Diodes Incorporated AH1911/AH1921 Omnipolar Hall Effect Switches
Diodes Inc. AH1911/AH1921 Omnipolar Hall-Effect Switches include a hibernating clocking system that allows for an average supply current of 1.6μA at 3V. The average supply current makes it compatible with battery-powered consumer products, gas or water meter, smoke detectors and IoT devices. The wider range of supply voltage (1.6V to 5.5V) extends battery operating time and supports low-voltage-system microcontrollers, which provides flexibility for system design.
Features
Omnipolar operation (North or South Pole)Supply voltage of 1.6V to 5.5VMicropower operationChopper stabilized design provides:Superior temperature stabilityMinimal switch point driftEnhanced immunity to physical stress
Applications
Smart cover or dock detect for cellular phones and tablet PCsGas or water consumption measurement in remote, battery-operated utility meters
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