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