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