Switches and Latches
Micropower Ultrasensitive Hall-Effect Switch with Configurable Magnetic Actuation
A1171
The A1171 is an ultrasensitive Hall-effect switch ideal for battery-powered applications, with low power consumption, configurable magnetic actuation (unipolar, omnipolar), and push-pull outputs for simplified design.
Product Details
Product Details
Top Features
- 1.65 to 3.5 V battery operation
- Low supply current
- High sensitivity, BOP typically 30 G (3.0 mT)
- Operation with either north or south pole
- Configurable unipolar or omnipolar magnetic sensing
- Complementary, push-pull outputs
- Chopper stabilized
- Superior temperature stability
- Extremely low switchpoint drift
- Insensitive to physical stress
- Solid state reliability
- Small size
Target Application
Part Number Specifications and Availability
Design Tools
Technical Documentation

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