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A3212LUA-T

Micropower, Ultra-sensitive Hall-ef fect Switches
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Description

Description
The A 3211 and A3212 integrated circuits are ultra-sensitive, pole in de pen dent Hall-effect switches with latched digital output. These sensors are es pe cial ly suited for operation in battery-operated, hand-held equip ment such as cellular and cordless tele phones, pagers, and palmtop com put ers. A 2.5 volt to 3.5 volt operation and a unique clocking scheme reduce the average op er at ing power requirements to less than 15 μW with a 2.75 volt supply.

Features and Benefits
▪ Micropower operation
▪ Operation with north or south pole
▪ 2.5 to 3.5 V battery operation
▪ Chopper stabilized
  ▫ Superior temperature stability
  ▫ Extremely low switchpoint drift
  ▫ Insensitive to physical stress
▪ High ESD protection
▪ Sol id-state  reliability
▪ Small size
▪ Easily manufacturable with magnet pole independence

 

Features

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