular Phones and Tablet PCs High Sensitivity Digital Still and Video Cameras Micropower Operation Contact-Less Switches Chopper Stabilized Design Provides: Superior Temperature Stability Extremely Low Switch-Point Drift Enhanced Immunity to Stress No External Pull up Resistor Required Good RF Noise Immunity -40C to +85C Operating Temperature Industry Standard SC59 Package Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See AH1810 Pin Descriptions Package: SC59 Pin Pin Function Number Name 1 V Power Supply Input DD 2 GND Ground Pin 3 OUTPUT Output Pin Functional Block Diagram 2 of 7 August 2013 AH1810 Diodes Incorporated www.diodes.com Document number: DS35743 Rev. 2 - 2 NEW PRODUCT