AH189x, AH1812, and AH3360 Hall Switches

Diodes introduces six high-performance Hall-Effect sensor switches

Image of Diodes Incorporated's AH189x, AH1812, and AH3360 Hall SwitchesDiodes Incorporated introduces six high-performance Hall-Effect sensor switches, designed to save power in position and proximity detection roles in a variety of consumer, home appliance, and industrial equipment. Optimized for a supply voltage range from 1.6 V to 3.6 V and using a hibernating clocking system to minimize power consumption, the switches’ average supply current is typically 4.3 μA at 1.8 V. The micropower Hall-Effect product introduction comprises the medium-sensitivity AH1895 and high-sensitivity AH1893, AH1897, and AH1812 omnipolar switches. Also included are the programmable high-sensitivity AH1894 omnipolar switch and the AH3360, a high-sensitivity unipolar (south pole) switch. These simple devices are offered in space-saving and low-profile X1-DFN1216-4 (1.2 mm x 1.6 mm x 0.5 mm) and leaded SOT553 (1.6 mm x 1.6 mm x 0.5 mm) packages.

All devices, with the exception of the AH1812, include an internal push-pull output structure, which enables a reduction in external component count and a simplification of PCB layouts. The AH1812 provides an open-drain output option for added flexibility in system pull-up. A chopper-stabilized design means these highly-integrated devices offer improved temperature stability, immunity to stress effects, and minimal drift across their operating temperature range of -40ºC to 85ºC. Protection against ESD is also high at 8 kV, helping to improve product robustness and simplifying handling during manufacture. Providing additional design flexibility, the programmable-variant AH1894 enables users to select between one of two magnetic sensitivity ranges using a band-select pin, allowing the one device to accommodate different strengths of magnets located at different distances from the Hall sensor. Band-selection can either be hardwired or programmed electronically using an external logic source such as a microcontroller.

Features
  • Omnipolar operation (north or south pole)
  • Supply voltage of 1.6 V to 3.6 V
  • Micropower operation
  • Chopper-stabilized design provides superior temperature stability
  • Enhanced immunity to physical stress
  • Good RF noise immunity
  • -40°C to 85°C operating temperature
  • Totally lead-free and RoHS compliant
  • Halogen- and antimony-free. "Green" device
Applications    
  • Open and close detect for cellular phones
  • Cover or display switch in portable PCs
  • Holster or cover detect for cellular phones and tablet
 
  • Contact-less switches in home appliances and industrial applications
  • Digital still, video cameras,and handheld gaming consoles
AH189x AH1812 and AH3360 Hall Switches
ImageManufacturer Part NumberDescriptionSensing RangeTypeAvailable QuantityBuy Now
IC HALL SENSR OMNIPLOR SW SOT553AH1893-Z-7IC HALL SENSR OMNIPLOR SW SOT553±30G Trip, ±20G ReleaseOmnipolar Switch3136 - Immediate
9000 - Factory Stock
IC HALL SENSR OMNIPLOR SW SOT553AH1895-Z-7IC HALL SENSR OMNIPLOR SW SOT553±60G Trip, ±50G ReleaseOmnipolar Switch3564 - Immediate
9000 - Factory Stock
IC HALL SENSR UNIPLOR SW SOT553AH3360-Z-7IC HALL SENSR UNIPLOR SW SOT55330G Trip, 20G ReleaseUnipolar Switch2910 - Immediate
27000 - Factory Stock
IC HALL SENSR OMNIPLOR SW 4DFNAH1812-FA-7IC HALL SENSR OMNIPLOR SW 4DFN±42G Trip, ±35G ReleaseOmnipolar Switch7320 - Immediate
33000 - Factory Stock
IC HALL SENSR OMNIPLOR SW 4DFNAH1893-FA-7IC HALL SENSR OMNIPLOR SW 4DFN±30G Trip, ±20G ReleaseOmnipolar Switch2622 - Immediate
69000 - Factory Stock
IC HALL SENSR OMNIPLOR SW 4DFNAH1895-FA-7IC HALL SENSR OMNIPLOR SW 4DFN±60G Trip, ±50G ReleaseOmnipolar Switch2945 - Immediate
24000 - Factory Stock
IC HALL SENSR UNIPLOR SW 4DFNAH3360-FA-7IC HALL SENSR UNIPLOR SW 4DFN30G Trip, 20G ReleaseUnipolar Switch2774 - Immediate
21000 - Factory Stock
IC HALL SENSR UNIPLOR SW 6DFNAH3360-FT4-7IC HALL SENSR UNIPLOR SW 6DFN30G Trip, 20G ReleaseUnipolar Switch2994 - Immediate
IC HALL SWITCH OMNIPO DFN1216-4AH1894-FA-7IC HALL SWITCH OMNIPO DFN1216-4±30G Trip, ±20G ReleaseOmnipolar Switch2925 - Immediate
30000 - Factory Stock
IC HALL SWITCH OMNIPO SOT553AH1894-Z-7IC HALL SWITCH OMNIPO SOT553±30G Trip, ±20G ReleaseOmnipolar Switch2890 - Immediate
30000 - Factory Stock
IC HALL SENSR OMNIPLOR SW 4DFNAH1897-FA-7IC HALL SENSR OMNIPLOR SW 4DFN±30G Trip, ±20G ReleaseOmnipolar Switch2955 - Immediate
36000 - Factory Stock
Published: 2014-01-29