AH1912-W-7

AH1912-W-7 is an ultra-low-power digital omnipolar hall effect switch IC. The wider range of supply voltage (1.6V to 5.5V) extends battery operating time and supports low-voltage system microcontrollers, which provides great flexibility for system design. The advanced chopper stabilized design provides superior stability on the switch operating point over temperature and supply voltage. When the magnetic flux density (B) perpendicular to the package is larger than operate point (BOP), the output will be turned on (pulled low) and held until B is lower than the release point (BRP). Applications include smart cover or dock detect for cellular phones and tablet PCs, gas or water consumption measurement in remote, battery-operated utility meters, medical devices, IoT systems, level, proximity and position switches, E-locks, smoke detectors, and appliances.

• Omnipolar operation (north or south pole)
• Micropower operation
• Chopper stabilized design provides: superior temperature stability
• Minimal switch point drift, enhanced immunity to physical stress
• No external pull-up resistors required, good RF noise immunity
• High ESD capability of 6kV (human body model)
• Supply current is 1mA typ at TA = +25°C, VDD = 3V
• Average supply current is 1.6µA typ at TA = +25°C, VDD = 3V
• SC59 package
• Operating temperature range from -40 to +85°C

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.