Lens driving device, and camera module and optical instrument comprising same

A camera module, comprising:

• a lens drive unit that moves a lens barrel;
• an image sensor that transforms an image incident through the lens drive unit into an electrical signal;
• a holder having the image sensor disposed thereon;
• and
• a first controller that controls the lens drive unit, the lens drive unit comprising:
• a housing;
• a bobbin disposed within the housing so as to have a lens disposed therein;
• a first coil disposed on an outer circumference of the bobbin;
• a first magnet disposed on a lateral portion of the housing so as to correspond to the first coil;
• a first position sensor disposed on the bobbin, the first position sensor including first and second input terminals and first and second output terminals;
• a circuit board including first and second terminals electrically connected to the first and second output terminals of the first position sensor;
• and
• a capacitor connected in parallel to the first and second terminals of the circuit board to eliminate noise from an output of the first position sensor.