Features
 Bipolar Latch (South Pole: On, North Pole: Off)
 3.0V to 27V Operating Voltage Range
 High Sensitivity: BOP and BRP of ±25G Typical
 Resistant to Physical Stress
 Single, Open-Drain Output AH3712Q or Internal Pull-Up
AH3712AQ (*Future New Product)
 Output with Overcurrent Limit
 Chopper-Stabilized Design Provides
 Superior Temperature Stability
 Minimal Switch-Point Drift
 Enhanced Immunity to Stress
 Good RF Noise Immunity
 Reverse-Blocking Diode and Zener Clamp on Supply
 -40C to +150°C Operating Temperature
 ESD HBM: 8kV, CDM: 1kV
 Industry-Standard SC59, SOT23, SIP-3, and
U-DFN2020-6/SWP Packages
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)
 The AH3712Q is suitable for automotive applications
requiring specific change control; this part is AEC-Q100
qualified, PPAP capable, and manufactured in IATF16949
certified facilities.

Applications
 Brushless DC motor commutation
 Revolution per minute (RPM) measurement
 Flow meters
 Angular and linear encoder and position sensors
 Contactless commutation, speed measurement, and angular
position sensing/indexing in automotive applications