CODING INTERNATIONAL CO LTD

AllegroMicrosystems’ A1171 ultra-sensitive, Hall-effect switch features function at low present currents and voltages, making it well suited for battery-operated gadgets. The switch delivers latched digital components and either unipolar or omnipolar actuation. Other functions include a low minimum VCC, a small package, and push-pull complementary outputs.

The 1.65-V to 3.5-V supply present range and unique clocking algorithm assist in reducing the average operating power usage. Power requirements are usually less than 15 μW with a 2.75-V supply.

Not like some traditional Hall-effect switches, Allegro’s A1171 allows the individual to configure how a device is magnetically actuated. Under go delinquent conditions the device may activate output moving over with either a north or south polarity permanent magnetic field of enough strength. Offered within a 2-mm x 1.5-mm by 0.4-mm DFN package, the particular A1171 is priced at $0.38 every in quantities of 1,000.