Bipolar Latch Hall IC detects polarity change for S and N. The operation is more stable comparing to magnetic force detection (The duty on output pulse will be consistent). It is perfect fit as an interface to wheel key and track ball application.
Ideally suited for wheel keys or trackballs Micropower operation (small current consumption via intermittent operation method) Ultra-small outline package HVSOF5 Supports 1.8 V supply voltage High ESD resistance: 8kV (HBM) Applications: MFP(Multi Function Printer) Car Audio Digital Still Camera Home Audio Mobile Phone Portable Audio Digital Video Camera Smartphone / Tablet Pcs