Features
 Bipolar Latch
 AH3712/AH3712A: South Pole On, North Pole Off
 AH3712B: South Pole Off, North Pole On
 3.0V to 27V Operating Voltage Range
 High Sensitivity: BOP and BRP of ±25G Typical
 Resistant to physical stress
 Single Open-Drain (AH3712, AH3712B) or
Internal Pull-Up Resistor (AH3712A)
 Output Polarity:
 Direct: AH3712, AH3712A
 Inverted: AH3712B (*Future product)
 Output with Overcurrent Limit
 Chopper-Stabilized Design Provides
 Superior Temperature Stability
 Minimal Switch-Point Drift
 Enhanced Immunity to Stress
 Good RF Noise Immunity
 -40C to +125°C Operating Temperature
 ESD HBM: 8kV, CDM: 1kV
 Industry-Standard SC59, SOT23 and SIP-3 Packages
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)
 An automotive-compliant part is available under separate
datasheet DIODES™ (AH3712Q)

Applications
 Brushless DC motor commutation
 Revolutions per minute (RPM) measurements
 Flow meters
 Angular and linear encoders and position sensors
 Contactless commutation, speed measurements, and angular
position sensing/indexing in consumer home appliances, office
equipment, and industrial applications