Imaging apparatus and electronic apparatus for controlling a position of a lens

An imaging apparatus comprising:

• a first lens that collects subject light;
• an image sensor that photoelectrically converts the subject light from the first lens;
• a circuit substrate including a circuit that outputs a signal from the image sensor to an outside, wherein the circuit substrate includes a plurality of layers;
• an actuator that drives the first lens with a pulse width modulation (PWM) waveform;
• and
• a detection unit that detects a magnetic field generated by a first coil included in the actuator, wherein the detection unit is formed on the circuit substrate, wherein the detection unit includes a second coil, and wherein the second coil is formed across the plurality of layers of the circuit substrate such that a start point of the second coil is on one layer of the plurality of layers and an end point of the second coil is on a different layer of the plurality of layers.