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Hall effect sensors combine stability, ultra low power

Hall effect sensors combine stability, ultra low power

New Products |
By Rich Pell



The 3rd generation devices will respond to either polarity of magnetic field and feature a ‘hibernating clock’ system to reduce average current consumption to 1.6µA at 3V supply. A wide operating voltage range of 1.6V to 5.5V enables the parts to be used with a variety of system voltages.

Operating and release points for the magnetic switch are tightly controlled over temperature and supply voltage thanks to its advanced stabilizing technique, delivering accurate and repeatable performance. Flux density switching points are typically ±60 Gauss (6mT) to operate and ±45 Gauss (4.5mT) to release.

The AH1911 and AH1921 come in the industry-standard three-pin SC59 package, with push-pull and open-drain outputs. Both are specified to operate over the -40°C to +85°C temperature range and have a high ESD rating of 6kV (Human Body Model).

Diodes Incorporated – www.diodes.com

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