A1172 switch equivalent, micropower ultra-sensitive hall-ef fect switch.
▪ Micropower operation ▪ Operation with either north or south pole— no magnetic orientation required during assembly ▪ 1.65 to 3.5 V battery operation ▪ Chopper stabiliza.
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Functional Block Diagram
VDD
Clock / Logic Sample and Hold Dynamic Offset C.
The A1172 is an ultra-sensitive, pole-independent Hall-effect switch with a latched digital output. It features operation at low supply currents and voltages, making it ideal for batteryoperated electronics. The 1.65 to 3.5 V operating supply voltage.
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