BD1020HFV is low quiescent current (4μA) and high accuracy temperature sensor. Detecting temperature by itself, output voltage appears linearly along the temperature
High accuracy (TYP±1.0℃@Ta=30℃,TYP±2.0℃@Ta=-30 to 100℃) Low supply current (TYP4.0μA) Micro package (TYP1.60´1.60´0.60mm) Low thermal resistance package (TYP187℃ / W) Temperature sensitivity -8.2mV / ℃